24-67 remote base controller version 1idaco.com/manuals/24-67/24-67_manual_101.pdf · the 24-67...

24-67

Remote Base Controller

Version 1.01

Printings:

Version 1.00: 11/13/2012 Version 1.01: 01/04/2019

TABLE OF CONTENTS

SPECIFICATIONS ........................................................................................................................ 1

1.0 GENERAL DESCRIPTION .................................................................................................... 2 1.1 Description ................................................................................................................. 2 1.2 Capabilities and Features .......................................................................................... 2

2.0 INSTALLATION ..................................................................................................................... 3 2.1 Line Connection ......................................................................................................... 3 2.2 Proper Grounding Practices ....................................................................................... 3 2.3 Switch Settings ........................................................................................................... 3 2.4 Remote Control Applications ...................................................................................... 4

3.0 ADJUSTMENT PROCEDURES .......................................................................................... 10 3.1 Microphone To Line Level ........................................................................................ 10 3.2 Desk Microphone Output Sensitivity ........................................................................ 10 3.3 Internal Microphone Level ........................................................................................ 10 3.4 R28 and R39 - 2175 Hz Notch Filter Adjust ............................................................. 11 3.5 Tone Encode Level .................................................................................................. 11 3.6 MSK Encode Level (MSK Control Option is not available at this time) .................... 11 3.7 DTMF Encode Level (DTMF is not available with product Rev.C and newer units) . 11 3.8 Receive Line Compensation .................................................................................... 11 3.9 Summed Audio Level ............................................................................................... 12 3.10 Speaker Level ......................................................................................................... 12 3.11 Earpiece Level ........................................................................................................ 12 3.12 R29 and R40 - 2175 Hz Notch Filter Adjust ............................................................ 13 3.13 R32 - Guard/Hold Tone Detect ............................................................................... 13

4.0 CIRCUIT DESCRIPTION ..................................................................................................... 14 4.1 Power Supply ........................................................................................................... 14 4.2 Line Interface ........................................................................................................... 14 4.3 Two Wire, No Supervisory, No Alternate Line .......................................................... 14 4.4 Two Wire With Supervisory ...................................................................................... 14 4.5 Two Wire With Alternate Line ................................................................................... 14 4.6 Four Wire, No Supervisory, No Alternate Line ......................................................... 15 4.7 Four Wire With Supervisory ..................................................................................... 15 4.8 Four Wire With Alternate Line .................................................................................. 15 4.9 Two Wire With Alternate Line Summed Audio ......................................................... 16 4.10 Combined Two Wire and Four Wire (for use with 20-88) ........................................ 16 4.11 Receive Audio ......................................................................................................... 16 4.12 Transmit Audio ........................................................................................................ 17 4.13 Digital Control Section ............................................................................................. 18 4.14 MSK Interface (MSK Control Option is not available at this time) ........................... 20 4.15 Parallel Detect ......................................................................................................... 20 4.16 Keypad Board ......................................................................................................... 20 4.17 Clock Option ............................................................................................................ 21 4.18 VU Meter Option ..................................................................................................... 21 4.19 LCD Option ............................................................................................................. 21 4.20 Programming Cable ................................................................................................ 21

4.21 Proper Grounding .................................................................................................... 22

5.0 TROUBLESHOOTING ......................................................................................................... 24 5.1 Microphone Audio Doesn't Reach the Line .............................................................. 24 5.2 VU Meter Doesn't Function ...................................................................................... 24 5.3 Control/Alert Tones Do Not Reach the Line ............................................................. 25 5.4 Control Tones Have No Effect on the Panel ............................................................ 25 5.5 Line Audio Doesn't Reach the Speaker ................................................................... 25 5.6 Earpiece Audio is Not Loud Enough or No Sound ................................................... 26 5.7 A Constant Hum is Present in the Speaker .............................................................. 26 5.8 Background Tone (2175 Hz) Present in Receive Audio ........................................... 26 5.9 Parallel TX Indicator Intermittent or Stuck On .......................................................... 27 5.10 One or More Keys Stuck On or Off ......................................................................... 27 5.11 Faceplate Keys and All LEDs Inoperative ............................................................... 27 5.12 Microprocessor Functioning Improperly .................................................................. 27 5.13 Status Messages ..................................................................................................... 28

PARTS LIST ............................................................................................................................... 30

TEST MODE APPENDIX ............................................................................................................ 38

INSTALLATION DIAGRAMS ..................................................................................................... 49

ADJUSTMENT LOCATOR DIAGRAM ....................................................................................... 51

SCHEMATICS ............................................................................................................................ 52

SPECIFICATIONS

Input voltage 15 Vdc @ 1000mA 24 Watt Wall Transformer

2.1 x 5.5mm barrel conn. Center (+)

Standby voltage 12 - 15 Vdc

Standby current @ 13.8 Vdc 287 mA (TX) 645 mA (RX) 267 mA (Standby)

Input power (max) 8.5 W (TX) 20 W (RX) 8.5 W (Standby)

Temperature range with LCD

0 to +60 deg C 0 to +50 deg C

Relative humidity 90% at 50 deg C

Line impedance 600 ohms (4-wire RX) 600 or > 5k ohms (4-wire TX or 2-wire)

Line audio output -10 dBm to +10 dBm into a 600 ohm load

Tx hum & noise -55 dB (ref. +10 dBm)

Threshold of compression (line to speaker audio)

-20 dBm adjustable

Speaker audio output 3 W into 4 ohms

Distortion (at rated speaker output) < 3%

RX hum & noise -55 dB

Frequency response +1, -3 dB (300 to 3000 Hz except at notch frequency)

Rx Compression With an audio increase of 30 dB beyond the start of compression the output increases less than 3 dB.

Tx Compression With an audio increase of 30 dB beyond the start of compression the output increases 15 to 17 dB.

Line control 2 or 4 wire audio

Notch filter depth > 45 dB (RX) > 45 dB (TX)

Weight 5 lb.

Dimensions 4.75" x 10" x 8"

1

1.0 GENERAL DESCRIPTION

1.1 Description

The 24-67 series of remote controllers is used to remotely control repeaters and base station radios. Tone sequences are used by the 24-67 to control the remote repeater or base station radio. The 24-67 requires an appropriate panel in the repeater or at the base station for correct operation. The operating characteristics of the 24-67 can be selected and changed with the programming software which runs on a standard personal computer. The 24-67 is available with either tone signaling or MSK signaling (MSK is not available at this time). The 24-67 Tone remote uses function tones from 550 to 2050 Hz to control the repeater or base station radio while the 24-67 MSK remote uses an MSK modem for control. The 24-67 is available with either a handset or a desk microphone and can operate with either a 2-wire or a 4-wire line. The 24-67 provides parallel detect as well as alternate line and supervisory modes of operation. The 24-67 is available with clock and VU meter display and can be set on a desk or wall mounted. A 12 V power cable is also available which allows the 24-67 to be operated from a 12 Vdc source.

1.2 Capabilities and Features

♦ Tone or MSK signaling (MSK is not available at this time) ♦ 2 wire or 4 wire operation

♦ Handset or desk microphone

♦ Desk or wall mount

♦ PC programmable

♦ Non-volatile memory

♦ 8 or 99 channels for 24-67 Tone remote

♦ 99 channels or up to 32 systems for 24-67 MSK remote

♦ Operation from 12 Vdc source

♦ Parallel remote update

♦ Full duplex operation

♦ Intercom

♦ Alert tone

♦ Supervisory option

♦ Alternate line with or without summed audio option

♦ Clock option

♦ VU meter option

♦ LCD option

2

2.0 INSTALLATION

2.1 Line Connection

The 24-67 allows either 2-wire or 4-wire lines to be used. The choice of which one of these to use should be based upon cost, availability, performance, and the conditions that the 24-67 is to operate within. Two wire lines have one voice grade pair that is used for both the transmit and receive audio. They are simple to install and, depending upon local service, may be more economical. Four wire lines provide two voice grade pairs, one for transmit audio and the other for receive audio. This provides full duplex operation allowing the 24-67 to transmit and receive at the same time. Cost may be a factor since two voice grade pairs are required. Four wire lines would be used with customer owned multiplex microwave systems and with leased lines that do not use hybrids in the transmission paths. The line connectors are found on the back of the 24-67. Connector J5 is the primary connector and is marked with one notch in the plastic case. Connector J6 is the secondary connector and is marked with two notches in the plastic case. The line should be a standard 2 or 4 wire cable that is available anywhere that telephone accessories are sold. With more than one remote in the system and no alternate line or supervisory option installed, J5 is used for the line from the base station and J6 is used to connect the line to additional remotes. With the supervisory option installed, J6 is used for the line from the base station and J5 connects to the remotes under supervisory control. If the 24-67 has the alternate line option installed, J5 is used for the primary line and J6 is used for the alternate line. Section 2.6 Remote Control Applications describes the 24-67 setup and line connections for numerous different remote control applications. Refer also to the 24-67 installation diagrams in the back of this manual.

2.2 Proper Grounding Practices

The surge protection diodes on the two wire audio lines, and the four wire audio lines protect the 24-67 from line transients. It is imperative that a good earth ground be used on the ground conductor screw terminal (J1) or a SERIOUS SHOCK HAZARD could develop if lightning were to strike the power line or the audio lines. In order to protect the operator to the highest possible degree, obtain a good earth ground for the ground conductor on the ground conductor screw terminal. The surge protection diodes are of little value without this earth ground and EXTREME CAUTION must be observed when servicing the 24-67 in the presence of a local lightning storm. In addition, the internal circuits can be damaged when a good earth ground is not used and lightning strikes the power line or the audio lines.

2.3 Switch Settings

This section describes the function of the individual switches SW1, SW2 and SW3. SW1: The 24-67 firmware upgrade process shall be initiated by pressing PCB switch

SW1 during startup.

3

2.3 Switch Settings (cont.)

SW2: The 24-67 Test mode shall be entered by depressing PCB switch SW2. Test mode can also be entered by pressing the keypad button 1 and keypad button 3 during startup.

SW3: The 24-67 Microcontroller can be reset to startup by depressing PCB switch SW3.

2.4 Remote Control Applications

There are numerous remote control applications that can be provided by the 24-67. Each application requires a specific jumper configuration and specific line connections. Certain 24-67 options are also required for each application. The following is a description of each of the remote control applications.

Application 1 - Two wire, no supervisory, no alternate line: This application provides basic 2-wire operation. The base station is connected to J5 and additional parallel remotes are connected to J6.

Application 2 - Two wire with supervisory: This application provides 2-wire operation with supervisory control. The base station is connected to J6 and the parallel remotes under supervisory control are connected to J5.

Application 3 - Two wire with alternate line: This application provides 2-wire operation with alternate line selection. The primary line is connected to J5 and the alternate line is connected to J6.

Application 4 - Four wire, no supervisory, no alternate line: This application provides basic 4-wire operation. The base station is connected to J5 and additional parallel remotes are connected to J6.

Application 5 - Four wire with supervisory: This application provides 4-wire operation with supervisory control. The base station is connected to J6 and the parallel remotes under supervisory control are connected to J5.

Application 6 - Four wire with alternate line: This application provides 4-wire operation with alternate line selection. The primary line is connected to J5 and the alternate line is connected to J6.

Application 7 - Two wire with alternate line summed audio: This application provides 2-wire operation with alternate line selection. Audio from the alternate line is also summed with audio from the primary line. The primary line is connected to J5 and the alternate line is connected to J6.

Application 8 - Combined two wire and four wire (for use with 20-88): This application allows operation with an IDA 20-88 that is interfaced to both 2-wire and 4-wire lines. The selected line from the 20-88 is connected to J5. J6 is not used.

4

2.4 Remote Control Applications (cont.)

The following chart details the required jumper configuration for each remote control application.

Application #

1 2 3 4 5 6 7 8 JP3 • • • • JP4 • • • • JP5 • • • JP6 • • • JP7 • • JP8 • • JP9 • •

JP10 • • JP12 • JP13 • JP14 • JP15 •

• - Jumper installed Note: Jumper JP1, JP2, JP17, JP18 and JP19 should always be installed. Jumper JP16

is normally installed and the 4-wire transmit pair line impedance or the 2-wire line impedance is about 600 ohms. With JP16 removed the 4-wire transmit pair line impedance or the 2-wire line impedance is greater than 5k ohms. The 4-wire receive pair line impedance is always about 600 ohms. If there are several remotes in parallel on the system, it is recommended that all remotes except for one be in the high impedance state. This will minimize loading on the system.

The following diagrams detail the line connections required for each remote control application and can be used as an aid when installing, troubleshooting and/or configuring a 24-67.

5


Application 1 - Two wire, no supervisory, no alternate line

Application 2 - Two wire with supervisory

6


Application 3 - Two wire with alternate line

Application 4 - Four wire, no supervisory, no alternate line

7


Application 5 - Four wire with supervisory

Application 6 - Four wire with alternate line

8


Application 7 - Two wire with alternate line summed audio

Application 8 - Combined two wire and four wire (for use with 20-88)

9

3.0 ADJUSTMENT PROCEDURES

The following will explain the adjustment procedure for all potentiometers and EPOTs in the 24-67. Most potentiometers and EPOTs are factory preset and will, in most cases, not need adjustment. The factory adjustment procedure and the recommended field adjustment procedure are given for most potentiometers and EPOTs. Refer to the programming and adjustment utility software application or Test mode for the complete adjustment procedure. If your 24-67 has a LCD option you can also set these adjustments from the Test mode. Test mode shall be entered by depressing PCB switch SW2. Test mode can also be entered by pressing the keypad button 1 and keypad button 3 during startup. Refer to the Test mode appendix at the back of this manual for more information.

3.1 Microphone To Line Level

Factory adjustment procedure - With the handset or desk microphone removed, inject a 1 kHz tone at 1 Vrms from a 600 ohm generator into the microphone input J11-4. Place the 24-67 into intercom mode and begin transmitting by grounding J11-3. Connect a 600 ohm load to the output terminals J5-4 and J5-5. Adjust EPOT via programming and adjustment utility software application or Test mode so that 0 dBm (.77 Vrms) appears across the 600 ohm load. Field adjustment procedure - While speaking into the handset or desk microphone, monitor the output of the base station or repeater transmitter with a service monitor or deviation meter and Adjust EPOT via programming and adjustment utility software application or Test mode for proper transmitter deviation.

3.2 Desk Microphone Output Sensitivity

The audio output level of the desk microphone can be adjusted through a hole in the bottom of the desk microphone. A small jeweler's flat blade screwdriver will be needed. The adjustment may need to be made depending upon background noise in the environment where the 24-67 is located and also upon the user of the desk microphone and how close and/or loud the user speaks.

3.3 Internal Microphone Level

Factory adjustment procedure - Microphone To Line Level EPOT should be set properly before making this adjustment. Inject a 1 kHz tone at 1 Vrms from a 600 ohm generator into the internal microphone input MK1 pin 1+ (right side of R156). Connect a 600 ohm load across the output terminals J5-4 and J5-5 and begin transmitting by holding down the internal microphone PTT button. Adjust EPOT via programming and adjustment utility software application or Test mode so that 0 dBm (0.77 Vrms) appears across the 600 ohm load. Field adjustment procedure - The internal microphone level can be adjusted by speaking into the microphone, monitoring the output, and adjusting EPOT via programming and adjustment utility software application or Test mode to the desired level.

10

3.4 R28 and R39 - 2175 Hz Notch Filter Adjust

With the handset or desk microphone removed, inject a 2175 Hz tone at 1 Vrms into the microphone input J11-4. Begin transmitting by grounding J11-3 and adjust R28 and R39 for a minimum reading across the output terminals J5-4 and J5-5. Going back and forth between the two potentiometers will result in the best adjustment.

3.5 Tone Encode Level

Factory adjustment procedure - Remove the handset or desk microphone and begin transmitting by grounding J11-3. Install a 600 ohm load across the output terminals J5-4 and J5-5 and measure the AC voltage across it. The 24-67 will be generating a 2175 Hz hold tone across the load. Adjust EPOT via programming and adjustment utility software application or Test mode so that -20 dBm (.08 Vrms) is across the load. Field adjustment procedure - Turn EPOT via programming and adjustment utility software application down so that the 24-67 will not key the base station or repeater panel. While keying the 24-67 several times, Adjust EPOT via programming and adjustment utility software application or Test mode until it keys the base station or repeater panel reliably.

3.6 MSK Encode Level (MSK Control Option is not available at this time)

Factory adjustment procedure - Put the 24-67 MSK remote into test mode and press any button until the MSK test tone is being sent to the line. Install a 600 ohm load across the line and Adjust EPOT via programming and adjustment utility software application or Test mode for 0 dBm (.77 Vrms) across the load. Field adjustment procedure - If the panel does not decode updates sent by the 24-67 MSK remote, Adjust EPOT via programming and adjustment utility software application or Test mode until the panel decodes the updates reliably.

3.7 DTMF Encode Level (DTMF is not available with product Rev.C and newer units)

Factory adjustment procedure - Place the 24-67 into intercom mode. Connect a 600 ohm load to the output terminals J5-4 and J5-5. Adjust EPOT via programming and adjustment utility software application or Test mode so that 0 dBm (.77 Vrms) appears across the 600 ohm load. Field adjustment procedure - While generating a DTMF tone from the keypad, monitor the output of the base station or repeater transmitter with a service monitor or deviation meter and Adjust EPOT via programming and adjustment utility software application or Test mode for proper transmitter deviation.

3.8 Receive Line Compensation

Factory adjustment procedure - For 2-wire or 4-wire applications, these EPOT adjustments are set to default values.

11

3.8 Receive Line Compensation (cont.)

Field adjustment procedure - These EPOT adjustments can be made via programming and adjustment utility software application or Test mode. This adjustment should normally not need to be adjusted in the field. However, if levels coming into the 24-67 are greater than +10 dBm (2.45 Vrms) or there is excessive line noise, this EPOT should be turned down.

3.9 Summed Audio Level

Factory adjustment procedure - Input a 1.5 kHz tone at 1 Vrms across J5-4 and J5-5 and input a 800 Hz tone at 1 Vrms across J6-3 and J6-4. Measure the output at TP1 and Adjust EPOT via programming and adjustment utility software application or Test mode so that the 800 Hz (alternate) signal is below the 1.5 kHz (primary) signal. When the alternate line button is depressed, the primary signal becomes the 800 Hz signal and the alternate signal becomes the 1.5 kHz signal. However, the alternate signal should remain below the primary signal. Field adjustment procedure - When using the summed audio option, it may be necessary to adjust the alternate line audio. This can be done by adjusting EPOT via programming and adjustment utility software application or Test mode to the desired level.

3.10 Speaker Level

Factory adjustment procedure - Receive Line Compensation 2-wire and 4-wire EPOT’s must be set properly before making this adjustment. With the volume control potentiometer R1 at maximum, Adjust EPOT via programming and adjustment utility software application or Test mode so that 3.45 Vrms appears across the speaker terminals while receiving a 1 kHz tone at +10 dBm (2.45 Vrms). Field Adjustment procedure - While connected to the system and receiving audio from the highest level source, Adjust EPOT via programming and adjustment utility software application or Test mode so that audio in the speaker is a comfortable listening level. Do not turn it up too high since this will cause distortion and clipping. The audio should not exceed 3.45 Vrms at the speaker terminals.

3.11 Earpiece Level

Factory adjustment procedure - Receive Line Compensation 2-wire and 4-wire EPOT’s must be set properly before making this adjustment. With a handset or a 150 ohm load connected from J11-2 to ground, Adjust EPOT via programming and adjustment utility software application or Test mode for 150 mV across the load while receiving a 1 kHz tone at +10 dBm (2.45 Vrms). The volume control potentiometer R1 should be set to maximum. Field adjustment procedure - The earpiece and the base speaker are both controlled by the volume control potentiometer R1. It may be necessary in certain noisy environments to increase the level to the earpiece. While in the noisy environment and receiving audio from the source with the least level coming in, Adjust EPOT via programming and

12

3.11 Earpiece Level (cont.)

adjustment utility software application or Test mode for a comfortable listening level with the volume control potentiometer at maximum.

3.12 R29 and R40 - 2175 Hz Notch Filter Adjust

Factory adjustment procedure - Apply a 2175 Hz tone at +10 dBm (2.45 Vrms) across J5-4 and J5-5. Adjust R29 and R40 for a minimum reading across the speaker. Going back and forth between the two potentiometers will result in the best adjustment. Field adjustment procedure - While receiving a 2175 Hz hold tone from a paralleled remote, adjust R29 and R40 until little or no hold tone is heard in the speaker. Going back and forth between the two potentiometers will result in the best adjustment.

3.13 R32 - Guard/Hold Tone Detect

Factory adjustment procedure - Apply a 2175 Hz tone at +10 dBm (2.45 Vrms) across J5-4 and J5-5. Adjust Detection Gain EPOT via programming and adjustment utility software application or Test mode half ways from the bottom setting. Adjust R32 for a maximum level at TP2 and then adjust Detection Gain EPOT via programming and adjustment utility software application or Test mode for 2.5 Vrms at TP2. Reduce input level by 20 dB (to 0.24 Vrms) and check that the DC level at U11A pin1 has changed from 0 Vdc to 3.3 Vdc. Reduce input level by a total of 50 dB (to .008 Vrms) and check that the DC level at U11B pin 7 has changed from 0 Vdc to 3.3 Vdc. Field adjustment procedure - Adjust R32 as described in the factory adjustment procedure. Adjust Detection Gain EPOT via programming and adjustment utility software application or Test mode to the bottom setting. While a paralleled remote is being keyed several times, adjust Detection Gain EPOT via programming and adjustment utility software application or Test mode up until the TX indicator comes on and follows the paralleled remote. It is best to use the paralleled remote that is the furthest away from the unit being setup or, in other words, the paralleled remote that has the most line loss. Check to be sure that all other paralleled remotes will make the TX indicator illuminate.

13

4.0 CIRCUIT DESCRIPTION

4.1 Power Supply

Power is supplied to the 24-67 via the supplied 15VDC wall transformer. It is connected at J7 on the back of the 24-67. The polarity of the connector must be correct. From J7 the power is routed through a diode D11 and a 1 amp fuse F1. Diode D11 prevents a reverse polarity from harming the 24-67. Power is fed into voltage regulator U20. The output voltage of U20 is set to 12.5. This 12.5 Vdc through a diode D16 drives the audio section of the 24-67. It is also fed into voltage regulator U26, U27 and U38. The output voltage of U27 is set to 3.3 Vdc. The output voltage of U38 is set to 5 Vdc. The output voltage of U26 is set to 10 Vdc. It is also fed into voltage regulator U36. The output voltage of U36 is set to 5 Vdc REF. The 3.3 Vdc powers the digital section of the 24-67. The 24-67 can be operated from a 13.8 Vdc supply through connector J2. Diode D17 prevents a reverse polarity from harming the 24-67.

4.2 Line Interface

The line is connected to the 24-67 through the two back panel modular jacks, J5 and J6. The 24-67 can be configured in several different configurations. It can be 2-wire or 4-wire, 2-wire or 4-wire with supervisory control, and 2-wire or 4-wire with alternate line. The lines are protected from transients by surge arresters SG1 - SG4.

4.3 Two Wire, No Supervisory, No Alternate Line

In the basic two wire configuration, the 2-wire line from the base station is connected to J5-4 and J5-5. Jumpers JP5 and JP6 are installed so that audio to and from the base station is routed through transformer T2. With jumpers JP3 and JP4 installed, additional remotes may be connected in parallel to J6-3 and J6-4. Receive audio is coupled through transformer T2 and passes from pin 4 of T2 through EPOT U8C to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 T2 where it is coupled to the line.

4.4 Two Wire With Supervisory

In the two wire configuration with supervisory control, relay K1 is used for implementation of the supervisory mode. Only one user should have supervisor privileges. The 2-wire line from the base station is connected to J6-3 and J6-4. Additional remotes should be connected to J5-4 and J5-5. Jumpers JP3 and JP4 are installed so that audio to and from the base station is always routed through transformer T2. When the SUPER key is pressed, K1 is activated thus disconnecting any remotes connected to J5 from the line. Receive audio is coupled through transformer T2 and passes from pin 4 of T2 through EPOT U8C to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 T2 where it is coupled to the line.

4.5 Two Wire With Alternate Line

In the two wire configuration with alternate line, relay K1 is used to select the alternate line. The 2-wire line from the primary base station is connected to J5-4 and J5-5. The 2-

14

4.5 Two Wire With Alternate Line (cont.)

wire line from the alternate base station is connected to J6-3 and J6-4. When the ALT key is pressed, K1 is activated thereby connecting the alternate line to transformer T2. Receive audio is coupled through transformer T2 and passes from pin 4 of T2 through EPOT U8C to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 T2 where it is coupled to the line.

4.6 Four Wire, No Supervisory, No Alternate Line

In the basic four wire configuration, the 4-wire line from the base station is connected to J5. Audio from the base station comes in on J5-3 and J5-6 and is passed through jumpers JP9 and JP10 to transformer T3. The audio is coupled through transformer T3 and passes from pin 6 of T3 through EPOT U8B to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 of transformer T2. The audio is coupled through transformer T2 and passes through jumpers JP5 and JP6. The audio is then passed to the base station through J5-4 and J5-5. Additional remotes may be connected in parallel to J6. Jumpers JP7 and JP8 pass audio from the base station to the parallel remotes through J6-2 and J6-5. Jumpers JP3 and JP4 pass audio from the parallel remotes to the base station through J6-3 and J6-4.

4.7 Four Wire With Supervisory

In the four wire configuration with supervisory control, relay K1 is used for implementation of the supervisory mode. Only one user should have supervisor privileges. The 4-wire line from the base station is connected to J6 with J6-2 and J6-5 used for audio from the base station and J6-3 and J6-4 used for audio to the base station. Additional remotes should be connected in parallel to J5 with J5-3 and J5-6 used for audio from the base station to the parallel remotes and J5-4 and J5-5 used for audio from the parallel remotes to the base station. When the SUPER key is pressed, K1 is activated thus disconnecting any remotes connected to J5 from the line. Jumpers JP7 and JP8 allow audio from the base station to always be coupled through transformer T3 and where it then passes from pin 6 of T3 through EPOT U8B to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 of transformer T2. Jumpers JP3 and JP4 are installed so that audio coupled through transformer T2 is always passed to the base station.

4.8 Four Wire With Alternate Line

In the four wire configuration with alternate line, relay K1 is used to select the alternate line. The 4-wire line from the primary base station is connected to J5 with J5-3 and J5-6 used for audio from the base station and J5-4 and J5-5 used for audio to the base station. The 4-wire line from the alternate base station is connected to J6 with J6-2 and J6-5 used for audio from the base station and J6-3 and J6-4 used for audio to the base station. When the ALT key is pressed, K1 is activated thereby connecting the alternate line to transformers T2 and T3. Audio from the base station is coupled through transformer T3 and passes from pin 6 of T3 through EPOT U8B to the buffer amplifier U10D. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes

15

4.8 Four Wire With Alternate Line (cont.)

to pin 7 of transformer T2. The audio is coupled through transformer T2 and is then passed to the base station.

4.9 Two Wire With Alternate Line Summed Audio

In the two wire configuration with alternate line and summed audio, relay K1 is used to select the alternate line. The 2-wire line from the primary base station is connected to J5-4 and J5-5. The 2-wire line from the alternate base station is connected to J6-3 and J6-4. When the alternate line is not selected, the primary line is connected to transformer T2 and the alternate line is connected to transformer T3 through jumpers JP13 and JP15. When the ALT key is pressed, K1 is activated thereby selecting the alternate line and connecting it to transformer T2. The primary line is then connected to transformer T3 through jumpers JP12 and JP14. Receive audio from the selected line is coupled through transformer T2 and passes from pin 4 of T2 through EPOT U8C to the buffer amplifier U10D where it is summed with audio coupled through transformer T3 and passes from pin 6 of T3 through EPOT U8B from the unselected line. EPOT U8B is used to control the level of audio received from the unselected line. Transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 of transformer T2 where it is coupled to the selected line.

4.10 Combined Two Wire and Four Wire (for use with 20-88)

The 24-67 can be used with an IDA 20-88 to allow the 24-67 to control multiple base stations. The lines from the base stations are connected to the 20-88 which selects one of the lines and passes that line to the 24-67. This configuration allows both 2-wire and 4-wire lines to be connected to the 20-88 at the same time. The selected line from the 20-88 is connected to J5. J6 is not used. Jumpers JP5 and JP6 connect J5-4 and J5-5 to transformer T2 which couples transmit audio coming from pin 1 of U14 goes to pin 6 T2 and pin 1 of U21 goes to pin 7 T2 where it is coupled to the line for both 2-wire and 4-wire lines. Receive audio is also coupled through transformer T2 for 2-wire lines and passed to the buffer amplifier U10D. Jumpers JP9 and JP10 connect J5-3 and J5-6 to transformer T3. Receive audio from 4-wire lines is coupled through transformer T3 and passed to the buffer amplifier U10D. EPOT U8B is used to control the level of audio received from 4-wire lines and should be adjusted so that audio received from the 4-wire lines is at the same level as audio received from the 2-wire lines.

4.11 Receive Audio

Receive audio from the summing amplifier U10D in the line interface section is passed to the receive audio buffer amplifier U5A. The audio then goes to an automatic gain control (AGC) circuit. The AGC circuit provides for a constant output voltage over an input range of 30 dB. The AGC circuit is comprised of U15B and U5D and their associated components. The AGC output is at pin 14 of U5D. The audio input on pin 13 of U15B is rectified internally and is used to control the gain of the internal gain cell that is connected between pin 11 and pin 9 of U15B. The attack time of the AGC is determined by C156 and the recovery time is determined by C62. From pin 14 of U5D the audio signal goes to pin 14 of audio gate U16B. This gate is normally enabled unless the AGC bypass has been enabled. If the AGC bypass circuit

16

4.11 Receive Audio (cont.)

has been enabled, this gate will be disabled and audio will be routed to the notch filter from pin 3 of audio gate U16A instead of pin 15 of audio gate U16B. The notch filter is comprised of U5B and U5C and their associated components. Potentiometers R29 and R40 are used to tune the notch filter to 2175 Hz. The notch filter removes the 2175 Hz hold tone from the line audio to prevent it from being heard. From the notch filter circuit pin 8 of U5C, the audio goes to the summing amplifier U4B. The line audio from the summing amplifier U4B is amplified by U1C and then passed to the volume control potentiometer R1. D1 and D2 are used to help protect the 24-67 from electrostatic discharges. Resistor R3 prevents the audio from being turned completely off. From the volume control potentiometer, the audio goes to the headset earpiece level adjustment EPOT U8D and the handset earpiece level adjustment EPOT U13D. The audio is then fed from EPOT U8D to the headset earpiece driver U4A, also from EPOT U13D to the handset earpiece driver U6B. The output of U6B is passed to the earpiece enable gate U16D. If the 24-67 is equipped with a handset, this gate allows the audio to go to the earpiece in the handset. If the 24-67 is equipped with a desk microphone, the earpiece enable gate will be disabled. This allows pin 2 on J11 to be used as the monitor line from the desk microphone From the volume control potentiometer, the audio also passes to the speaker level adjustment EPOT U8A then to the speaker driver preamp circuit. The preamp circuit is comprised of U1A and U1B and their associated components. The preamp output is at pin 1 of U1A and pin 7 of U1B. The audio is then fed into the speaker driver U3. U3 and its associated circuitry is stereo audio power amplifier that contains two identical amplifiers capable of delivering 6 Watts per channel of continuous average power into a 4 ohm load. The gain of each channel is fixed at 20 dB. The A output, U3 pins 7 and 8 of the speaker driver goes to J8, the internal speaker connector. The B output, U3 pins 13 and 14 of the speaker driver goes to J18, the external speaker connector.

4.12 Transmit Audio

Microphone audio from the handset or the desk microphone comes from pin 4 of J11. The microphone is biased by resistors R11 and R22. The microphone audio then passes through an electrostatic discharge protection circuit consisting of D3 and D4. The audio is then compressed by the compression circuit consisting of U15A and U6C and their associated components. The compression circuit output is at pin 8 of U6C. The audio signal fed back from pin 8 of U6C to pin 3 of U15A is rectified internally and controls the gain of the internal gain cell that is connected between pin 5 and pin 7 of U15A. The attack time is determined by C150 and the recovery time is determined by C58. From pin 8 of U6C the signal goes to the 2175 Hz notch filter consisting of U10B and U10C and their associated components. Potentiometers R28 and R39 are used to tune the notch filter to 2175 Hz. This filter notches out any 2175 Hz component that is present in the microphone audio. The notch depth is greater than 45 dB. This helps prevent a user's voice from falsing any 2175 Hz detectors that are in a panel or another parallel remote.

17

4.12 Transmit Audio (cont.)

The microphone audio then passes through the microphone EPOT U9C. This EPOT allows muting of the microphone audio when necessary to eliminate any audio feedback ringing. This EPOT U9C is also the transmit audio adjustment potentiometer. U10A is a summing amplifier that sums the transmit audio, the function tones and the DTMF tones. The function tones are generated by the Audio Signaling Processor U19 and its associated components. EPOT U9B is used to adjust the level of the function tones. The DTMF tones are generated by the DTMF Transceiver U24 and its associated components. EPOT U9D is used to adjust the level of the DTMF tones. The output of U10A goes to the line driver U14 and U21 which drives the line coupling transformer T2. Jumper JP16 is used to change the 4-wire transmit pair line impedance or the 2-wire line impedance from about 600 ohms when JP16 is on to greater than 5k ohms when JP16 is off.

4.13 Digital Control Section

The 24-67 is controlled by U41 which is a 16-bit Microcontroller. This microcontroller incorporates serial communication UART and I²C. This microcontroller also incorporates general purpose I/O ports and a parallel data communication port. The control program for U41 is stored in the internal 128KB Flash memory. Other inputs to U41 are the monitor line from a desk microphone, external PTT from the foot switch connector, local PTT from the handset or desk microphone and encode PTT from the internal encode/decode connector. Outputs from U41 are four I/O lines that go to the keypad board interface controller U39 to allow U41 to control the display LEDs and the LCD. Other outputs from U41 are the DTMF, MSK, and Tone internal speaker enable which enables audio from these sources to the internal speaker. U42 is a CPU low voltage reset IC that functions as a manual reset and low voltage reset for U41. This causes pin 1 of U42 to stay low. Pin 1 of U42 is also low whenever the 3.3 Vdc power supply is below 2.7 Vdc. This ensures that U41 is properly reset on power-up. All of the programmable operating characteristics of the 24-67 are stored in U40 which is a serial EEPROM. The data on pin 5 of U40 is read from or written into U18 by the clock signal on pin 6 of U40. The data in U40 is checked on power-up to determine if it has been corrupted. If the data in U40 has been corrupted, an error indication will be given on the front panel display. The data stored in U40 is changed by using the programming cable and the programming software supplied by IDA.

18

4.13 Digital Control Section (cont.)

U31 is an 8-bit output latch that is used to control various audio gates and one relay. Three of the outputs are connected to open collector transistors Q1, Q4 and Q5. These three outputs are used to mute the speaker audio, enable the line driver and control the supervisory/alternate line relay K1. Another two of the outputs are connected to audio gates in U7. These two outputs are used to enable encode audio from the internal encode/decode connector J13 and microphone audio from the headset connector J14. U18 is an 8-bit microcontroller. Data written to it by U41 controls the Signaling Processor U19. U19 is used to generate the tones required by the 24-67 including the guard tone, hold tone, function tones, alert tone and various other tones. U19 also decodes function tone sequences from the line and reports them to U18. J10 is the connection to the keypad board. There are two power pins, 5 Vdc and 13.8 Vdc, and a ground pin. There are four row outputs to the keypad matrix and three column inputs from the keypad matrix. There are the four I/O lines for controlling the display LEDs and the LCD. There is also the analog VU signal for the VU meter on the display.

19

4.14 MSK Interface (MSK Control Option is not available at this time)

U25 is an MSK modem and is used to encode and decode the MSK data. Crystal Y3 provides a 4 MHz clock to U25. The output of the AGC circuit is fed to pin 3 of U25 which will decode MSK data from this audio. The decoded data is then read from U25 by the microprocessor. Data to be transmitted is written to U25 by the microprocessor. U25 converts this data to MSK tones which then appear on pin 2 of U25. The MSK tones pass through to the summing amplifier U10A. EPOT U9A is used to adjust the level to control the gain of the MSK tones through the summing amplifier. The MSK tones are then passed to the line driver and on to the line.

4.15 Parallel Detect

Line audio enters the parallel detect circuit through pin 1 of U5 and is passed into the 2175 Hz bandpass filter through EPOT U13A. EPOT U13A adjusts the level of audio into the bandpass filter and therefore into the guard and hold tone detect circuits. The bandpass filter is comprised of U12A, U12B, and U12C and their associated components. Potentiometer R32 is used to tune the bandpass filter to 2175 Hz. The 2175 Hz tones that come out of the bandpass filter are passed into the guard and hold tone detect circuits. For the guard tone detect circuit, audio passes through C171 to diodes D9. These diodes pass only the positive transitions of the 2175 Hz tones to capacitor C63 which causes C63 to charge up. During negative transitions, C63 is discharged through resistor R114. Pin 1 of U11A will be turned on when the charge on C63 is greater than the voltage on pin 2 of U11A. When pin 1 of U11A is on, pin 1 will be pulled high which indicates that guard tone is being detected. For the hold tone detect circuit, audio is passed to amplifier U12D which provides approximately 30 dB of gain. Diodes D10 pass only the positive transitions of the 2175 Hz tones to capacitor C172 which causes C1 to charge up. During negative transitions, C1 is discharged through resistor R115. Pin 7 of U11B will be turned on when the charge on C172 is greater than the voltage on pin 6 of U11B. When pin 7 of U11A is on, pin 7 will be pulled high which indicates that hold tone is being detected.

4.16 Keypad Board

The keypad board is mounted on the faceplate of the 24-67. It is connected to J10 on the base board by a ribbon cable that is soldered to J5 on the keypad board. The keypad board has the contacts for the front panel buttons etched on it, and provides a backplane for the front panel buttons. The rows and columns of the keypad are fed to the baseboard through connector J5. The microprocessor determines if a certain key is pressed by pulling the row input for that key low and then checking to see if the column output for that key also goes low. LEDs are provided for each button and also for the TX indicator. These LEDs are driven by the LED display driver U1 which also drives the single digit 7-segment LED display D1 when D1 is installed. This driver has a serial interface to the microprocessor on the base board. Serial data coming from the baseboard on pin 1 is clocked into U1 by the clock signal on pin 13. When all the data is clocked in, pin 12 is pulsed to load the data into the drivers.

20

4.16 Keypad Board (cont.)

Also located on the keypad board are the mounting sockets for the clock, VU meter, and LCD options. The clock option plugs into J4 and the LCD option plugs into J3. The VU meter option plugs into either J1 or J2 depending on if the LCD option is installed.

4.17 Clock Option

The clock option plugs into J4 on the keypad board. It consists of a four digit 7-segment LED clock display module that is connected through J4 to the LED display driver U1 on the keypad board. This option is used to display the time of day and in some configurations is also used to display the frequency, channel, or system and group selected.

4.18 VU Meter Option

The VU meter option plugs into J1 on the keypad board when the LCD option is installed and into J2 when the LCD option is not installed. This option converts a DC signal level on pin 6 of J1 or J2 to a readout on an LED bar graph. This DC signal comes from the base board through the keypad board. On the base board the transmit signal is fed to an amplifier consisting of U11A and its associated components. The output of the amplifier is then fed to a rectifier circuit consisting of C66, D11, D12, and C67. The resulting DC signal is then passed through a resistor divider network of R83 and R84 before being sent to the keypad board and the VU meter option board.

4.19 LCD Option

The LCD option includes a 32 character (two line) LCD module which plugs into J3 on the keypad board. Serial data from the microprocessor is transmitted to U2 on the keypad board which is an 8-bit serial input, parallel output latch. Serial data coming in on pin 14 is clocked into U2 by the clock signal on pin 11. Once all 8 bits have been clocked in, data is transferred to the LCD (pins 7 - 14 of J3) by a rising edge on pin 12 of U2. The contrast level of the LCD is adjusted using potentiometer R8 on the keypad board.

4.20 Programming Cable

The programming cable is used for programming the desired configuration into the 24-67. One end of the cable is an eight position modular connector that plugs into J5 on the 24-67. The other end is a DB-25 connector that connects to the serial port of the computer. Inside the housing of the DB-25 connector is a TTL to RS-232 converter. Four wires are used between the 24-67 and the converter. These are 5 Vdc, ground, RX data, and TX data. There are only three connections between the converter and the computer. These are ground, RX data, and TX data. If the computer has a DB-9 serial port, the DB-25 to DB-9 adapter will need to be used.

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4.21 Proper Grounding

The following grounding methods must be followed for proper lightning protection. External lighting protection is preferred or an earth ground wire must be attached to the earth ground post (J1) in the 24-67 as shown in the following diagram:

22

Proper Grounding (cont.)

On the 24-67 base cabinet, a hole needs to be made to allow the earth ground wire to exit the cabinet and be connected to an earth ground such as a water pipe or other suitable connection. Drill hole only through the plastic cabinet. Drill hole size will be determined by the gauge of wire used for the earth ground. 14awg (or heavier) stranded wire is recommended. Below is a diagram which shows the suggested hole location.

24-67 Remote Base Controller (Rear View)

23

5.0 TROUBLESHOOTING

5.1 Microphone Audio Doesn't Reach the Line

1. The Push-to-Talk (PTT) button should be depressed fully so that the TX indicator is on. If the TX indicator does not turn on, check the handset or desk microphone cord and connector. Note: The Tx indicator will not turn on during intercom.

2. Check to see if pin 5 of U2 goes low (0.7 Vdc or lower) when the PTT switch is depressed. If it does go low and there is still no microphone audio, U2 may be faulty. Replace it with a known working part.

3. The output of the compressor circuit, U6-8, should be biased at 5.0 Vdc with the microphone audio riding on it.

4. The output of the 2175 Hz notch filter circuit, U10-7, should be biased at 5.0 Vdc with the microphone audio riding on it.

5. The output of the summing amplifier, U10-1, should be biased at 5.0 Vdc with the microphone audio riding on it. If not, U10 may be faulty or the TX ADJ EPOT may be turned down too far.

6. The output of the line driver stage, U14-1 and U21-1, should be biased at 6.0 Vdc with the microphone audio riding on it. The line driver is turned on and off by the level present on U14-5 and U21-5. This level should be high (11.0 Vdc or more) when depressing PTT.

5.2 VU Meter Doesn't Function

1. This is a hardware option. Make sure the unit is equipped with it. If no audio appears on the line, refer to section 5.1.

2. Audio is amplified and buffered to the VU meter through U1. The output, U1-14, should be biased at 5.0 Vdc with microphone audio riding on it.

3. If VU audio is present on J10-9, the ribbon cable should be checked for an open.

24

5.3 Control/Alert Tones Do Not Reach the Line

1. All control tones and the alert tones are generated by the microprocessor through the Audio Signaling Processor U19 and its associated components. The tones will be present on U19 pin 20 during times when tones are generated. If not, replace U19 or refer section 5.12.

2. The control tones and the alert tones are fed from the Audio Signaling Processor to EPOT U9B. The intput of EPOT U9B is pin 23, and should have tone(s) present during times when tones are being generated.

3. The tones pass through the tone adjust potentiometer EPOT U9B. Check the adjustment to see if it is set properly. If tones are still not being sent to the line, turn the potentiometer to maximum setting. If tones are present on the wiper arm of EPOT U9B pin 22 and they are still not reaching the line, then the problem is either in the summing amplifier stage U10A or the line driver stage U14 and U21. If so, refer to section 5.1 since microphone audio is probably not reaching the line either.

5.4 Control Tones Have No Effect on the Panel

1. See adjustment procedure for the proper setting of the tone levels.

2. Make sure the 24-67 configuration has been programmed to match what is expected by the panel.

5.5 Line Audio Doesn't Reach the Speaker

1. If a handset is being used, make sure the handset is properly seated in the cradle. Check the operation of the HUHS (Hang Up Hook Switch) by monitoring J8-2 with a DC voltmeter. If a desk microphone is being used, the speaker will remain on continually.

2. If the alternate line or supervisory option is installed make sure the line is connected to the appropriate modular receptacle and that the supervisory function is not selected. Also verify that the appropriate jumpers are installed or not installed.

3. While sending audio into the 24-67 from the line, monitor U5-14. This pin should be biased at 5.0 Vdc with the audio riding on it. If not, make sure the RX ADJ EPOT is set properly. If there is still no audio present on U5-14, U5 or U15 may be faulty.

4. Make sure audio will pass from U16-14 to U16-15 or from U16-2 to U16-3 when bypassing the AGC circuit. With the mute function off, the control pins on one of these audio gates should be high (5.0 Vdc present on U16-16 or U16-1).

25

5.5 Line Audio Doesn't Reach the Speaker (cont.)

6. While receiving audio from the line, U4-7 should be biased at 5.0 Vdc with the audio riding on it.

7. Check to be sure audio passes through the volume control potentiometer R1. After the volume control the audio should be on U1-1. In the speaker path U3-17 should be high (11.0 Vdc or more) and audio should be present at U3 pins 7 and 8.

8. The speaker level adjustment EPOT should be checked to see if it is properly set. U3 is the speaker driver and should have audio present on its output, pins 7 and 8. As a last step make sure JP2 is installed and the speaker connector is mated to J8.

5.6 Earpiece Audio is Not Loud Enough or No Sound

The following solutions assume that the speaker audio is working properly. 1. Check the earpiece level adjustment EPOT for proper adjustment.

2. The output of the earpiece amplifier, U6-7, should be biased at 5.0 Vdc with audio riding on it.

3. Earpiece audio should pass from U16-6 to U16-7 while U16-8 is low (0.7 Vdc or less). At J11-2 there should be approximately 150 mVrms of audio with the handset plugged in.

4. U16-9 should be high (5.0 Vdc) when the 24-67 is configured for a handset. If it is low (0.7 Vdc or less), the 24-67 is configured for a desk microphone and will need to be reconfigured by using the programming software.

5.7 A Constant Hum is Present in the Speaker

1. Check the filter capacitors and voltage regulators in the power supply section. Look for AC ripple riding on the DC voltages.

2. One or more audio adjustments may be turned up too high. Check all applicable adjustments according to the adjustment procedure.

5.8 Background Tone (2175 Hz) Present in Receive Audio

1. Check the 2175 Hz notch filter to see if it is set properly.

2. The 2175 Hz tone may be coming in at too high of a level. Check the levels coming from other parallel remotes.

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5.9 Parallel TX Indicator Intermittent or Stuck On

1. The 2175 Hz hold tone arriving at the 24-67 is at too high of a level or the detection gain EPOT is set improperly.

5.10 One or More Keys Stuck On or Off

1. Unplug the 24-67 and then plug it back in.

2. Check the ribbon cable between the keypad board and the base board.

3. Microprocessor may be functioning improperly. Refer to section 5.12.

5.11 Faceplate Keys and All LEDs Inoperative

1. Unplug the 24-67 and then plug it back in.

2. Check the ribbon cable between the keypad board and the base board.

3. Microprocessor may be functioning improperly. Refer to section 5.12.

5.12 Microprocessor Functioning Improperly

1. Check for 3.3 Vdc on pins 10, 19, 26 and 38 on the microprocessor (U15).

2. Make sure JP17 and JP19 installed at all times.

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5.13 Status Messages

The display on the 24-67 is used for displaying the selected frequency, channel, or system and group information. In addition, different status messages are also displayed. The appearance of the different status messages varies depending upon if the 24-67 has the Tone Control option or the MSK Control option and upon the type of display being used (either an LED or an LCD display). Each of the status messages are described below.

24-67 Tone Remote

32 character LCD

LED Description

“DISABLED”

"d" This message is displayed when the current channel is disabled and the Display Configuration Setting "Show Disabled Channels?" is not enabled.

"PROGRAMMING" "P" This is displayed while the 24-67 Tone remote is being programmed.

“*** ERROR ***” "NV MEMORY"

"E" This initialization error is displayed if an error is detected communicating with non-volatile memory or if any of the configuration parameters were set to default during initialization. The 24-67 Remote will automatically reset after displaying this error.

“*** ERROR ***” “I2C POTS”

"E" This initialization error is displayed if an error is detected communicating with the ePots. The 24-67 Remote will automatically reset after displaying this error. Automatically reset after displaying this error.

“*** ERROR ***” “INPUTS / OUTPUTS”

"E" This initialization error is displayed if an error is detected while initializing the inputs and outputs. The 24-67 Remote will automatically reset after displaying this error.

“*** ERROR ***” “TONE PROCESSOR”

"E" This initialization error is displayed if an error is detected communicating with the tone processor. The 24-67 Remote will automatically reset after displaying this error.

“*** ERROR ***” “TONE RESET”

"E" This initialization error is displayed if an error is detected resetting the tone processor. Check that JP17 is installed.

“*** ERROR ***” “NO CHANS ENABLED”

"E" This initialization error is displayed if all channels are disabled.

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5.14 Status Messages (cont.)

24-67 TONE Remote

32 character LCD LED Description “*** ERROR ***”

“DISPLAY”

"E" This initialization error is displayed if an error is detected initializing the display module. The 24-67 Remote will automatically reset after displaying this error.

“*** ERROR ***” “INITIALIZING”

"E" This a general initialization error not covered by the previous enumerations.

“*** ERROR ***” “PTT TIME EXPIRED”

"E" This run-time error is displayed when the maximum PTT time has elapsed during a PTT function. The error is cleared when all PTT inputs are cleared.

“*** ERROR ***” “CHANNEL DISABLED”

"E" This run-time error is displayed when a PTT is attempted on a disabled channel.

“*** ERROR ***” “LINE NOT IDLE”

"E" This run-time error is displayed when a PTT is attempted when a parallel transmission is detected and the Global Setting "Parallel override" is not enabled.

“*** ERROR ***” “PTT PROCESSING”

"E" This run-time error is displayed when an error occurs during the PTT process.

N/A

"-" Channel too high for 8-segment display to show properly.

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PARTS LIST

24-67 Base Board 101-2467PRT1

Item Reference Description Part No. Qty.

1 C1,2,3,17,34,39,52,

63,69,71,72,74,75,82, 84,86,97,99,100,103, 107,109,110,113,114, 115,116,117,118,119, 120,122,124,126,127, 128,129,131,134,136, 140,142,143,144,146, 147,148,153,154,155, 156,158,159,160,161, 164,165,166,168,169, 171,173,175,177,180, 181,182,183,184,192, 193,194,195,197,201, 202,203,205,206,207, 208,209,211,214,215, 216,218,219

.1uF 16V X7R CAP 375-2104 88

2 C4,7,8,9,10,12,13,14, 27,31,32,66,70,76,77, 89,90,91,92,93,94,95, 96,111,112,121,123, 125,130,133,135,145, 157,162,163,174,179, 190,191,199,204,217, 220

100pF 50V CAP 375-5101 43

3 C5,22,78 1uF 50V ELEC CAP 381-5105 3 4 C6,11,19,20,23,42,56,

57,200 22pF 50V NPO CAP 373-5220 9

5 C15,16,68,85,101,108 470uF 25V ELEC CAP 381-3471 6 6 C18,30,33 2.2uF 35V ELEC CAP 381-42R2 3 7 C21,35,58,59,61,98 10uF 16V ELEC CAP 381-2100 6 8 C24 47uF 25V ELEC CAP 381-3470 1 9 C25,43,48,53,150,152,

172,187 .47uF 16V Y5V CAP 375-2474 8

10 C26,132 1000pF 50V X7R CAP 375-5102 2 11 C28,29,37,38,40,41,

45,46,50,51 10000pF 100V CAP 372-7103 10

12 C36,176,210,212,213 .22uF 16V Y5V CAP 375-2224 5 13 C44,47,49,54,55,62,

104 1uF 35V TANT CAP 392-4105 7

14 C60,138,196 330pF 50V CAP 375-5331 3 15 C64,65 18pF 50V CAP 375-5180 2 16 C67 2700pF 50V X7R CAP 375-5272 1

30

17 C73,137,139,167,170,

185,186,188,189 2.2uF 16V X5R CAP 375-22R2 9

18 C79,80 33pF 50V NPO CAP 375-5330 2 19 C81,83,102,141 .01uF 50V X7R CAP 375-5103 4 20 C87,88,106 47uF 16V ELEC CAP 381-2470 3 21 C105 47uF 6.3V ELEC CAP 381-0470 1 22 C151,198 1uF 16V X7R CAP 375-2105 2 23 D1,2 MMSZ5248B 18V ZEN DIODE 112-0301 2 24 D3,4,6,7,13 BAS21 200V SW DIODE 110-2203 5 25 D5 DDZ5V1B 5.1V ZEN DIODE 112-2403 1 26 D8 BZT52C3V3 3.3V ZEN DIODE 110-2150 1 27 D9,10 MMBD4148SE DIODE 110-2210 2 28 D11,16,17 SMA 30V 3A SCHOT DIODE 110-2305 3 29 D12,18 SS24 SCHOT DIODE 110-2304 2 30 D14,15 SUPER RED 0603 LED 112-0201 2 31 F1 FUSE RESETABLE 2.5A 290-1003 1 32 J1 INSERT CKFE440-4 200-0306 1 33 J2 2 POS .156 POST CONN 231-1067 1 34 J4 5 POS POST CONN 231-1005 1 35 J5 UNIVERSAL 8 TO 6 JACK 231-0007 1 36 J6 6 POS MODULE JACK 234-0066 1 37 J7 R/A POWER CONN 234-0114 1 38 J8 4 POS .1 LOCK HDR CONN 234-0014 1 39 J9 FT PTT JACK 3.5MM CONN 234-0085 1 40 J10 16 PIN DIP SOCKET 220-0001 1 41 J11 4 POS MODULE JACK 231-0021 1 42 J12 20 POS .100 HDR CONN 231-1091 1 43 J13 7 POS .1 LOCK HDR CONN 234-0006 1 44 J14 HEADSET JK 2.5MM CONN 234-0116 1 45 J15 6 POS POST CONN 231-1006 1 46 J18 SPEAKER JK 3.5MM CONN 234-0091 1 47 JP1,2,3,4,5,6,7,8,9,10,

11,12,13,14,15,16,17, 19

2 POS GOLD POST CONN 231-1002 18

48 JP18 4 POS LOCKING CONN 234-0014 1 49 L1 47.00uH POWER IND 306-3001 1 50 L2 33.00uH POWER IND 306-3002 1 51 MK1 EM-80 MIC ELEMENT 901-0010 1 52 Q1,2,3,4,5,6 MMBT4401-7-F TRANS 110-2206 6 53 Q7,8 2N7002 TRANS 180-1003 2 54 R1 50K SLIDE/AUDTAP POT 340-0003 1 55 R2,12,73,74,133 100 1% 1/16 W RES 322-1000 5 56 R3,113,123,149 6.8K 5% 1/10 W RES 323-1682 4 57 R5,7,8,9,10,13,14,15

16,18,20,48,49,61,62 65,71,79,80,81,83,85 88,92,95,97,99,103 107,118,120,128,129 136,138,141,155,156 157,159,160,161,162 164,165

10K 5% 1/10 W RES 323-1103 45

31

58 R6,17,33 75K 5% 1/10 W RES 323-1753 3 59 R11,41,55,58,63,68,69

75,76,98 1K 5% 1/10 W RES 323-1102 10

60 R19,45,46,47,70,72 137,139,171

0 5% 1/10 W RES 323-0000 9

61 R21,112 1.78K 1% 1/16 W RES 322-1781 2 62 R22 620 5% 1/10 W RES 323-1621 1 63 R23,143,146,154,166

170 12K 5% 1/10 W RES 323-1123 6

64 R24,42,54,56,96,140 4.7K 5% 1/10 W RES 323-1472 6 65 R25,50 680 5% 1/10 W RES 323-1681 2 66 R26,147 2.67K 1% 1/16 W RES 322-2671 2 67 R27,109,110,144 46.4K 1% 1/16 W RES 322-4642 4 68 R28,29,32,39,40 2K 22 T TOP ADJ POT 352-0004 5 69 R30 22K 5% 1/10 W RES 323-1220 1 70 R31,108,134,145,158

167,168,169 24K 5% 1/10 W RES 323-1243 8

71 R34 1K 1% 1/4 W RES 326-1001 1 72 R35,36 9.31K 1% 1/4 W RES 326-9311 2 73 R37,52,135,153 10 5% 1/10 W RES 323-1100 4 74 R38,51,82 33K 5% 1/10 W RES 323-1333 3 75 R43,93 470K 5% 1/10 W RES 323-1474 2 76 R44,59 1M 1% 1/16 W RES 322-1004 2 77 R53 27K 5% 1/10 W RES 323-1273 1 78 R57 390K 5% 1/10 W RES 323-1394 1 79 R60 7.15K 1% 1/4 W RES 326-7151 1 80 R77,78 2K 5% 1/10 W RES 323-1202 2 81 R84,126 3.0K 5% 1/10 W RES 323-1302 2 82 R86 4.7M 5% 1/10 W RES 323-1475 1 83 R87,104 330 5% 1/10 W RES 323-1331 2 84 R89 330K %5 1/10 W RES 323-1334 1 85 R90 6.8M 5% 1/10 W RES 323-1658 1 86 R91,94,114,121,150 3.9K 5% 1/10 W RES 323-1392 5 87 R100,125,132 220K 5% 1/10 W RES 323-1224 3 88 R101,102,152 100K 5% 1/10 W RES 323-1104 3 89 R105,106 10.0K 1% 1/16 W RES 322-1103 2 90 R111,148 7.32K 1% 1/16 W RES 322-7321 2 91 R115 2.2K 5% 1/10 W RES 323-1222 1 92 R117,119,122 7.15K 1% 1/16 W RES 322-7151 3 93 R124 750K 1% 1/16 W RES 322-7503 1 94 R127 40.2K 1% 1/16 W RES 322-4022 1 95 R130 11.8K 1% 1/16 W RES 322-1182 1 96 R131 374K 1% 1/16 W RES 322-3743 1 97 R142,151 6.2K 5% 1/10 W RES 323-1622 2 98 R163 51K 5% 1/10 W RES 323-1510 1 99 SG1,2,3,4 SMCJ30C 30V DIODE 112-0401 4

100 SW1,2,3 2.36 MM TACT SWITCH 616-0003 3 101 T2 AUDIO TRANSFORMER 410-0006 1 102 T3 AUDIO TRANSFORMER 410-0005 1

32

103 TP1,2,11,12,13,14,15

16,17,18,19 TEST POINT 200-0013 11

104 U1,4,5,6,10,12 TL064ID, IC 131-1098 6 105 U2,23,43 UMG2N, IC 131-5018 3 106 U3 TPA1517DWPR, IC 131-1061 1 107 U7,16,22,44,45 ADG444BRZ, IC 131-1096 5 108 U8,9,13 AD5263BRUZ50, IC 131-7003 3 109 U11 LM2903M, IC 131-1094 1 110 U14,21 LMH6639MF/NOPB, IC 131-5013 2 111 U15 SA572D, IC 131-1038 1 112 U18 ATTINY84-20SSU, IC 131-1097 1 113 U19 MX803ADW, IC 131-1099 1 114 U20 LM2673S-ADJ, IC 131-4001 1 115 U24 MT88L89, IC 131-1038 1 116 U26 LM2937IMP-10, IC 131-5010 1 117 U27 LM2673S-3.3, IC 131-4002 1 118 U28,30 SN74LVC2G240DCTR, IC 131-7005 2 119 U29 SN74AHC1G02DBVR, IC 131-5014 1 120 U31 74HC373, IC 131-1022 1 121 U32 SN74LVC2G34DBVR, IC 131-5016 1 122 U34, 35 SN74LVC1G175DBVR, IC 131-5012 2 123 U36 LM1086IS-5.0, IC 131-4003 1 124 U37 SN74AHC1G32DBVR, IC 131-5015 1 125 U38 LM2937IMP-5.0, IC 131-5011 1 126 U39 XC9572XL-10PC44C, IC 131-3010 1 127 U40 FM24CL64B-GTR, IC 131-1102 1 128 U41 PIC24FJ128GA006, IC 131-8000 1 129 U42 MAX 6412, IC 131-5017 1 130 Y1 3.579545 MHZ LO, CRYSTAL 305-0106 1 131 Y2 4.00 MHZ 20 PF, CRYSTAL 305-0108 1 132 RUBBER ELEMENT HOLDER 901-0011 1 133 24-67 BASE PC BOARD 900-0310 1

24-67 MSK Control Option 106-MSK67OPT


1 U25 MX429, IC 131-3003 1 2 U33 74LVC4245A, IC 131-5019 1 3 Y3 4.00 MHZ 20 PF, CRYSTAL 305-0108 1

33

Supervisory/Alternate Line Option 431-RBC-712


1 K1 4PDT RELAY 700-0001 1

Keypad Board 101-0316


1 C1,2 10uF 16V ELEC CAP 381-2106 2 2 C3 10uF 16V TANT CAP 381-2106 1 3 C4,6 NOT INSTALLED 000-0002 2 4 C5 .1uF 16V 10% MONO CAP 375-2104 1 5 D1 NOT INSTALLED 000-0002 1 6 D2,3,4,5,6,7,8,9,10,

11,12,13 LED, T-1 RED 112-0012 12

7 D14 LED, RED HIGH INTENSITY 112-0024 1 8 J1,2,3,4 NOT INSTALLED 000-0002 4 9 J5 16 POS CABLE 8” 222-0025 1

10 JP1,2 STAPLE JUMPER 265-0016 2 11 R1,6 220 1 W RES 314-1224 2 12 R2 1.2K 5% 1/10 W RES 323-1122 1 13 R3,5,7 10K 5% 1/10 W RES 323-1103 3 14 R4 33K 5% 1/10 W RES 323-1333 1 15 R8 NOT INSTALLED 000-0002 1 16 U1 MAX7219, IC 131-1108 1 17 U2 NOT INSTALLED 000-0002 1 18 KEYPAD PC BOARD 900-0316 1

VU Meter Option (New)


1 D1,2 10 SEGMENT BAR LED 112-0027 2 2 P1 12 POS HEADER POST 231-3315 1 3 U2 LM3915 IC 130-0372 1 4 PLASTIC STANDOFF .125" 200-0388 2 5 VU METER PC BOARD 900-0281 1

Clock Option


1 J4 24 PIN DIP SOCKET 220-0019 1 2 J4 LED CLOCK DISPLAY 113-0098 1

34

Frequency Display Option


1 D1 7 SEG RED, DISPLAY 113-0099 1 2 D1 14 PIN DIP SOCKET 220-0002 1 3 J2 6 POS BOTTOM ENTRY CON 231-1116 2

LCD Option

Item Reference Description Part No. Qty. 1 C4,6 .1uF 16V 10% MONO CAP 375-2104 2 2 J1 6 POS RECEPTACLE 231-1116 2 3 J3 8 POS RECEPTACLE 231-3008 2 4 R8 10K 1 TURN POT 351-1103 1 5 U2 74HC595, IC 131-1107 1 6 LCD 32 CHARACTER 113-0106 1 7 PLASTIC STAND OFF 1/8” 200-0311 4 8 16 POS HEADER POST 231-3116 1

DC Power Cable Option

Item Description Part No. Qty.

1 2 POS .156 RECEPTACLE 233-0024 1 2 CABLE TIE (SHORT) 200-0081 1 3 2 COND. 20ga. CABLE 800-1106 5’

External Encode/Decode Cable Option 431-RBC-702


1 CABLE TIE (SHORT) 200-0081 1 2 9 COND. 22ga. CABLE 222-0034 3’ 3 7 POS .1” RECEPTACLE 234-0007 1

35

Phone Cable Option

Item Description Part No. Qty. 1 4 POS. MODULAR PLUG 231-0006 2 2 WIRE 4 CON, TELE. FLAT 800-1002 10’

Programming Cable Option 431-RBC-003


1 C1,2,3,4 10uF TANT CAP 390-9106 4 2 J1 IDC PC MOUNT PIN 231-0041 4 3 J2 DB25 W/FEMALE PIN 231-0022 1 4 U1 MAX232, IC 130-0235 1 5 DB25 HOOD COVER 231-0046 1 6 CABLE ASSEMBLY 800-2027 1 7 PROGRAMMING CABLE PCB 900-0215 1

Desk Mic Option


1 DESK MIC 900-0399 1 2 CABINET TOP 900-0802 1

Hand Set Option


1 HOLE COVER 199-6137 1 2 CABLE TIE (SHORT) 200-0081 2 3 SENSOR SWITCH 611-0027 1 4 HAND SET 900-0020 1 5 CABINET TOP 900-0801 1

DTMF Pad Option


1 5 POS RECEPTACLE 233-0035 1 2 DTMF KEYPAD 903-0006 1

36

Wall Mount Option


1 #6 X 1/4” SF THRD SCREW 199-4039 4 2 #6 X 1” WALL SCREW 199-4011 4 3 WALL ANCHOR 199-4012 4 4 WALL MOUNT BRACKET 900-5112A 1

24-67 Base Cabinet


1 NUT PAL 199-0040 4 2 #6 FLAT WASHER 199-2106 2 3 6-32 X 1/4” SCREW 199-3070 1 4 #4 X 1/4” TAP SCREW 199-4029 9 5 #6 X 3/8” TAP SCREW 199-4038 7 6 #6 X 1/4” TAP SCREW 199-4039 6 7 6 KEY, KEYPAD 203-0032 1 8 3 KEY, KEYPAD 203-0033 2 9 3/8” FOOT 203-1053 4

10 22 AWG WIRE GREEN 222-0016 6” 11 22 AWG WIRE YELLOW 222-0018 6” 12 4 POS RECEPTACLE 233-0045 1 13 REMOTE BUTTON 900-0805 12 14 12 KEY PANEL SCREENED 900-0803S 1 15 BOTTOM CABINET 900-0800 1 16 CRYSTAL for LCD 900-0737 1 17 WEIGHT VoIP 900-5008C 1 18 3W 4ohm SPEAKER 901-0004 1 19 WALL TRANSFORMER 902-0015 1

37

TEST MODE APPENDIX

Keypad Layouts

The 24-67 Test Mode uses different keypad layouts to accept input from the User. The following are the non-test specific keypad layouts:

General Keypad Layout

The General Keypad Layout is used when referencing the keypad by key number. Key 1 Key 2 Key 3

Key 4 Key 5 Key 6 Key 7 Key 8 Key 9 Key 10 Key 11 Key 12

Selection Keypad Layout

The Selection Keypad Layout is used when selecting values from a list.

Up Down Cancel Ok

• Up increases a value or moves up in the list of options

• Down decreases a value or moves down in the

list of options.

• Cancel stops the current operation.

• Ok stops the current operation and saves the result if possible. It is also used to answer a Yes or No question as Yes.

Entering Test Mode

The Test Mode is included in the application code. The Test Mode is reached in one of two ways:

• Press Key 1 and Key 3 simultaneously before the main run-mode screen is displayed.

• Press PCB switch SW2 at any time the unit is operating.

38

Test Mode Main Menu

When entering Test Mode or returning from a Test Menu Item, “Choose Test” will be displayed on the 24-67 LCD Display. At this point, all outputs will be off. The audio gates will be set to allow audio from the line to the audio processors. All other gates will be off. Select a test by pressing its corresponding number using the General Keypad Layout.

1. I/O Tests 2. Adjust Pots 3. Sequential Tone Encode 4. Tone Encode 5. DTMF Encode (DTMF is not available with product Rev.C and newer units) 6. Sequential Tone Decode 7. DTMF Decode (DTMF is not available with product Rev.C and newer units) 8. Serial Port 9. Set Parameters 10. Reset to Defaults

I/O Tests

This is a series of short tests to test the inputs and outputs of the 24-67, as well as insure that the rest of the tests operate smoothly. This test is entered by pressing Key 1 from the main test menu.

Test Outputs

This is the first of the I/O tests. To skip this test, press Ok using the Selection Keypad Layout while the display shows “SKIP TEST?” The test will be entered if any other key, or approximately 5 seconds has passed with no key activity. The LCD display will show “TEST OUTPUTS” upon entering this test. While the test is running, the outputs below will alter states, once per second.

State #1 State #2 LED_1 On LED_1 Off LED_2 Off LED_2 On TEST_OUT_1 On TEST_OUT_1 Off TEST_OUT_2 Off TEST_OUT_2 On Relay Active Relay Inactive

This test will complete automatically after the defined number of iterations has been executed. To exit the test manually, press any keypad button.

An error will be displayed if communications with IC’s required to execute this test fail.

39

Test SW1 & SW2

This is the second of the I/O tests. It is entered at the successful completion of the previous test. To skip this test, press Ok using the Selection Keypad Layout while the display shows “SKIP TEST?” The test will be entered if any other key, or approximately 5 seconds has passed with no key activity. The outputs from the previous test will change depending on the state of SW1 and SW2. The LCD display will show “Test SW1 & SW2” during this test.

SW1 Pressed SW2 Pressed Neither Pressed LED_1 On LED_2 On LED_1 & LED_2 Off TEST_OUT_1 On TEST_OUT_2 On TEST_OUT_1 & TEST_OUT_2 Off Relay Active Relay Inactive

This test will automatically end after changes in SW1 and SW2 are not detected for 15 seconds. To exit the test manually, press both SW1 and SW2 simultaneously. To pass this test, each of the PCB switches, SW1 and SW2, must have been detected as both pressed and released.

Test PTT I/O

This is the third of the I/O tests. It is entered if there were no errors in the previous tests. To skip this test, press Ok using the Selection Keypad Layout while the display shows “SKIP TEST?” The test will be entered if any other key, or approximately 5 seconds has passed with no key activity. During this test, the LCD display will show “PTT IO TEST” on the top line. The LED_1 and the LCD display’s bottom line will show which inputs are active.

Handset PTT / DeskMic PTT Active

Encode/Decode Header PTT Input Active

Footswitch PTT Active

All PTT Inputs Inactive

LED_1 On LED_1 On LED_1 On LED_1 Off “LOC” “ENC” “FT” -

This test will automatically end after any of the inputs in this test have not changed state for 15 seconds. To exit the test manually, press both SW1 and SW2 simultaneously or press any keypad button. To pass this test, each of the inputs in this test must have been detected as both active and inactive.

40

Hookswitch Test

This is the fourth of the I/O tests. It is entered if there were no errors first two tests. To skip this test, press Ok using the Selection Keypad Layout while the display shows “SKIP TEST?” The test will be entered if any other key, or approximately 5 seconds has passed with no key activity. During this test, the LCD display will show “TEST HOOK SWITCH” on the top line. The LED_2 and the LCD display’s bottom line will if the input is active.

Handset Hook Active

Handset Hook Inactive

LED_2 On LED_2 Off “ACTIVE” -


Monitor Test

This is the fifth of the I/O tests. It is entered if there were no errors first two tests. To skip this test, press Ok using the Selection Keypad Layout while the display shows “SKIP TEST?” The test will be entered if any other key, or approximately 5 seconds has passed with no key activity. During this test, the LCD display will show “TEST MONITOR” on the top line. The LED_2 and the LCD display’s bottom line will show which inputs are active.

Deskmic Monitor Active

Deskmic Monitor Inactive

LED_2 On LED_2 Off “ACTIVE” -


41

Keypad Test

This is the last of the I/O tests. At the start of this test, the LCD display will show “Test Keypad. Press all keys”. All of the keypad button LEDs will be off. The faceplate’s transmit light will be on throughout this test. When a keypad button is pressed, the LED next to the key will on for the remainder of the test. This test will automatically end after a change in the keypad is not detected for 15 seconds. To exit the test manually, and to pass this test, each of the keypad buttons must have been pressed. If all keypad buttons have not been pressed, the LEDs remain unchanged until the error is cleared.

Adjust Pots

This test is entered by pressing Key 2 from the main test menu. In addition to the General Keypad Layout, this test also uses the following keypad mappings:

Source Adjust Keypad Layout

The Source Adjust Keypad Layout is used when the adjustment allows changing which source is used in adjusting the pot. A ‘S’ will show on the lower right of the LCD display to show that the Source Adjustment Keypad Layout is in effect. The LED next to the source button will be illuminated to show which source paths are active. Note that some adjustments disable some of the source options and will be enumerated in that adjustment description.

• Value Up increases the pot’s value. Holding this key down will continue to increase the pot’s value.

• Value Down decreases the pot’s value. Holding this key down will continue to increase the pot’s value.

Value Up Line Receive Internal Mic Value Down Headset Mic Handset Mic Cancel DTMF Encoder Tone Encoder Save MSK Encoder Encode/Decode

Header Audio

• Cancel leaves the adjustment. The pot will be set to the last value saved. • Save stores the current value in non-volatile memory before leaving the

adjustment. • Line Receive selects line audio from J5/J6 as a source signal. By default, the

adjustment will use the two or four wire mode setting stored in non-volatile memory. Exceptions will be noted in the adjustment description.

• Headset Mic selects J14-2 as a source signal. • DTMF Encoder selects U24 as a source signal. A DTMF tone ‘1’ is generated. • MSK Encoder will be developed in a future release. • Internal Mic selects MK1 as a source signal. • Handset Mic selects J11-4 as a source signal.

42

Source Adjust Keypad Layout (cont.)

• Tone Encoder selects U19 as a source signal. If Guard Tone is required for the adjustment, a 2175 Hz tone is generated. If Guard Tone is not required for the adjustment, a 1050 Hz tone is generated.

• Encode / Decode Header Audio selects J13-5 as a source signal.

Destination Adjust Keypad Layout

The Destination Adjust Keypad Layout is used when the adjustment allows changing which destination to use when adjusting the pot. A ‘D’ will show on the lower right of the LCD display to show that the Destination Adjust Keypad Layout is in effect. The LED next to the destination button will be illuminated to show which destination paths are active. Note that some adjustments disable some of the destination options and will be enumerated in that adjustment description.

• Value Up increases the pot’s value. Holding this key down will continue to increase the pot’s value.

• Value Down decreases the pot’s value. Holding this key down will continue to increase the pot’s value.

Value Up Line Transmit Speaker Value Down Headset Ear Handset Ear Cancel Save

• Cancel leaves the adjustment. The pot will be set to the last value saved. • Save stores the current value in non-volatile memory before leaving the

adjustment. • Line Transmit selects line audio to J5/J6 as a destination for the signal. • Headset Ear selects J14-4 (Headset Earpiece) as a destination for the signal. • Speaker selects J8 and J18 as a destination for the signal. Note that this

destination is dependent on the setting of JP2 and JP18. • Handset Ear selects J11-2 (Handset Earpiece) as a destination for the signal,

regardless of the corresponding configuration value stored in non-volatile memory.

Pot Selection

Select a pot to adjust by pressing its corresponding number using the General Keypad Layout.

1. Internal Mic (U13B) 2. Handset Mic (U13C) 3. Transmit Audio (U9C) 4. DTMF Encoder (U9D) 5. Tone Encoder (U9B) 6. MSK Encoder (U9A) 7. 2 Wire (U8C) 8. 4 Wire (U8B) 9. Speaker (U8A) 10. Headset Ear (U8D) 11. Handset Ear (U13D) 12. 2175Hz Detect (U13A)

43

Adjusting Internal Mic (U13B)

This adjustment is reached by pressing Key 1 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout. The signal source for this adjustment is Internal Mic.

Adjusting Handset Mic (U13C)

This adjustment is reached by pressing Key 2 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout. The signal source for this adjustment is Handset Mic.

Transmit Audio (U9C)

This adjustment is reached by pressing Key 3 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses both the Source Adjustment Keypad Layout when the Handset/Deskmic PTT line (J11-3) is inactive. It uses the Destination Adjust Keypad Layout when the Handset/Deskmic PTT line (J11-3) is active.

DTMF Encoder (U9D)

This adjustment is reached by pressing Key 4 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout without the ability to turn off the destination Line Transmit. The signal source for this adjustment is DTMF Encoder. A DTMF ‘1’ is encoded continuously during this adjustment.

Tone Encoder (U9B)

This adjustment is reached by pressing Key 5 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This pot operates using two separate values, one when encoding Guard Tone, and another when encoding Function Tone. The LCD display will show “GUARD TONE?” Press ‘Ok’ using the Selection Keypad Layout to enter the Guard Tone Level Adjustment. Any other key will enter the Function Tone Level Adjustment.

Guard Tone Level Adjustment This adjustment is reached by pressing ‘Ok’ when the LCD display shows “GUARD TONE?” This adjustment uses the Destination Adjust Keypad Layout, without the ability to turn of the destination Line Transmit. The signal source for this adjustment is Tone Encoder. A 2175 Hz tone is generated by the Tone Encoder (U19) during this adjustment.

Function Tone Level Adjustment This adjustment is reached by pressing any key other than ‘Ok’ when the LCD display shows “GUARD TONE?” This adjustment uses the Destination Adjust Keypad Layout, without the ability to turn off the destination Line Transmit. The signal source for this adjustment is Tone Encoder. A 1050 Hz tone is generated by the Tone Encoder (U19) during this adjustment.

44

MSK Encoder (U9A)

This adjustment is reached by pressing Key 6 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout, with Line Transmit, Headset Ear, Speaker, and Handset Ear disabled. This adjustment will be refined in a future version of the 24-67.

2 Wire (U8C)

This adjustment is reached by pressing Key 7 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout without the ability to set the destination to Line Transmit. The signal source for this adjustment is Line Receive. The Two wire mode will be used for this test regardless of the setting stored in non-volatile memory.

4 Wire (U8B)

This adjustment is reached by pressing Key 8 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Destination Adjust Keypad Layout without the ability to set the destination to Line Transmit. The signal source for this adjustment is Line Receive. The Four wire mode will be used for this test regardless of the setting stored in non-volatile memory.

Speaker (U8A)

This adjustment is reached by pressing Key 9 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Source Adjust Keypad Layout. The destination for this adjustment is Speaker.

Headset Ear (U8D)

This adjustment is reached by pressing Key 10 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Source Adjust Keypad Layout. The destination for this adjustment is Headset Ear.

Handset Ear (U13D)

This adjustment is reached by pressing Key 11 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Source Adjust Keypad Layout. The destination for this adjustment is Handset Ear.

2175Hz Detect (U13A)

This adjustment is reached by pressing Key 12 when the “POT TO ADJUST?” menu item is displayed on the LCD display. This adjustment uses the Source Adjust Keypad Layout with only ‘Value Up’, ‘Value Down’, ‘Cancel’, and ‘Save’ enabled. The signal source for this adjustment is Line Receive.

45

Sequential Tone Encode

This test is entered by pressing Key 3 from the main test menu. The top line on a LCD display will show “Seq. Tone Encode”. The second line will show the last sequential tone update that was sent to the line. Note that the nature of the sequential tone update is affected by the settings stored in non-volatile memory. The Selection Keypad Layout is used in this test.

• Up and Down cycle through the list of standard Function Tones. The tone update for the selected Function Tone will be sent immediately.

• Cancel and Ok leave the test.

Additionally, the PTT inputs are used in this test. A tone update with Hold Tone will be encoded using the displayed Function Tone when one of the PTT inputs are active. When Hold Tone is present, the appropriate audio source is activated. The footswitch PTT input will use the internal microphone, regardless of the setting in non-volatile memory. Hold Tone will stop being encoded when all PTT inputs are inactive.

Tone Encode

This test is entered by pressing Key 4 from the main test menu. The top line on a LCD display will show “Test Tone Encode” though out this test. The Selection Keypad Layout is used in this test.

• Up and Down cycle through the list of tones. The following is the list of tones available for encoding by this test.

o Guard Tone: A 2175 Hz tone will be encoded out U19-16 to the line

using the pot value for Guard Tone. The LCD display will show “ENCODING GUARD” on the second line.

o Function Tone: A 1050 Hz tone will be encoded out U19-16 to the line using the pot value for Function Tone. The LCD display will show “ENCODING FUNCT.” on the second line.

o Hold Tone: A 2175 Hz tone will be encoded out U19-17 to the line using the pot value for Guard Tone. The LCD display will show “ENCODING HOLD” on the second line.

• Cancel or Ok are used to exit the test.

DTMF Encode

This test is entered by pressing Key 5 from the main test menu. The LCD display will show “TEST DTMF ENCODE”. During this test, the DTMF tone ‘1’ is sent to the line and the speaker. Press any key to exit this test.

46

Sequential Tone Decode

This test is entered by pressing Key 6 from the main test menu. The LCD display will show “TEST Seq. Tone” at the start of this test. Upon reception of a tone update, the LCD display will show “SEQ. TONE DECODE” on the first line and the tone decoded on the second line. Note that the nature of the tone received and displayed is dependent on the settings stored in non-volatile memory. Press any key to exit this test.

DTMF Decode

This test is entered by pressing Key 7 from the main test menu. The LCD display will show “TEST DTMF DECODE”, “ANY KEY EXITS”. Upon reception of a DTMF from the line, the tone will be present at the speaker and handset earpiece. The LCD display will show “TEST DTMF DECODE” on the top line, followed by the last 16 DTMF characters that were decoded. Press any key to exit this test.

Serial Port

This test is entered by pressing Key 8 from the main test menu. The LCD display will show “TEST SERIAL”, “ANY KEY EXITS”. To execute this test, connect the programming cable to J5 and open a terminal program such as HyperTerm. Set the terminal program’s comport settings for 19200 baud, 8N1. All characters sent via the terminal program will be echoed back through the comport, preceded by a space. Press any key to exit this test.

47

Set Parameters

This test mode option is entered by pressing Key 9 from the main test menu. The LCD display will show “Set Parameters”, “APPLIED ON SAVE”. The keypad layout for this test is shown in the following table.

• 4 Wire Mode: This key adjusts the current setting for the wire mode. If the LED is on, 4 Wire Mode is on. If the LED is Off, 2 Wire Mode is on. Press this key to toggle this setting.

4 Wire Mode Speaker AGC Processor AGCUse Deskmic Full Duplex Cancel Save

• Speaker AGC: This key adjusts the current setting for Speaker AGC. If the LED

is on, the AGC is enabled for the speaker circuit. If the LED is off, AGC will be bypassed going to the speaker circuit. Press this key to toggle the Speaker AGC setting.

• Processor AGC: This key adjusts the current setting for the Audio Processor

Circuit AGC. If the LED is on, the AGC is enabled for the audio processors. If the LED is off, AGC will be bypassed going to the speaker circuit. Press this key to toggle the Processor AGC.

• Use Deskmic: This key adjusts the current setting for using the Deskmic. If the LED is on, the 24-67 expects a desk microphone to be connected to J11. If the LED is off, the 24-67 expects a handset to be connected to J11. Press this key to toggle using the Deskmic.

• Cancel: Press this key to abort this test mode option. Nothing will be written to non-volatile memory.

• Save: Press this key to save the settings displayed to non-volatile memory. The 24-67 will restart after the settings are saved.

Reset to Defaults

This test is entered by pressing Key 10 from the main test menu. The LCD display will show “DEFAULT PARAMETERS?” To reset the configuration values to their default settings, press “Ok” using the Selection Keypad Layout. The 24-67 will restart after the configuration values are written to non-volatile memory. To exit this test mode option without resetting the parameters to their default settings, press any key other that “Ok”.

48

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

5V

12V5

12V

3V312V

12V+10V +5VREF

GNDA

GNDPA GNDA

12V

Title

Size Document Number Rev

Date: Sheet of

900-0310 B

24-67B

Tuesday, July 31, 2012 81

Title


Date: Sheet of

900-0310 B

24-67B


Title


Date: Sheet of

900-0310 B

24-67B


Power Supply

Tantalum

Earth ground connection point to be inclose proximity to SG1, SG2, SG3, & SG4.

D11

SCHOTTKY 30V 3A SMA

D11

SCHOTTKY 30V 3A SMA

+C85

470uF_25V

+C85

470uF_25V

+C87

47uF_16V

+C87

47uF_16V

SH1

J1

EARTH

J1

EARTH

+

C68470uF_25V

+

C68470uF_25V

L2 33.00uHL2 33.00uH

C69.1C69.1

+ C101

470uF_25V

+ C101

470uF_25V

21

D18

SS24 SCHOTTKY

D18

SS24 SCHOTTKY

C81.01

C81.01

+C104

1uF_35V

+C104

1uF_35V

C109.1

C109.1

R359.31K 1% 1/4WR359.31K 1% 1/4W

C100

.1

C100

.1

C83.01C83.01

D17SCHOTTKY 30V 3A SMA


C107.1C107.1

+C106

47uF_16V

+C106

47uF_16V

C82.1C82.1

C86.1C86.1

123

J7

RAPC722

J7

RAPC722

TP12VTP12V

Sw Out 1

Boost 3

Feedback 6

Gnd

4

Current Adj5

Soft Start7

Vin2

GND TAB

8

U27LM2673SX-3.3VU27LM2673SX-3.3V



R341K 1% 1/4WR341K 1% 1/4W

C66100pFC66100pF

12

J2640445-2J2640445-2

R45

0

R45

0

C672700pFC672700pF

+C88

47uF_16V

+C88

47uF_16V

C103.1C103.1

21

D12SS24 SCHOTTKYD12

SS24 SCHOTTKY

R47

0

R47

0

R607.15K 1% 1/4WR607.15K 1% 1/4W

IN1

GND

2

OUT 3

GND

4

U26LM2937IMP-10U26LM2937IMP-10

R46

0

R46

0

TP5REFTP5REF

TP3V3TP3V3

Sw Out 1

Boost 3

Feedback 6

Gnd

4

Current Adj5

Soft Start7

Vin2

GND TAB

8

U20LM2673S-ADJU20LM2673S-ADJ

GND

1

VOUT 2VIN3

VOUT2 4

U38LM1086IS-5.0U38LM1086IS-5.0

C84.1C84.1

C102

.01

C102

.01

IN1

GND

2

OUT 3

GND

4

U36LM2937IMP-5.0U36LM2937IMP-5.0

R369.31K 1% 1/4WR369.31K 1% 1/4W

1 2

JP1EARTH_GNDJP1EARTH_GND

TP12V5TP12V5

F1MF-MSMF250/16

F1MF-MSMF250/16

C110.1C110.1

TP10VTP10V

+ C108

470uF_25V

+ C108

470uF_25V

+C105

47uF_6.3V

+C105

47uF_6.3V

L147.00uHL147.00uH

TP5VTP5V

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

PGDPGC

PGDPGC

MCLR-

D7D6D5D4D3D2D1D0

A3A2

A1A0

BUS_CS-

D0D1D2

D4D5D6D7

D3

OUTS_CS

OUTS_CS

BUS_CS-COL0

COL1A0

A1

KEY_DATA

ROW0ROW1ROW2

KEY_ROW3

KEY_ROW0ROW3

KEY_COL2

KEY_CLK

KEY_COL1

COL2

KEY_ROW1KEY_ROW2

A2A3

KEY_COL0

KEY_DATAKEY_CLK

ROW0ROW1ROW2ROW3

COL0COL1COL2

MCLR-

3V3

3V3

3V3

3V3

GNDA

GNDA3V3

3V3

5V3V3

3V3

3V3

3V3

5V

5V5V

3V3

5V

5V

GNDA

GNDA

12V

5V

3V3

I2C_CLK_1

I2C_DAT_1

I2C_DAT_1I2C_CLK_1

TINY_RESET-

I2C_DAT_2I2C_CLK_2

LINE_DRIVER_EN-

RD-

TEST_CS-

WR-

SPKR_MUTE-

PROG_SERIAL_OUT

SUPR/ALT

DTMF_CS-

D[0..7]

TONE_INT-

DTMF_INT-

LOC_PTTLOC_HKSW

PROG_SERIAL_IN

TEST_SERIAL_IN

TEST_SERIAL_OUT

ENCODE_PTT

ENCODE_TX_AUD_EN-

A[0..3]

MSK_INT-

D[0..7]

MSK_CS-

RD-WR-

WR_5V-

A1_5V

A0_5V

KEYPAD_CLK

KEYPAD_DATA

A[0..3]

TEST_OUT_2TEST_OUT_1

LCD_EN-LED_EN-

FOOT_PTT

HEADSET_MIC_EN-

MSK_DIR

SPKR_ENCODE_EN-SPKR_DTMF_EN-

AUD_TX_EN-SPKR_TX_EN-

MSK_EN-

KEY_ROW[0..3]

KEY_COL[0..2]

SEL_4WIRE-SEL_2WIRE-AUD_DTMF_EN-AUD_ENCODE_EN-HANDSET_MIC_EN-INT_MIC_EN-

HEADSET_RX_EN-

Title


Date: Sheet of

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24-67B

Tuesday, August 07, 2012 82

Title


Date: Sheet of

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Title


Date: Sheet of

900-0310 B

24-67B


MICRO CONTROLLER

CH: 1 ADDR: 0X00

Do Not Populate

R74

100

R74

100

R10310KR10310K

C1321000pFC1321000pF

C114.1C114.1

C218.1

C218.1

A0 1A1 2A2 3

SDA5

SCL6

VSS

4VDD

8

WP 7

U40FM24CL64BU40FM24CL64B

RE5/PMD5 1RE6/PMD6 2RE7/PMD7 3

RG6/CN84

RG7/CN9/PMA45

RG8/CN10/PMA36

MCLR- 7RG9/CN11/PMA28

VSS1

9

VDD1

10

RB5/CN711RB4/CN612RB3/CN513RB2/CN414

PGC1/RB1 15PGD1/RB0 16

EMUC2/RB6 17EMUD2/RB7 18

AVDD

19

AVSS

20

RB8/U2CTS-21

RB922

TMS/RB10 23

SDA1 36

U1RTS-/RF6/INT0 35

TDO/RB11 24

SCL2 32

SDA2 31

RB15/CN12/PMA030RB14/U2RTS-/PMA129

TDI/RB13 28

TCK/RB12 27

VDD2

26

VSS2

25

U1TX 33U1RX 34

SCL1 37

VDD3

38

RC1239

RC1540

VSS3

41

RD8/INT142

U1CTS-/RD9/INT2 43

RD10/INT3/PMCS244

RD11/INT4/PMCS145

RD046

RC13/CN147

RC14/CN048

RD149

RD250

RD351

RE4/PMD4 64

RE3/PMD3 63

RE2/PMD2 62

RE1/PMD1 61

RE0/PMD0 60

RF159RF058

ENVREG 57

VDDCAP/VDDCORE 56

RD7/CN1655RD6/CN1554RD5/CN14/PMRD53RD4/CN13/PMWR52

U41PIC24FJ128GA006U41PIC24FJ128GA006

FB1MC21

FB1MC52

FB1MC63

FB1MC84

FB1MC9/GCK15

FB1MC11/GCK26

FB1MC14/GCK37

FB1MC158

FB1MC179

GND1

10

FB3MC2 11

FB3MC5 12

FB3MC8 13

FB3MC9 14

TDI 15

TMS 16

TCK 17

FB3MC11 18

FB3MC14 19

FB3MC15 20

VCCINT1

21

FB3MC17 22

GND2

23

FB2MC536FB2MC235

FB3MC16 24

VCCIO

32

GND3

31

TDO 30

FB4MC14 29FB4MC11 28FB4MC8 27FB4MC5 26FB4MC2 25

FB4MC15 33

FB4MC17 34

FB2MC637

FB2MC838

FB2MC9/GSR39

FB2MC11/GTS240

VCCINT2

41

FB2MC14/GTS142

FB2MC1543

FB2MC1744

U39XC9572XL-10PC44CU39XC9572XL-10PC44C

12

JP17

TINY_RESET

JP17

TINY_RESET

R71

10K

R71

10K

C131.1

C131.1

R691KR691K

R1710R1710

D03

D14

D27

D38

D413

D514

D617

D718

OE1G11

Q0 2

Q1 5

Q2 6

Q3 9

Q4 12

Q5 15

Q6 16

Q7 19

VCC

20

GND

10 U31

74HC373U3174HC373

R772KR772K

3

1

2

Q82N7002Q82N7002

RESET1

GND2

MR-3 SRT 4

VDD 5

U42MAX6412

U42MAX6412

C117.1C117.1

12345

J4

CON_PIC

J4

CON_PIC

C219.1

C219.1

IN11

GND

5

VSS

4

S1 3

D1 2VL

12

VDD

13

U45AADG444BRZ

U45AADG444BRZ

C115.1C115.1

C214.1

C214.1

C113.1C113.1

12

JP19

PIC_RESET

JP19

PIC_RESET

R700R700

+C98

10uF_16V

+C98

10uF_16V

3

1

2

Q72N7002

Q72N7002

C125100pFC125100pF

C126.1

C126.1

R761KR761K

C129.1

C129.1

123456

J15

CON_CPLD

J15

CON_CPLD

R751KR751K

TP8TP8

C127.1

C127.1

R73100R73100

R681KR681K

C118.1C118.1

R782KR782KR72

0R720

C128

.1

C128

.1

C116

.1

C116

.1

TP9TP9

312 4

SW3CK_KT11P2JM

SW3CK_KT11P2JM

C220100pFC220100pF

R65

10K

R65

10K

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

D0

D3D2D1

D7D6D5D4D3D2D1D0

MX803_IRQ-

MX803_IRQ-

A0

5V+10V

GNDA

GNDA

5V

5V

5V

5V

3V3 3V3

5V

5V

5V

5V

3V3 5V

AUD_ENCODE

TONE_HOLD_DETECT

TONE_GUARD_DETECT

I2C_CLK_2

I2C_DAT_2

TONE_INT-

TINY_RESET-

LINE_RX

LINE_RX_COMP

PROC_COMP_OFF

PROC_COMP_ON

TINY_MISO

AUD_DTMF

WR-DTMF_CS-RD-

D[0..7]

D[0..7]

AUD_MSK

MSK_CS-

MSK_INT-WR_5V-

A0_5VA1_5V

A[0..3]

DTMF_INT-

MSK_DIR

MSK_EN-

Title


Date: Sheet of

900-0310 B

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Thursday, November 01, 2012 83

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Date: Sheet of

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24-67B


Title


Date: Sheet of

900-0310 B

24-67B


The ATtiny84 Performs the following functions via the MX803J and detect level lines:1. Encodes updates to tone panel as dictated by the microcontroller.2. Decodes function tone sequences from the line and PTT on/offrequests and reports them to the microcontroller.

Audio Proc Interfaces

MSK_BAUD

C207

.1

C207

.1

R57

390K

R57

390K

TP6TP6

C142.1C142.1

IN2 16D215

S214

U7BADG444BRZU7BADG444BRZ

TP4TP4

TP7TP7

Y13.579545 MHzY13.579545 MHz

Y3

4MHz

Y3

4MHz

VCC

5

A017

A118

STRB19

R/W20

IRQ21

12/24

22

CDTC 6

X1 7

X2 8

RXAUD 3

NC 4

BIAS 1

D09

D110

D211

D312

D413

D514

D615

D716

TXAUD2

CLK 24

GND

23 U25

MX429U25MX429

C141

.01

C141

.01

VCCA

1

DIR 2

A0 3

A1 4

A2 5

A3 6

A4 7

A5 8

A6 9

A7 10

GND0

11

GND1

12

GND2

13

B714B615B516B417B318B219B120B021OE-22

VCCB1

23

VCCB2

24

U3374LVC4245A

U3374LVC4245A

R864.7MR86

4.7M

C8033pFC8033pF

IN1 1

GND

5

VSS

4

S13

D12 VL

12

VDD

13

U7AADG444BRZU7AADG444BRZ

C134.1C134.1

R591M

R591M

R843KR843K

C133100pFC133100pF

VSS

12

AUDIO SW11

AUDIO SW10

NC9

NC8

IRQ7

LOG IN6

COM DATA5

CS4

REP DAT3

XTAL2

XTAL1

SER CLK 23

NC22

SW SUM OUT 21

SUM OUT 20

SUM IN 19

CAL/CUES 18

T2 OUT 17

T1 OUT 16

VBIAS 15

SIG BIAS 14

RXAUD IN 13

VCC

24

U19

MX803ADW

U19

MX803ADW

+C54

1uF_35V+

C54

1uF_35V

C79

33pF

C79

33pF

+C78

1uF_50V

+C78

1uF_50V

12

JP11JP11R100220KR100220K

C154.1C154.1

C147.1

C147.1

R12740.2K 1%R12740.2K 1%

R8510KR8510K

Y2

4MHz

Y2

4MHz

C162100pFC162100pF

C130100pFC130100pF

C143.1C143.1

TP3TP3

C179100pFC179100pF

R12810KR12810K

R44

1M

R44

1M

R99

10K

R99

10K

C163100pFC163100pF

VCC1

PB02

PB13

PB25PB34

PA76

PA67 PA5 8PA4 9PA3 10PA2 11PA1 12PA0 13GND 14

U18ATtiny84V-20SSUU18ATtiny84V-20SSU

C140.1

C140.1

R101

100K

R101

100K

R131374K 1%R131374K 1%

C65

18pF

C65

18pF

C64

18pF

C64

18pF

R11810KR11810K

C161.1C161.1

R132220KR132220K

R13011.8K 1%R13011.8K 1%

C164.1C164.1

R102100KR102100K

TP5TP5

IN+1

IN-2

GS3

OSC16

OSC27

VREF4

VSS

5

D3 17

D2 16

D1 15

D0 14

EST 18

ST/GT 19

VDD

20

IRQ/CP 13

RD 12

RS0 11

TONE8

WR 9CS 10

U24MT88L89ASU24MT88L89AS

C181.1

C181.1

R12910KR12910K

C148

.1

C148

.1

C99.1

C99.1

C97.1C97.1

C205

.1

C205

.1

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

+10V

+10V

+10V

+5VREF

+5VREF

+5VREF

+5VREF

GNDA

GNDA

GNDA

GNDA

GNDA

3V3

3V3

GNDA

GNDA

GNDA

GNDA

+10V

+5VREF

GNDA

+10V

GNDA

5V

GNDA

5V

LINE_RX

TONE_GUARD_DETECT

TONE_HOLD_DETECT

I2C_CLK_1

I2C_DAT_1

PROC_COMP_OFF

PROC_COMP_ON

Title


Date: Sheet of

900-0310 B

24-67B

4 8Tuesday, November 13, 2012

Title


Date: Sheet of

900-0310 B

24-67B


Title


Date: Sheet of

900-0310 B

24-67B


2175HZBANDPASSADJUST

2175 Detector

CH:1 ADDR: 0X01

2175 DETECT

+

C491uF_35V +

C491uF_35V

R121

3.9K

R121

3.9K

3

21

411

+

-

U6A

TL064ID

+

-

U6A

TL064ID

C174

100pF

C174

100pF

1

2

3

D9

MMBD4148SE

D9

MMBD4148SE

VDD

7

VL

10

GND

8

VSS

18

A12

W13

B11

SHDN 15

SDI/SDA 11

CLK/SCL 12

DIS 9CS/AD013

RES/AD114

NC/O217

SDO/O116

U13AAD5263BRUZ50U13AAD5263BRUZ50

R126

3.0K

R126

3.0K

R120

10K

R120

10K

R117

7.15K 1%

R117

7.15K 1%

C52

.1

C52

.1

C171

.1

C171

.1

C180

.1

C180

.1

10

98

+

-

U12CTL064ID

+

-

U12CTL064ID

R1503.9KR1503.9K

5

67

+

-

U12BTL064ID

+

-

U12BTL064ID

R1143.9KR1143.9K

TP2TP HOOPTP2TP HOOP

R124

750K 1%

R124

750K 1%

5

67

+

-

U11BLM2903M

+

-

U11BLM2903M

C51

.01 ULTRA

C51

.01 ULTRA

C63

.1

C63

.1

C201

.1

C201

.1

C175

.1

C175

.1

R30

22K

R30

22K

R133

100

R0603

R133

100

R0603

C34

.1

C34

.1

3

21

411

+

-

U12ATL064ID

+

-

U12ATL064ID

C36

.22uF

C36

.22uF

R123

6.8K

R123

6.8K

R119

7.15K 1%

R119

7.15K 1%

R24

4.7K

R24

4.7K12

1314

+

-

U12D

TL064ID

+

-

U12D

TL064ID

R122

7.15K 1%

R122

7.15K 1%

R115

2.2K

R115

2.2K

C50.01 ULTRA

C50.01 ULTRA

C172.47uFC172.47uF

R155

10K

R155

10K

R15710KR15710K

1

2

3

D10

MMBD4148SE

D10

MMBD4148SE

R32

2K 22T

14T SMT

R32

2K 22T

14T SMT

C202.1C202.1

C204

100pF

C204

100pF

C203

.1

C203

.1

C197

.1

C197

.1

3

21

84

+

-

U11A

LM2903M

+

-

U11A

LM2903M

C173

.1

C173

.1

R125

220K

R125

220K

C176

.22uF

C176

.22uF

R43

470K

R43

470K

C177.1C177.1

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SEL_LINE_RX

SEL_LINE_RX_COMP

SEL_LINE_RX

SEL_LINE_RX_COMP

+5VREF

+5VREF

+10V

GNDA

GNDA

GNDA

GNDA

+5VREF

+5VREF

GNDA

+10V

GNDA

GNDA

GNDA

GNDA

GNDA

GNDA

GNDA

GNDA

GNDA

+10V

GNDA

GNDA

GNDA

12V

12V

GNDA

GNDA12V

GNDA

GNDA

GNDA

12V

5V

GNDA

GNDA

12V

5V

12V

+10V

GNDA

5V

GNDA

+5VREF

5V

GNDA

GNDA

GNDA

+10V

GNDA

GNDA

5V

GNDA

GNDA

12VLINE_DRIVER_EN-

LINE_RX

AUD_TX

LINE_RX_COMP

AUD_RX

AUD_ENCODE

AUD_DTMFPROG_SERIAL_OUTPROG_SERIAL_IN

SUPR/ALT

AUD_VU_RX

AUD_VU_TX

AUD_MSK

I2C_DAT_1I2C_CLK_1

SPKR_TX

SEL_2WIRE-

SEL_4WIRE-

AUD_DTMF_EN-

AUD_TX_EN-

AUD_ENCODE_EN-

Title


Date: Sheet of

900-0310 B

Line Driver / Receiver

C


Title


Date: Sheet of

900-0310 B


C


Title


Date: Sheet of

900-0310 B


C


2175HZNOTCHNULL

2175HZNOTCHNULL

2175HZNOTCHNULL

24-67

2175HZNOTCHNULL

CH: 1 ADDR: 0X03

GUARD / FUNCT TONE

TX AUDIO

MSK ENCODE

DTMF ENCODE

4 WIRE 2 WIRE

R113

6.8K

R113

6.8K

C157100pFC157

100pF

R10610K 1%R10610K 1%

R14446.4K 1%R14446.4K 1%

C150.47uFC150.47uF

R23

12K

R23

12K

R51

33K

R51

33K

R9510KR9510K


R11046.4K 1%R11046.4K 1%

10

98

+

-

U5C

TL064ID

+

-

U5C

TL064ID

C186

2.2uF

C186

2.2uF

C166.1C166.1

R149

6.8K

R149

6.8KTP14TP HOOPTP14TP HOOP

R82

33K

R82

33K

C43.47uFC43.47uF

R90

6.8M

R90

6.8M

R10510K 1%R10510K 1%

C71

.1

C71

.1

R544.7KR544.7K

+C30

2.2uF_35V+

C30

2.2uF_35V

R148

7.32K 1%

R148

7.32K 1%

C1892.2uFC1892.2uF

5

67

+

-

U10B

TL064ID

+

-

U10B

TL064ID

C45.01 ULTRA

C45.01 ULTRA

R50

680

R50

680

R2746.4K 1%R2746.4K 1%

1 2JP7JP7

R89

330K

R89

330K

R392K 22T

RP22SID

R392K 22T

RP22SID

1 2JP5JP5

C217100pFC217

100pF

R145

24K

R145

24K

RCT13

RCV14

ATTK12

AGC IN9

REF10

AGC11

VCC

16

GND

8

U15BSA572DGU15BSA572DG

R111

7.32K 1%

R111

7.32K 1%

SG2SMCJ30C

SG2SMCJ30C

A35

W36

B34

U8CAD5263BRUZ50U8CAD5263BRUZ50

R1426.2KR1426.2K

R93470KR93470K

C156

.1

C156

.1

R1472.67K 1%

R1472.67K 1%

+ C59

10uF_16V

+ C59

10uF_16V

IN216

D215

S214

U44B

ADG444BRZ

U44B

ADG444BRZ

134 256

J6

MOD6

J6

MOD6


R26

2.67K 1%

R26

2.67K 1%

R402K 22TRP22SID

R402K 22TRP22SID

+

C44

1uF_35V

+

C44

1uF_35V

C5622pFC5622pF

A223

W222

B224

U8BAD5263BRUZ50U8BAD5263BRUZ50

C1702.2uFC1702.2uF

35

4

67

8

911

10

1213

14

12

K1RELAY 4PDTK1RELAY 4PDT

A223

W222

B224


3

21

411

+

-

U5A

TL064ID

+

-

U5A

TL064ID


C152.47uFC152.47uF

C72

.1

C72

.1

13

2

4

5

6

7

T2

TRANSPLIT

T2

TRANSPLIT

1 2JP3JP3

C159.1C159.1

1 2JP4JP4

C158.1C158.1

C5722pFC5722pF

R91

3.9K

R91

3.9K

+ C47

1uF_35V+ C47

1uF_35V

R1410KR1410K

R17012KR17012K

C151

1uF

C151

1uF

IN216

D215

S214

U16B

ADG444BRZ

U16B

ADG444BRZ

A420

W419

B421

U9DAD5263BRUZ50U9DAD5263BRUZ50

1

3

4

625

-

+

U21

LMH6639MF

-

+

U21

LMH6639MF

R211.78K 1%R211.78K 1%

1 2JP14JP14

C4222pFC4222pF

IN216

D215

S214

U45B

ADG444BRZ

U45B

ADG444BRZ

R38

33K

R38

33K

C168.1C168.1

1 2

JP12JP12

RCT3

RCV2

ATTK4

AGC IN7

REF6

AGC5

U15ASA572DGU15ASA572DG

R292K 22T

RP22SID

R292K 22T

RP22SID

VDD

7

VL

10

GND

8

VSS

18

A12

W13

B11

SHDN15

SDI/SDA11

CLK/SCL12

DIS9

CS/AD013

RES/AD114

NC/O217

SDO/O116


+ C62

1uF_35V+ C62

1uF_35V

R143

12K

R143

12K

R282K 22TRP22SID

R282K 22TRP22SID

R52

10

R52

10

+C55

1uF_35V

+C55

1uF_35V

10

98

+

-

U10C

TL064ID

+

-

U10C

TL064ID

IN11

GND

5

VSS

4

S13

D12 V

L12

VDD

13


3

21

411

+

-

U10A

TL064ID

+

-

U10A

TL064ID

R53

27K

R53

27K

C46.01 ULTRAC46.01 ULTRA

1 2JP8JP8

10

98

+

-

U6C

TL064ID

+

-

U6C

TL064IDC165

.1C165

.1

R146

12K

R146

12K

C38

.01 ULTRA

C38

.01 ULTRA

12

1314

+

-

U5D

TL064ID

+

-

U5D

TL064ID

D8

BZT52C3V3-7-F

D8

BZT52C3V3-7-F

1 2

JP9JP9

C169.1

C169.1

C191100pFC191

100pF

IN48

D47

S46

U44D

ADG444BRZ

U44D

ADG444BRZ

SG3SMCJ30CSG3SMCJ30C


Q5MMBT4401-7-F

Q5MMBT4401-7-F

C194

.1

C194

.1

R9210KR9210K

C193

.1

C193

.1

+C58

10uF_16V

+C58

10uF_16V

C160.1C160.1

5

67

+

-

U5B

TL064ID

+

-

U5B

TL064ID

C216.1C216.1

C60330pFC60330pF

R1510KR1510K

C1882.2uFC1882.2uF

R14110KR14110K

R98

1K

R98

1K

R1121.78K 1%R1121.78K 1%

SG1SMCJ30C

SG1SMCJ30C

C138330pFC138330pF

R154

12K

R154

12K

3

2

1

4

5

6T3

TRANS

T3

TRANS

C198

1uF

C198

1uF

C29

.01 ULTRA

C29

.01 ULTRA

C39.1C39.1

1

3

4

625

-

+

U14

LMH6639MF

-

+

U14

LMH6639MF

C37

.01 ULTRA

C37

.01 ULTRA

C215.1C215.1

R964.7KR964.7K

R10946.4K 1%R10946.4K 1%

12

JP16JP16

C153

.1

C153

.1

1

2

3

4

5

6

7

8

J5

MOD8

J5

MOD8

IN39

D310

S311

U44CADG444BRZU44CADG444BRZ

SG4SMCJ30CSG4SMCJ30C

R37

10

R37

10

C185

2.2uF

C185

2.2uF

R25680R25680

+C33

2.2uF_35V

+C33

2.2uF_35V


1 2

JP6JP6

R151

6.2K

R151

6.2K

Q4MMBT4401-7-FQ4MMBT4401-7-F

C41.01 ULTRAC41.01 ULTRA

12

1314

+

-

U10D

TL064ID

+

-

U10D

TL064ID

C28

.01 ULTRA

C28

.01 ULTRA

D13

BAS21-7-F

D13

BAS21-7-F

1 2JP15JP15

C199100pFC199100pF

A35

W36

B34


C192.1

C192.1

R94

3.9K

R94

3.9K

C155

.1

C155

.1

C167

2.2uF

C167

2.2uF

R107

10K

R107

10K

IN11

GND

5

VSS

4

S13

D12 V

L12

VDD

13


R10824K

R10824K

C40

.01 ULTRA

C40

.01 ULTRA

1 2JP13JP13

1 2

JP10JP10

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

D3D2

D0D1

D0

D1

3V3

3V3

3V3

3V3

3V3 12V512V 5V +10V +5VREF

GNDA

5V3V3

3V3

3V3

RD-

WR-

TEST_CS-

D[0..7]

TINY_RESET-

TINY_MISO

I2C_CLK_2

I2C_DAT_2

TEST_SERIAL_OUT

TEST_SERIAL_IN

TEST_OUT_1

TEST_OUT_2

Title


Date: Sheet of

900-0310 B

24-67B

6 8Monday, August 06, 2012

Title


Date: Sheet of

900-0310 B

24-67B


Title


Date: Sheet of

900-0310 B

24-67B


Test

C119.1C119.1

41

2

35

U29

SN74AHC1G02DBVR

U29

SN74AHC1G02DBVR

2OE71OE1

1A 2

2A 5

VCC

8

1Y6

2Y3

GND

4

U28

SN74LVC2G240DCTR

U28

SN74LVC2G240DCTR

R87330R87330

C146

.1

C146

.1

C120.1C120.1

C124.1C124.1

3 124

SW1

CK_KT11P2JM

SW1

CK_KT11P2JM

B1 1

E 2

B2 3C24

C15

U43UMG2N

U43UMG2N

C111100pFC111

100pF

C122.1C122.1

R8010KR8010K

CLK1

Q 4

VCC

5

D3

GND

2CLR6

U34

SN74LVC1G175DBVT

U34

SN74LVC1G175DBVT

R6210KR6210K

2OE71OE1

1A 2

2A 5

VCC

8

1Y6

2Y3

GND

4

U30

SN74LVC2G240DCTR

U30

SN74LVC2G240DCTR

2A3 2Y 4

U32BSN74LVC2G34DBVRU32BSN74LVC2G34DBVR

3 124

SW2

CK_KT11P2JM

SW2

CK_KT11P2JM

C144.1C144.1

C136.1C136.1

1 23 45 67 89 1011 1213 141517

1618

19 20

J12

CON2X10/100

J12

CON2X10/100

C121100pFC121

100pF

C145100pFC145

100pF

C135100pFC135

100pF

D15D15

R7910KR7910K

C123100pFC123100pF

Vcc

5GND

2

1A1 1Y 6

U32ASN74LVC2G34DBVRU32ASN74LVC2G34DBVR

41

2

35

U37

SN74AHC1G32DBVR

U37

SN74AHC1G32DBVR

CLK1

Q 4

VCC

5

D3

GND

2

CLR6

U35

SN74LVC1G175DBVT

U35

SN74LVC1G175DBVT

D14D14

R9710KR9710K

R104330R104330

C112100pFC112100pF

R6110KR6110K

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GNDA

+5VREF

GNDPA

GNDA

GNDA

GNDPA

GNDA GNDA

12V

GNDA12V

GNDAGNDA

12V

GNDPA

GNDA

+5VREF

+10V

GNDA

GNDA+5VREF

GNDA

+5VREF

GNDA

GNDA

12V

12V

GNDA

12V

GNDA

3V3 3V3

+5VREF

3V3

3V3

GNDA

GNDA

GNDA

GNDA

+5VREF

+10V

GNDA

12V

3V3

GNDA

3V3

GNDA

+5VREF

GNDA

+10V

GNDA

5V

GNDA

+10V

GNDA

5V

GNDA

5V

AUD_TX

LOC_HKSW

LOC_PTT

AUD_RX

SPKR_MUTE-

ENCODE_TX_AUD_EN-

ENCODE_PTT

HEADSET_MIC_EN-

FOOT_PTT

HANDSET_AUD_RX_EN-

DSK_MON_EN-

AUD_ENCODE

AUD_DTMF

SPKR_TX_EN-

SPKR_ENCODE_EN-

SPKR_DTMF_EN-

SPKR_TX

I2C_CLK_1I2C_DAT_1

DSK_MON_EN-HANDSET_AUD_RX_EN-

HEADSET_RX_EN-

INT_MIC_EN-

HANDSET_MIC_EN-

Title


Date: Sheet of

900-0310 B

24-67C

Tuesday, November 13, 2012 87

Title


Date: Sheet of

900-0310 B

24-67C


Title


Date: Sheet of

900-0310 B

24-67C


LOCAL AUDIO

INT MIC

CH: 1 ADDR: 0X02

SPEAKER

HEADSET EARHANDSET EAR

HANDSET MIC

+

C16470uF_25V

+

C16470uF_25V

C70

100pF

C70

100pF

C196330pFC196330pF

IN39

D310

S311

U45CADG444BRZ

U45CADG444BRZ

R111KR111K

12

1314

+

-

U6D

TL064ID

+

-

U6D

TL064ID


C12100pFC12100pF

A420

W419

B421


C1122pFC1122pF

D4

BAS21-7-F

D4

BAS21-7-F

+

C51uF_50V

+

C51uF_50V

R22620R22620

R164

10K

R164

10K

R3124KR3124K

1234567

J13ENCODE_DECODEJ13ENCODE_DECODE

C25.47uFC25.47uF

A223

W222

B224


C190100pFC190100pF

R16510KR16510K

123

J18SPEAKERJ18SPEAKER

+

C221uF_50V

+

C221uF_50V

C187

.47uF

C187

.47uF

R140

4.7K

R140

4.7K

C209.1C209.1

123

J9CON_FOOTSW

J9CON_FOOTSW

R3375KR3375K

+

C15470uF_25V

+

C15470uF_25V

R910KR910K

C17.1

C17.1

C206.1

C206.1

C20022pFC20022pF

C10100pFC10100pF

C1392.2uFC1392.2uF

IN39

D310

S311


13

2

4

R1448UD4503BDN

R1448UD4503BDN

R12100R12100

C53.47uFC53.47uF

R138

10K

R138

10K

C732.2uFC732.2uF

R81

10K

R81

10K

R810KR810K

IN39

D310

S311

U22CADG444BRZ

U22CADG444BRZ

3

21

411

+

-

U4A

TL064ID

+

-

U4A

TL064ID

R16110KR16110K

IN48

D47

S46

U16DADG444BRZU16DADG444BRZ

R16612KR16612K

IN216

D215

S214

U22BADG444BRZ

U22BADG444BRZ

C8100pFC8100pF

C32

100pF

C32

100pF

IN48

D47

S46


5

67

+

-

U6B

TL064ID

+

-

U6B

TL064ID

R16210KR16210K

R4910KR4910K

1234

J11CON_HANDSETJ11CON_HANDSET

C2022pFC2022pF

GND1

1

GND2

10

GND3

11

GND4

20

Pgnd1

9

Pgnd2

12

Vcc

16

Output A17

Output A28

Output B113

Output B214

Input A2

Input B19

Sgnd

4

SVrr5

M/SB17

GND5

21

NC13

NC26

NC315

NC418

U3TPA1517DWPU3TPA1517DWP

R4810KR4810K

+C2447uF_25V

+C2447uF_25V

C4100pFC4

100pF

D2

MMSZ5248B

D2

MMSZ5248B

R19

0

R19

0

C1922pFC1922pF

A35

W36

B34


R83

10K

R83

10KC75.1

C75.1

C89

100pF

C89

100pF

R15310R15310


C3.1

C3.1

R1810KR1810K

IN39

D310

S311



1 2

JP2INT_SPKRJP2INT_SPKR

C9100pFC9100pF

B11

E2

B23

C24

C15

U2UMG2N

U2UMG2N

C14

100pF

C14

100pF

IN48

D47

S46

U22DADG444BRZ

U22DADG444BRZ

IN48

D47

S46


+C18

2.2uF_35V

+C18

2.2uF_35V

1234

J14

CON_HEADSET

J14

CON_HEADSET

R16010KR160

10K

R1610KR1610K

C13100pFC13100pF

C31100pFC31100pF

12

34

J8CON_HUHSJ8CON_HUHS

1

2

3

4

JP18SPKR_OPTJP18SPKR_OPT

5

67

+

-

U4B

TL064ID

+

-

U4B

TL064ID

A420

W419

B421


IN11

GND

5

VSS

4

S13

D12V

L12

VDD

13

U22A

ADG444BRZ

U22A

ADG444BRZ

+

C2110uF_16V+

C2110uF_16V

5

67

+

-

U1B

TL064ID

+

-

U1B

TL064ID

R2010K

R2010K

C2.1

C2.1



C208

.1

C208

.1

R159

10K

R159

10K


R2100R2100

C622pFC622pF

R16924KR16924K

R710KR710K

R13610KR13610K

3

21

411

+

-

U1A

TL064ID

+

-

U1A

TL064ID

Q1MMBT4401-7-F

Q1MMBT4401-7-F

C48.47uFC48.47uF

D1MMSZ5248BD1MMSZ5248B

Q2MMBT4401-7-F

Q2MMBT4401-7-F

C195.1C195.1

12

MK1MICROPHONEMK1MICROPHONE

C7

100pF

C7

100pF

VDD

7

VL

10

GND

8

VSS

18

A12

W13

B11

SHDN15

SDI/SDA11

CLK/SCL12

DIS9

CS/AD013

RES/AD114

NC/O217

SDO/O116


R15610KR15610K

C1.1

C1.1

R1310KR1310K

R88

10K

R88

10K

R3

6.8K

R3

6.8K

R13424KR13424K

+C61

10uF_16V

+C61

10uF_16V

C2322pFC2322pF

C74.1C74.1

C183.1C183.1

D5

DDZ5V1B-7

D5

DDZ5V1B-7

R13510R13510

R152

100K

R152

100K

R5

10K

R5

10K

C182.1C182.1

R1010KR1010K

C1372.2uFC1372.2uF

D3

BAS21-7-F

D3

BAS21-7-F

C27100pFC27100pF

10

98

+

-

U1C

TL064ID

+

-

U1C

TL064ID

C184.1C184.1

+C35

10uF_16V

+C35

10uF_16V

R15824KR15824K

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

KEY_COL2KEY_COL1KEY_COL0

VU_AUDIO

VU_AUDIO

KEY_ROW0KEY_ROW1KEY_ROW2KEY_ROW3

12V

+5VREF

5V

3V3

GNDAGNDAGNDA

5V

+5VREF +5VREF

5V 5V

AUD_VU_TX

LCD_EN-

LED_EN-

AUD_VU_RX

KEYPAD_DATAKEYPAD_CLK

KEY_COL[0..2]

KEY_ROW[0..3]

Title


Date: Sheet of

900-0310 B

24-67B


Title


Date: Sheet of

900-0310 B

24-67B


Title


Date: Sheet of

900-0310 B

24-67B


Pins to be numbered like IC:(Counter-clockwise from upper left)

KEYPAD INTERFACE

SPARE SPARE

C93

100pF

C93

100pF

R16824KR16824K

10

98

+

-

U4C

TL064ID

+

-

U4C

TL064ID

C212

.22uF

C212

.22uF

D6

BAS21-7-F

D6

BAS21-7-F

R137

0

R137

0

B11

E2

B23 C2 4

C1 5

U23UMG2N

U23UMG2N

R16351KR16351K

C76

100pF

C76

100pF

R17

75K

R17

75K

C211.1

C211.1

R551KR551K

D7BAS21-7-FD7BAS21-7-F

R631KR631K

12345678910111213141516

J10

CON16

J10

CON16

C96

100pF

C96

100pF

R6

75K

R6

75K

C77100pFC77

100pF

R564.7KR564.7K

12

1314

+

-

U1D

TL064ID

+

-

U1D

TL064ID

R139

0

R139

0

R16724KR16724K

C92

100pF

C92

100pF

C91

100pF

C91

100pF

R411KR411K

R581KR581K

C210.22uFC210.22uF

12

1314

+

-

U4D

TL064ID

+

-

U4D

TL064ID

C94

100pF

C94

100pF

C95

100pF

C95

100pF

C26.001C26.001

C90

100pF

C90

100pF

C213

.22uF

C213

.22uF

R424.7KR424.7K

8 7 6 5 4 3 2 1

A

B

C

D

12345678

D

C

B

A

.

VU METER

E-5

FREQUENCY DISPLAY

MUTE

COL 2

CONNECTOR

AUX

F-3

A-13

INTCM

COL 3

B-12

CLOCK

CLOCK

G-4

LED

ALERT

C-11

F-SEL

ALT

CONNECTOR

SUPER

LCD DISPLAY

HLMP-1000

TX

D-6 DM-10

MON

CONNECTOR

HP5082-7704

COL 1

D2

D9

D8

D7

D6

D13

D12

D11

D10

ROW_1

ROW2

ROW_3

ROW_4

COL_1

COL_2

NC

GND

COL_3

LCD_EN

CLOCK

DATA

LED_EN

13.8VDC

VU_AUD

VCCJ5 16

9

1

12

10

11

6

13

8

7

14

15

5

4

3

2

JP2

3

2

1

JP1

3

2

1

.1uFC5

PBUTTONS1

1

2

220 1WR6

PBUTTONS2

1

2

PBUTTONS3

1

2

-

+

J6

2

1

PBUTTONS4

1

2

33KR4

10K 1TR8

1.2KR2

220 1WR1

+10uFC1

DE

H-2

A

GND

VUBC

H-1

13.8VDC

FG

J1

1211

10

9

876

5

4

3

21

VCC

VO

RS

R/W

_+_

DB7

DB0

DB1

DB6

E

DB4

DB3

DB5

GND

DB2

_-_

J3

16

9

1

12

10

11

6

13

8

7

14

15

5

4

3

2

+

10uFC3

.1uFC4

D5

LEDD14

SEG_B

SEG_FDIN

DIG_4

GND-1

DIG_6

DIG_1

DIG_5

LOAD

GND-2

DIG_0

DIG_2

SEG_A

DIG_3

CLK

DIG_7

SEG_G

ISET

VCC

SEG_C

SEG_E

SEG_DP

SEG_D

DOUT

MAX7219U1

24

23

22

21

20

19

18

17

8

13

7

14

6

2

9

12

10

11

5

4

3

115

16

.1uFC6

QAQBQCQDQEQFQGQH

SQH

A

OE

LCSC

RESVCC

GND

74HC595U2

8

16

10

1112

13

14

9

7654321

15

NC-4

1COM

F

D

NC-2

G

E

NC-3

A

B

C

NC-1

2COM

DM

LED7SEGD1

10

9

8

11

12

13

14

5

4

7

6

3

2

1

PBUTTONS5

1

2

PBUTTONS6

1

2

PBUTTONS7

1

2

PBUTTONS8

1

2

PBUTTONS9

1

2

+

10uF

C2

PBUTTONS10

1

2

PBUTTONS11

1

2

PBUTTONS12

1

2

10KR3

10KR5

10KR7

D4

DP3_ADP2_A

DIG_1

SEG_D

DIG_2

DP5_ADP4_A

DIG_3

DP6_A

DIG_4

SEG_C

DP8_A

DP7/8/9_C

DP7/9_A

SEG_A

DP6_C

DP4_CDP5_C

SEG_B

SEG_FSEG_E

SEG_G

DP1_A

DP1/2/3_C

J4

24

23

22

2120

19

1817

16

15

14

13

12

11

10

9

8

76

5

4

3

21

D3

13.8V

5V

13.8V

5V 5V5V

5V

13.8V

5V

5V

5V

5V

5V

5V

J9

15

20

19

18

17

16

9

1

12

10

11

6

13

8

7

14

5

4

3

2 VDDIO

VDD

VDDLCD

GND_1

RS

TP_TIRQ

TP_DIN

CS

TP_AUX

TP_CS

TP_DOUT

GND_2

GND_0

TP_CLK

WR

RESET

GND_3

DB00

DB01

RD

INT035TFT_CON20L

J7

35

39

38

37

36

29

21

32

30

31

26

33

28

27

34

25

24

23

22

40NC_2

DB03

DB04

DB05

DB06

DB15

DB08

DB09

DB14

DB07

DB12

DB11

DB13

DB02

DB10

DB17

NC_0

5.0V

NC_1

DB16

INT035TFT_CON20R

3V3

3V3

1V2

5V

CS

RS

WR

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

R910K

3V3

R1010K

3V3

C7100pF

J8

1412108642

131197531 1

35791113

2468

101214

3V3 1V2

CS RSWRDB0 DB4DB1 DB5DB2 DB6DB3 DB7

2X7_0.100"header

+C810uF

+C910uF

Title


Date: Sheet

DRAWN DESIGN

MFG. QA

PROJ. ENG. CUST.

APPVL.APPVL.

of

701.280.1122Fargo, ND 58103

1801 38th St SIDANicholas AasandNicholas Aasand

Tuesday, February 28th, 2017C B900-0316

IDA Remote Keypad

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24-67 remote base controller version 1idaco.com/manuals/24-67/24-67_manual_101.pdf · the 24-67...

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