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HCD-M100/M300AVSERVICE MANUAL

HCD-M100/M300AV is the tuner, deck, CD andamplifier section in MHC-M100/M300AV.

SPECIFICATIONS

COMPACT COMPONENT SYSTEM

— Continued on next page —

Model Name Using Similar Mechanism HCD-MC3AV

CD Mechanism Type CDM-46B1

Optical Pick-up Name KSM-213BFN/C2NP

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type TCM-230AWR21

CDSECTION

TAPE DECKSECTION

US Model

Amplifier sectionU.S.A models:AUDIO POWER SPECIFICATIONSPOWER OUTPUT AND TOTAL HARMONIC DISTORTION:With 6 Ω loads both channels driven, from 120 – 10,000 Hz; rated 75 W perchannel minimum RMS power, with no more than 10% total harmonicdistortion from 250 mW to rated output.

MHC-M300AVFront Speaker:Continuous RMS power output

75 + 75 W(6 Ω at 1 kHz, 10% THD)

Total harmonic distortionless than 0.09%(6 Ω at 1 kHz, 40 W)

Center Speaker:Continuous RMS power output

35 W(6 Ω at 1 kHz. 10% THD)

Rear Speaker:Continuous RMS power output

17.5 + 17.5 W(12 Ω at 1 kHz, 10% THD)

MHC-M100Continuous RMS power output

75 + 75 W(6 Ω at 1 kHz, 10% THD)

Total harmonic distortionless than 0.09%(6 Ω at 1 kHz, 40 W)

InputsVIDEO/MD IN (phono jack):

voltage 250 mV/450 mV,impedance 47 kΩ

OutputsPHONES (stereo phone jacks):

accepts headphones of 8 Ω or moreFRONT SPEAKER: accepts impedance of 6 to 16 ΩREAR SPEAKER: (M300AV only):MHC-M300AV accepts impedance of 12 to 16 ΩCENTER SPEAKER: (M300AV only):

accepts impedance of 6 ΩSUPER WOOFER: (M300AV only):

voltage 1 V, impedance 1 kΩ

Manufactured under license from DolbyLaboratories Licensing Corporation.“DOLBY” and the double-D symbol ; and“PRO LOGIC” are trademarks of DolbyLaboratories Licensing Corporation.

Photo: HCD-M300AV

Ver 1.1 2001. 07

9-929-271-122001G0200-1

© 2001.7

Sony CorporationHome Audio Company

Shinagawa Tec Service Manual Production Group

2

CD player sectionSystem Compact disc and digital audio systemLaser Semiconductor laser (λ =780 mm)

Emission duration: continuousLaser output Max. 44.6 µW*

* This output is the value measured at adistance of 200 mm from the objective lenssurface on the Optical Pick-up Block with7 mm aperture.

Frequency response 2 Hz – 20 kHz (± 0.5 dB)Wavelength 780 – 790 nmSignal-to-noise ratio More than 90 dBDynamic range More than 90 dBCD OPTICAL DIGITAL OUT(Square optical connector jack, rear panel)Wave length 600 nmOutput level –18 dBm

Tape player sectionRecording system 4-track 2-channel stereoFrequency response 40 – 13,000 Hz (± 3 dB),

using Sony TYPE I cassette

Tuner sectionFM stereo, FM/AM superheterodyne tuner

FM tuner sectionTuning range 87.5 – 108.0 MHzAntenna FM lead antennaAntenna terminals 75 Ω unbalancedIntermediate frequency 10.7 MHz

AM tuner sectionTuning range 530 – 1,710 kHz

(with the interval set at 10 kHz)531 – 1,710 kHz(with the interval set at 9 kHz)

Antenna AM loop antennaAntenna terminals External antenna terminalIntermediate frequency 450 kHz

GeneralPower requirements 120 V AC, 60 Hz

Power consumptionMHC-M300AV: 190 WMHC-M100: 150 W

Dimensions (w/h/d) Approx. 280 × 373 × 468 mm

MassMHC-M300AV: Approx. 10.9 kgMHC-M100: Approx. 10.5 kg

Supplied accessories: AM loop antenna (1)Remote commander (1)Batteries (2)FM lead antenna (1)Speaker cords (for MHC-M300AV only) (2)Center speaker pads (for MHC-M300AVonly) (4)

Design and specifications are subject to change without notice.

3

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.

This appliance is classified as a CLASS 1 LASER product. TheCLASS 1 LASER PRODUCT MARKING is located on the rearexterior.

CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous radiationexposure.

Laser component in this product is capable of emitting radiationexceeding the limit for Class 1.

SAFETY CHECK-OUT(US model only)

After correcting the original service problem, perform thefollowing safety checks before releasing the set to the customer:Check the antenna terminals, metal trim, “metallized” knobs, screws,and all other exposed metal parts for AC leakage. Check leakage asdescribed below.

LEAKAGE

The AC leakage from any exposed metal part to earth ground andfrom all exposed metal parts to any exposed metal part having areturn to chassis, must not exceed 0.5 mA (500 microampers).Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCAWT-540A. Follow the manufacturers’ instructions to use theseinstruments.

2. A battery-operated AC milliammeter. The Data Precision 245digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of aVOM or battery-operated AC voltmeter. The “limit” indicationis 0.75 V, so analog meters must have an accurate low-voltagescale. The Simpson 250 and Sanwa SH-63Trd are examples ofa passive VOM that is suitable. Nearly all battery operateddigital multimeters that have a 2V AC range are suitable. (SeeFig. A)

Fig. A. Using an AC voltmeter to check AC leakage.

0.15µF

To Exposed MetalParts on Set

1.5kΩACvoltmeter(0.75V)

Earth Ground

4

TABLE OF CONTENTS

1. GENERALFont Panel ··············································································· 5Rear Panel ·············································································· 6

2. DISASSEMBLY ······························································· 8

3. TEST MODE ··································································· 16

4. MECHANICAL ADJUSTMENTS ···························· 18

5. ELECTRICAL ADJUSTMENTSDeck Section ········································································ 21CD Section ··········································································· 23

6. DIAGRAMS6-1. Block Diagram – CD Section – ········································ 24

Block Diagram – Main Section – ····································· 25Block Diagram – Audio Section – ···································· 26

6-2. Circuit Boards Location ··················································· 276-3. Printed Wiring Board – BD Section – ······························ 286-4. Schematic Diagram – BD Section – ································· 296-5. Printed Wiring Board – CD Motor Section – ··················· 306-6. Schematic Diagram – CD Motor Section – ······················ 316-7. Printed Wiring Board – Audio Section – ·························· 326-8. Schematic Diagram – Audio Section – ····························· 336-9. Printed Wiring Board – Main Section – ··························· 346-10. Schematic Diagram – Main (1/6) Section – ····················· 356-11. Schematic Diagram – Main (2/6) Section – ····················· 366-12. Schematic Diagram – Main (3/6) Section – ····················· 376-13. Schematic Diagram – Main (4/6) Section – ····················· 386-14. Schematic Diagram – Main (5/6) Section – ····················· 396-15. Schematic Diagram – Main (6/6) Section – ····················· 406-16. Printed Wiring Board – Power Section – ························· 416-17. Schematic Diagram – Power Section – ···························· 416-18. Printed Wiring Board – Panel Section – ··························· 426-19. Schematic Diagram – Panel Section – ····························· 436-20. Printed Wiring Board – Front Amp Section – ·················· 446-21. Schematic Diagram – Front Amp Section – ····················· 456-22. Schematic Diagram – Rear Amp Section – ······················ 466-23. Printed Wiring Board – Rear Amp Section – ··················· 476-24. Waveforms ········································································ 486-25. IC Pin Function Description ············································· 486-26. IC Block Diagrams ··························································· 56

7. EXPLODED VIEWS ····················································· 60

8. ELECTRICAL PARTS LIST ····································· 67

SERVICING NOTES

The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and alsouse the procedure in the printed matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, observefrom more than 30 cm away from the objective lens.

LASER DIODE AND FOCUS SEARCH OPERATIONCHECK

Carry out the “S curve check” in “CD section adjustment” and checkthat the S curve waveform is output repeatedly.

NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT

Notes on chip component replacement• Never reuse a disconnected chip component.• Notice that the minus side of a tantalum capacitor may be damaged

by heat.

Flexible Circuit Board Repairing• Keep the temperature of the soldering iron around 270 ˚C during

repairing.• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).• Be careful not to apply force on the conductor when soldering or

unsoldering.

5

SECTION 1GENERAL

FRONT PANEL

1 @/1 button2 STANDBY indicator3 MEMO INPUT button4 MEMO SCAN button5 MEMO SEARCH button6 TAPE A h button and indicator7 CD 7 button and indicator8 TAPE A H button and indicator9 Display window0 x (STOP) buttonqa TAPE B h button and indicatorqs TUNER/BAND buttonqd TAPE B H button and indicatorqf CHECK buttonqg CLEAR buttonqh DELETE buttonqj GROOVE button and indicatorqk FUNCTION buttonql DSP button and indicator

w; DBFB buttonwa CONTINUE/STEREO/MONO buttonws ENTER buttonwd PROGRAM/TUNER MEMORY buttonwf SHUFFLE/DIRECTION buttonwg + M > buttonwh m .– buttonwj SELECTOR dialwk PHONES jackwl FILE SELECT buttone; VOLUME knobea X PAUSE button and indicatores CD SYNCHRO buttoned z REC buttonef CD PLUS ONE buttoneg TIMER SELECT button and indicatoreh CLOCK TIMER SET buttonej DISPLAY buttonek PROLOGIC button and indicator

(HCD-M300AV only)

1

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eg

eh

ej

ek

2

3

4

5

67890 qaqsqd qfqgqh

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Photo: HCD-M300AV

6

REAR PANEL

1 CD DIGITAL OUT connector2 SUPER WOOFER jack (HCD-M300AV only)3 MD/VIDEO INPUT (AUDIO) jack4 ANTENNA terminal5 CENTER SPEAKER terminal (HCD-M300AV only)6 REAR SPEAKER terminal (HCD-M300AV only)7 FRONT SPEAKER terminal8 AC power cord

1

2

3

4 5 6 7

8

Photo: HCD-M300AV

7

This section is extracted frominstruction manual.

8

SECTION 2DISASSEMBLY

2-1. CASE

2-2. FRONT PANEL SECTION

Note : Follow the disassembly procedure in the numerical order given.

1 Three screws (CASE3 TP2)

1 Three screws (CASE3 TP2)

2 Three screws (BVTP 3 × 8)

3 Case

7 Screws (BVTT 3 × 8)

8 Lug 4 Connector(CN804)

5 Connector(CN604A)

6 Connector(CN453)

1 Wire (flat type) (17 core)


0 Two claws

qa Front panel assy

0 Two claws



9

2-3. DOOR ASSY

2-4. BACK PANEL

2 Open the door ass'y

1 Two screws (PTPWH 2.6 × 8)

A3 Remove the door ass'y to direction of the arrow A.

7 Six screws (BVTP 3 × 8)

5 Two screws (BVTP 3 × 8)


3 Five screws (BVTP 3 × 8)

4 Cover

8 Remove the back panel to direction of the arrow.

2 Connector(CN751)

1 Connector (CN802)

10

2-5. MAIN BOARD

2-6. POWER TRANSFORMER (T991)

qa Remove the MAIN board to direction of the arrow.




7 Connector(CN451)

3 Connector(CN902)

4 Connector(CN801B)

6 Connector(CN461)

8 Connector(CN403)

5 Connector(CN454)

9 Connector(CN454)

6 Four screws (BVTT 3 × 8)

7 Power transforme

3 Connector CN995

4 Two screws (BVTT3 x 8)

5 Sub trans board

1 Connector CN992

2 Power cord

11

2-7. SUB CHASSIS

2-8. CD MECHANISM DECK SECTION

1 Two screws (BVTT 3 × 8)

3 Sub chassis



8 Three screws (BVTT 3 × 10)

9 Base (LOADING)


4 Cover (CD)

qs Base (CDM)qa Screw (BVTT 3 × 10)

0 Screw (BVTT 3 × 14)

5 Two screws (BVTT 3 × 6)

7 Reinforcement

1 Screw (PTPWH 2.6 × 8)

2 Table (50)

6 Wire holder

12

2-9. CD BASE UNIT

2-10. BD BOARD, SLED MOTOR (M102)

1 Two screws (BTVP 3 × 8)

2 Bracket

3 Two tention springs

5 Base unit

4 Four screws (PTPWH 2.6 × 8)

6 Gear (A) (S)

5 Claw

0 Two screws (P 2 × 3)

qa Sled motor (M102)

3 Removal four solders.

2 Screw (PTPWH 2 × 5)

4 BD board


9 Gear (B) (RP)

7 Three claws

8 Gear cover

13

2-11. OPTICAL PICK-UP

2-12. TAPE MECHANISM DECK SECTION

3 Remove the optical pick-up to direction of the arrow A.

2 Sled shaft

1 Claw

A

2 Remove the cassette lid (L) ass'y to direction of the arrow B.

1 Remove the cassette lid (R) ass'y to direction of the arrow A.

A

B 3 Three screws (BVTP 2.6 × 8)

3 Three screws (BVTT 3 × 6)

4 Remove the tape mechanism deck section.

14

2-13. PANEL BOARD

2-14. CASSETTE BOARD

0 Five screws (BVTP 2.6 × 8)

0 Seven screws(BVTP 2.6 × 8)

7 Volume ring

6 Volume knob

8 Selector ring

9 Selector ring

0 Five screws (BVTP 2.6 × 8)

3 Remove the cassette lid (R) assy

3 Remove the cassette lid (L) assy

TORSION SPRING(DOOR2)

TORSION SPRING(DOOR1)

4 Two screws (BVTP 2.6 × 8)

5 Remove the TC bracket

qa Remove the panel (L) board

qd Remove the panel board

qs Remove the panel (R) board

1

22

1

3 Two screws (BVTT 2 × 4 (S))

2 Break the soldering of two flexible flat cables.

1 Four rivets

4 CASSETTE board

15

2-15. CAPSTAN MOTOR (M1)

3 Remove the belt.

1 Two screws (PS 2.6 × 5)

2 Remove the belt.

4 Remove the capstan motor to direction of the arrow.

16

SECTION 3TEST MODE

[MC Cold Reset]* The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returningthe set to the customer.

Procedure:1. Press the three buttons x , ENTER and @/1 at the same

time.2. The fluorescent indicator tube turns off for a moment and the

RAM is reset to the initial conditions.

[MC Hot Reset]* This mode resets the set with the preset data kept stored in the

memory. This hot reset mode is performed also when the powercord is plugged in and out.

Procedure:1. Press the three buttons x , ENTER and FUNCTION at the

same time.2. The fluorescent indicator tube turns off for a moment and the

RAM is reset to the initial conditions.

[CD Initial]* The CD INITIAL clears all of the CD related data. Execute

this mode when returning the set to the customer.

Procedure:1. Press the three buttons x , ENTER and CONTINUE/

STEREO/MONO at the same time.2. The message “STANDBY” appears on the fluorescent indicator

tube and the CD related data is reset to the initial conditions.

[CD Line Test]* The CD Line test displays the rotating time required for one

rotation by rotating the disc tray.

Procedure:1. Press the three buttons x , ENTER and CLOCK/TIMER SET

at the same time. The CD PLAY LED and the CD PAUSE LEDflash alternately and the disc tray starts rotation.

2. The message “xx

17

3. The tape A runs in fast forward. After two minutes of fastforward, or at the shut-off point, the tape is stopped and theaging mode advances to the next step.The message: TAPE A AG-3 appears.

4. The tape A is played back in the RVS mode. After two minutesof the RVS playback, the aging mode advances to the next step.The message: TAPE A AG-4 appears.

5. The tape A is rewound and stops at the shut-off. The agingmode advances to the next step.The message: TAPE A AG-5 appears.

6. The tape B is played back in the FWD mode. After two minutesof the FWD playback, the aging mode advances to the nextstep.The message: TAPE B AG-2 appears.

7. The tape B runs in fast forward. After two minutes of fastforward, or at the shut-off point, the tape is stopped and theaging mode advances to the next step.The message: TAPE B AG-3 appears.

8. The tape B is played back in the RVS mode. After two minutesof the RVS playback, the aging mode advances to the next step.The message: TAPE B AG-4 appears.

9. The tape B is rewound and stops at the shut-off. The agingmode advances to the next step.The message: TAPE B AG-5 appears.

[AM TUNER STEP 9 kHz/10 kHz Selection Mode]* Either the 9 kHz step or 10 kHz step can be selected for the AM

channel step.

Procedure:1. Turn on the power and select TUNER using the FUNCTION

button.2. Select AM with the TUNER/BAND button and turn off the

power.3. Press the two buttons ENTER and @/1 at the same time. The

main power is turned on and the other frequency step of theprevious mode is selected and displayed. “AM 9 k STEP” or“AM 10 k STEP”

[CD SRAM Test Mode]

Procedure:1. Turn on the power and select CD using the FUNCTION button.2. Press the three buttons x , ENTER and DBFB at the same

time.3. The message “SRAM OK” appears on the fluorescent indicator

tube.

[GC VACS ON/OFF Mode]

Procedure:1. Press the two buttons DELETE and @/1 at the same time.2. The message “VACS ON” or “VACS OFF” appears on the

fluorescent indicator tube.

18

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

6.96 N • m to 14.02 N • m

71 to 143 g • cm

(0.98 – 1.99 oz • inch)

9.80 N • m

100 g or more

(3.53 oz or more)

9.80 N • m

100 g or more

(3.53 oz or more)

FWD

FWD

back tension

REV

REV

back tension

FF/REW

FWD tension

REV tension

CQ-102C

CQ-102C

CQ-102RC

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

SECTION 4MECHANICAL ADJUSTMENT

• TAPE MECHANISM DECK SECTION • Torque Measurement

• CD MECHANISM DECK SECTIONTo adjust the mechanism section, enter the mechanism section adjustment mode.For how to enter the mechanism section adjustment mode, refer to each adjustment section.

DISC SENSOR ALIGNMENT1. Make sure that there is no disc in the unit.2. Connect an oscilloscope to IC401rs, IC4014 of the MAIN board.

3. Press the @/1 button to turn ON the power.

Precaution1. Clean the following parts with a denatured alcohol-moistened

swab:record/playback heads pinch rollerserase head rubber beltscapstan idlers

2. Demagnetize the record/playback head with a head demagne-tizer.

3. Do not use a magnetized screwdriver for the adjustments.4. After the adjustments, apply suitable locking compound to the

parts adjusted.5. The adjustments should be performed with the rated power sup-

ply voltage unless otherwise noted.

Mode Torque meter Meter reading

4. Press the x button, ENTER button and CLOCK/TIMER SET button simultaneously.

oscilloscope

IC401rs D.SENS (CH1)IC4014 HHOUT (CH2)

GND

19

5. The disc table rotates in the clockwise direction. The disc table rotation time is displayed with “PLUS ONE” slit as a measuring point.6. Measure the waveform of the oscilloscope when the disc table is rotating.7. Move the holder (sensor) center so that the flat portion center at the top of the D.SENS (CH1) input waveform and the “H” center of

HHOUT (CH2) coincide.

8. Tighten the fixed screw to fix the disc table, then press the CLEAR button.9. The disc table rotates in the counterclockwise direction. Measure the waveform and make sure that the flat portion center at the top of the

D.SENS (CH1) input waveform and the “H” center of HHOUT (CH2) coincide.10. If the adjustment is not successful, press the CLEAR button to rotate the disc table in the clockwise direction, and perform steps 6 to 9.Note: During the adjustment mode, the rotational direction is switched each time the CLEAR button is pressed.

Pressing the CHECK button enters the loading mode which will be described later. Pressing the CLEAR button rotates the disc tableagain.

PLUS ONE

HHOUT (CH2) waveform

D.SENS (CH1) waveform

Flat portion center of D.SENS (CH1) waveform

Fixed screw

Holder (sensor)

20

MAGNET ASSY ALIGNMENT1. Check that there is no disc in the unit and then turn ON the power. Open the door, and set a disc in the PLUS ONE slit.2. Close the door, and while pressing the x button, ENTER button and CLOCK/TIMER SET button simultaneously.3. Press the CHECK button, and set the loading mode.4. Press the + J L button and chuck the disc.5. Adjust the magnet assembly and magnet holder so that A = B as shown in the figure.

DISC HOLDER A ALIGNMENT1. Check that there is no disc in the unit and then turn ON the power. Open the door, and set a disc in the PLUS ONE slit.2. Close the door, and while pressing the x button, ENTER button and CLOCK/TIMER SET button simultaneously.3. Press the CHECK button, and set the loading mode.4. Press the + J L button and chuck the disc.5. Press + J L or l j – button to stop the disc holder A slightly away from the disc.6. Rotate and adjust the adjusting screw so that the center of the disc and that of the disc holder coincide.

A B

Magnet ASSY

Magnet holder

Magnet ASSY

Screw (For adjustment)

Disc

Disc holder A

Disc holder A Screw (For adjustment)

Disc

a = ba b

21

SECTION 5ELECTRICAL ADJUSTMENTS

2. Turn the adjustment screw and check output peaks. If the peaksdo not match for L-CH and R-CH, turn the adjustment screwso that outputs match within 1 dB of peak.

3. Mode: Playback

4. After the adjustments, apply suitable locking compound to thepats adjusted.

Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).

0 dB = 0.775 VDECK SECTION

1. Demagnetize the record/playback head with a head demagne-tizer.

2. Do not use a magnetized screwdriver for the adjustments.3. After the adjustments, apply suitable locking compound to the

parts adjust.4. The adjustments should be performed with the rated power sup-

ply voltage unless otherwise noted.5. The adjustments should be performed in the order given in this

service manual. (As a general rule, playback circuit adjustmentshould be completed before performing recording circuit ad-justment.)

6. The adjustments should be performed for both L-CH and R-CH.

7. Switches and controls should be set as follows unless otherwisespecified.

• Test Tape

Record/Playback Head Azimuth Adjustment

Tape Signal Used for

P-4-A100 10 kHz, –10 dB Azimuth Adjustment

WS-48B 3 kHz, 0 dB Tape Speed Adjustment

P-4-L300 315 Hz, 0 dB Level Adjustment

DECK A/B

Note: Perform this adjustments for both decksProcedure:1. Mode: Playback

set

main boardCN301BPin qs (L-CH)Pin qa (R-CH)

main boardCN301BPin 0 (GND)

+–

level meter

test tapeP-4-A100(10 kHz, –10 dB)

Screwposition

L-CHpeak

within1dB

Outputlevel

L-CHpeak

R-CHpeak

within1dB

Screwposition

R-CHpeak

MAINboardCN301Bset

test tapeP-4-A100(10 kHz, –10 dB)

pin qa

oscilloscope

L-CH

R-CH

V H

waveform of oscilloscope

in phase 45° 90° 135° 180°

good wrong

pin 0

pin qs

L

R

22

[MAIN BOARD] (Component Side)

[CASSETTE BOARD] (Component Side)

[LEAF SW BOARD] (Component Side)

Tape Speed Adjustment DECK A/BNote: Start the Tape Speed adjustment as below after setting to the test

mode.Procedure:1. Press the @/1 button to turn ON the power.2. Press the x button, ENTER button and TIMER SELECT

button simultaneously.(The “VOLUME” on the fluorescent indicator tube will blinkwhile in the test mode.)To exit from the test mode, press the @/1 button.

Mode: Playback

1. Insert the WS-48B into the deck.2. Press the H button on the deck.3. Adjust RV1002 on the LEAF SW board so that frequency

counter reads 3,000 ± 90 Hz.Adjustment Location: LEAF SW board

Sample Value of Wow and filterW, RMS (JIS) within 0.3%(test tape: WS-48B)

Playback level Adjustment DECK A/BProcedure:Mode: Playback

Adjust DECK A/B: VR301 (R-CH) so the level meter readingbecomes the adjustment limits below.Adjustment Level:CN301 PB level: 155 to 275 mV (– 14 to – 9 dB) level differencebetween the channels: within ± 0.5 dBAdjustment Location: CASSETTE board

+–

set

test tapeWS-48B (3 kHz, 0 dB)

main boardCN301B (Pin qs : L-CH)

(Pin qa : R-CH)

frequency counter

+–

set

test tapeP-4-L300(315 Hz, 0 dB)

Phones jack (HP801)

level meter

CN401

CN301B

IC501

CN402

1 9

2 8

1 15

2 16

12 2

11 1

VR301PB

LEVELIC301

CN3011

2

11

12

TAPE SPEED

RV1002

(NORMAL)

CN1001

2323

When a general remote commander is used:1. Press the @/1 button to turn ON the power.2. Open the front cover, and press the CD PLUS ONE button.3. Set the disc (YEDS-18) into the “PLUS ONE” slit.4. Close the front cover, and chuck the disc.5. Press the @/1 button to turn OFF the power.6. Connect the oscilloscope to TP (TE) of the BD board.7. Connect TP (ADJ) of the MAIN board and connect TP (GND)

with a lead wire.8. Press the @/1 button to turn ON the power.9. Playback the fifth track of the disc.10. Press the 3 button on the remote commander. (The tracking

servo and the sledding servo are turned OFF.)11. Check the level B of the oscilloscope's waveform and the A

(DC voltage) of the center of the Traverse waveform.Confirm the following :A/B x 100 = less than ± 10%

10. Confirm that oscilloscope waveform is clear and check RF sig-nal level is correct or not.

11. Turn OFF the power, and remove the lead wire connected atstep 7.

Note : A clear RF signal waveform means that the shape “◊” can beclearly distinguished at the center of the waveform.

E-F Balance (Traverse) CheckThe procedure for this checking method differs for when a generalremote control unit is used and not used.

12. Press the 8 button on the remote control unit. (The trackingservo and sledding servo are turned ON.) Confirm the C (DCvoltage) is almost equal to the A (DC voltage) is step 11.


CD SECTION

Note :1. CD Block is basically designed to operate without adjustment.

Therefore, check each item in order given.2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.3. Use an oscilloscope with more than 10 MW impedance.4. Clean the object lens by an applicator with neutral detergent

when the signal level is low than specified value with thefollowing checks.

S Curve CheckProcedure :1. Press the @/1 button to turn ON the power .2. Open the front cover, and press the CD PLUS ONE button.3. Set the disc (YEDS-18) into the “PLUS ONE” slit.4. Close the front cover, and chuck the disc.5. Press the @/1 button to turn OFF the power.6. Connect the oscilloscope to TP (FE) of the BD board.7. Connect TP (ADJ) of the MAIN board and connect TP (GND)

with a lead wire.8. Press the @/1 button to turn ON the power.9. The first track will be played back automatically. When the

CHECK button is pressed, “S JI” will be displayed on thefluorescent indicator tube, and focus search will be repeated.

10. Check the oscilloscope waveform (S-curve) is symmetricalbetween A and B. And confirm peak to peak level within 1.8 ±0.6 Vp-p.


Note : • Try to measure several times to make sure than the ratioof A : B or B : A is more than 10 : 7.

• Take sweep time as long as possible and light up thebrightness to obtain best waveform.

RF Level Check

Procedure :1. Press the @/1 button to turn ON the power.2. Open the front cover, and press the CD PLUS ONE button.3. Set the disc (YEDS-18) into the “PLUS ONE” slit.4. Close the front cover, and chuck the disc.5. Press the @/1 button to turn OFF the power.6. Connect the oscilloscope to TP (RF) of the BD board.7. Connect TP (ADJ) of the MAIN board and connect TP (GND)

with a lead wire.8. Press the @/1 button to turn ON the power.9. Playback the fifth track of the disc.

oscilloscope

BD board

TP (FE)TP (VC)

S-curve waveformsymmetry

within 1.8 ± 0.6Vp-pA

B

oscilloscope

BD board

TP (RF)TP (VC)

RF signal waveform

level : 1.8 ± Vp-p

VOLT/DIV : 200mVTIME/DIV : 500ns

+0.3–0.2

TP (TE)TP (VC)

BD board

oscilloscope

Traverse waveform

A (DC voltage)

B

Center of the waveform

level : 0.7 ± 0.3 Vp-p

0V

Traverse waveform

0VC (DCvoltage)

Tracking servoSled servo

ON

Tracking servoSled servo

OFF

When a general remote commander is not used:1. Solder lead wires to TP (DVDD) and TP (TOFF) on the BD

board severally.2. Connect the oscilloscope to TP (TE) of the BD board.3. Press the @/1 button to turn ON the power.4. Open the front cover, and press the CD PLUS ONE button.5. Set the disc (YEDS-18) into the “PLUS ONE” slit.6. Close the front cover, and chuck the disc.7. Playback the fifth track of the disc.8. Short-circuit the lead wire connected at step 1. (The tracking

servo is turned OFF)9. Check the level B of the oscilliscope's waveform and the A

(DC voltage) of the center of the Traverse waveform.Confirm the following :A/B × 100 = less than ± 10%

10. Disconnect the lead wire short-circuited at step 8. (The trackingservo is turned ON.) Confirm the C (DC voltage) is almostequal to the A (DC voltage) is step 8.


RF PLL Free-run Frequency CheckProcedure :1. Connect the frequency counter to TP (PLCK) of the BD board.

2. Press the @/1 button to turn ON the power.3. Open the front cover, and press the CD PLUS ONE button.4. Set the disc (YEDS-18) into the “PLUS ONE” slit.5. Close the front cover, and chuck the disc.6. Playback the fifth track of the disc.7. Confirm that reading on frequency counter is 4.3218 MHz ±

30 kHz.

Adjustment Location :

[ BD BOARD ] — CONDUCTOR SIDE —

[ MAIN BOARD ] — COMPONENT SIDE —

oscilloscope

BD board

TP (TE)TP (VC)

Traverse waveform

A (DC voltage)

B

Center of the waveform

level : 0.7 ± 0.3 Vp-p

0V

Traverse waveform

0V

C (DC

Tracking servoOFF

Tracking servoON

voltage)

frequency counterBD board

TP (PLCK)

IC102

IC101

TP(VC)

TP(TE)

TP(FE)

TP(RF)

TP(PLCK)

CN101

CN102

CN103

TP(DVDD)TP

(TOFF)

CN401

CN301B

IC501

CN402

1 9

2 8

1 15

2 16

12 2

11 1

HCD-M100/M300AV

2424

SECTION 6DIAGRAMS

6-1. BLOCK DIAGRAM – CD SECTION –

OPTICAL PICK-UPBLOCK

(KSM-213BFN/C2NP)

LDDRIVER

Q103

A+5V

LD

GND

FOCUSCOIL

F+

F

T+

TTRACKING

COIL

IC103

FCS/TRK COILSL/SP MOTOR

DRIVER

SLED/SPINDLE SERVORF AMPIC101

18

22

17

19

20

VR

PD

8

7

6

5

15

10V02

V IN 4

V IN 3

3V IN 1

2MUTE

V06

V05

V07

V08

V04

V03

V02

V01

M

M

MOTOR

M102SLED

MOTOR

M101SPINDOL

S101LIMIT

VDD

D IN

GND

A+5V

CDDIGITAL

OUT

IC402

09

:CD

:DIGITAL OUT

• SIGNAL PATH

41RF SMVR58VCC

VC

A

B

C

D

E

F

DETECTOR

FOCUS/TRACKING/

FIN 12

FIN 21

E3

F4

LDD62

LDS63

FD16

TO15

SLD29

SPD27

52DATA

50CLK

51CL

53CE

34TGL

54DRF

39CV-

40CV+

Q101

30SL-

Q102

31SL+

35TOFF

44SLI

49DEF

36TES

37HFL

33JP+

32JP-

DIGITAL SIGNALPROCESSOR

IC102

EFMI10

EFMO9

DEFI1

TES16

HFL15

JP+19

JP-20

COIN56

4.2M61

CQCK57

RWC54

TGL18

SLOF V/P14

CONT225

TOFF17

CONT326

CLV+12

CLV-13

CONT427

31D OUT

49PW

CD TEXTDECODER

IC104

SBSO2

WFCK4

MCK5

EXCK1

SCOR3

12SRDT

11SCLK

13DQSY

6XMODE

50SFSY

6016M

51SBCK

47SBSY

53WRQ

55SQOUT

3PDO

45XI

44XO

X10116.9344MHz

37L CH

40R CH R CH

58RESET

CD CHANGERCONTROL

IC401

80IIC DATA

78IIC CLK

66

65

64

67

55

49

SRDT

SCLK

DQSY

XMODE

WRQ

SQOUT

COIN50

BD RESET2

COCK48

RWC58

TGL57

DRF54

SL+47

SL-59

XTAL32

EXTAL31

X40110MHz

D151

IC461MOTOR DRIVER

8

9

11

10

OUT1+

OUT1-

OUT2+

OUT2-

M

M

MOTOR

M601LOADING

MOTOR

M602TABLE

3

2

16

17

R IN 1

F IN 1

R IN 2

F IN 2

LD OUT76

LD IN77

TBL L75

TBL R74

30RESET

42D SENS

Q471

815

8D0

D7

A0

A14

SRAMIC411

WE2720CE

29WE

RESETSW

Q411

+5V

Q51 D51DISC

SENSORDISC

SENSOR

62TSENS 1

61TSENS 2

70UP SW

71DOWN SW

69DOOR SW

63TSENS 3

TABLSENSORIC51-53

S51(UP)

S52(DOWN)

S413(DOOR)

RESET

IIC DATA

IIC CLK

CD L

MAINSECTION(Page 26)

B

AMPSECTION(Page 25)

A

38

1

2

3

BUFFER

MOTORCONTROL

Q464,468

MOTORCONTROL

Q461,465

MOTORCONTROL

Q463,467

MOTORCONTROL

Q462,466

HCD-M100/M300AV

2525

– MAIN SECTION –

• R-CH is omitted• SIGNAL PATH : CD : AUDIO : PB (DECK A) : PB (DECK B) : REC : MD/VIDEO

2122

MUTE

SWITCH

MUTE

Q293

MUTEQ292

MUTEQ291

MUTEQ131

Q294,295

72

74

77

78

76

9

14

17

222324

3

79

MUTESWITCH

OVER LOADDET.

Q263,264

MUTESWITCH

67 70 71 16566

Q171,172MUTE

CONTROL

POWERAMPMUTE

MUTESWITCH

MUTESWITCH

OVER LOADDET.

OVER LOADDET.

CD L

PB L

REC IN L

TUNER L

J01MD/VIDEO

IN(AUDIO)

L

L

R

REARSPEAKER

CENTERSPEAKER

SUPERWOOFER

79 63 62 75 74 61 68

27 28

LATCHDRIVER

LATCHDRIVER

LATCHDRIVER

PROTECTDC AMP

PROTECTSWITCH

OVER HEATDET.

3 1

3 1+7VREG

+9VREG

+5VREG

T992

D951

D961

AC IN3 1+5.6VREG

-30VREG.

B+SWITCH

RELAYDRIVER

RY771

Q841

Q842

1

80MIXAMP

Q161,162

R CH5 7

1 6

15 10

4567

8 9 27

Q141,143 Q145

3 1 1

12

6

Q741-743

Q197

IC831(1/3)

IC831(2/3)

Q771,772

Q703 Q721

Q711,712Q701,702

J801

L

R

FRONTSPEAKER

JK801

(FAN)M751

HP801PHONES

J103

IC101SOUND PROCESSOR

5 7IC121

JP101

M100MODEL

SCLSDA

IC141 IC801

Q801

Q732,733

Q751,752

RY731

+VE

-VE

+VE

-VE

-VP

VF2

VF1

M+13V

M+7V

A+9V

P+5V

+5.6V

P+5V CD

FORFRONTAMP

FORREARAMP

Q931 D836

IC922

Q901-904

IC921

Q921,922

PWR

SAVE

CD P

OWER

PL R

ELAY

F RE

LAY

LINE

MUT

E

PL C

EPL

CLK

PL D

OUT

MUT

E CE

NTER

MUT

E RE

AR

TDA

DATA

TDA

CLK

DBFB

H/N

DBFB

ON/

OFF

STK

MUT

E

JW84

0

JW83

8

JW83

2

IC931D831,832D931,932

RY991

D901-904

R CH

R CH

IC501(2/2)MASTERCONTROL

IC201PRO LOGIC PROCESSOR

MAINSECTION D(Page 26)

CDSECTION A(Page 24)

MAINSECTION

E

(Page 26)

MAINSECTION C(Page 26)

IC2513

DATASCKREQ

1IC251

M300AV MODEL

09

SPEANA

T991POWER

TRANSFORMER

F992

Q991

HCD-M100/M300AV

2626

– AUDIO SECTION –

8 IF OUT 1

4 3

ANTIN2

ANT1FE1

FRONTEND

16 FM IN

1 5CH1 A

2 CH1 B

9 REC OUT

REC OUT1

REC IN1

MIX OUT

A/B SW

18 PD

14

7ST/MONO

AM/FMAM OSC OUT

ST/MONO

8 FM DET.

1 FM IF IN

IC1AM/FM IF MPX

13L OUT

AM/FM15 24

AM IF OUT

AM IF IN

ST CE47ST CLK48

INF1F2F3F4

L+R

4 SPEANA1SPEANA2

SPEANA3L + R

35SPEANA0

GR1

VOL-AVOL-B

JOG-A

JOG-B

LED1

LED11

LED12

SEG1 ISEG16 •SEG17 ISEG19 •SEG20 ISEG24

GR2 IGR13

LED2

LED10

LED13

LED16

34

363732

X OUT8

X IN19

SIRCS33

RESET10

3

CLOCK23DATA24

AC CUT 60IIC CLK 78

IIC DATA 80

XTAL 32

EXTAL 31

NF

RESETIIC CLKIIC DATA

3

G1

G2 IG13

S1 IS16 •S17 •S19 •S20 IS24

4

21

6869

41

19

5276

AFC22AM RF IN21

AM OSC23

IF OUT10

AM IN

8

12

ON/OFF

IF IN

3CE4D IN5D CLK6D OUT

CEDICLKDO

10 FM/AM

1 X IN

X OUT

1432

1

12

11

TUNE OUT6FM ST OUT7

ST DIN49ST DOUT50STEREOTUNEDST MUTE

CECLKDIDOSTTUNEMUTE

6 PB MUTE

51

MUTE

11

7 REC MUTEMUTE

6 MUTE 41 AMS

19 MUTE

Q341BIASOSC

8

38

PB A/B

B MODE

10 TC RELAY

23 A HALF

21 A PLAY

9 REC/PBBIAS ON

15 CAPM CONT 1P

Q304

Q331

Q301

Q351,352

Q391,392

CAPSTANMOTORDRIVER

19 A TRG

20 B TRG

39 A SHUT

40 B SHUTDECK BREEL DET.

TRIGGERDRIVER

TRIGGERDRIVER

DECK ATRIGGER

DECK BTRIGGER

DECK AREEL DET.

Q381,382

Q376,378

Q375,377

IC1001

Q1001

IC1002

42I

53

80•1I6•

11•

12

16I

18•

25

26I

29

54I

69•

72I

70•

77I

73

62I

53

52I

13•

10I

12•9I5

20

2122

79

VOLUME

SIRCSREMOTESENSOR

JOG

1415

VOLUME

IC602

IC502

KEY0IKEY3

KEYMATRIX

RESET

X6018MHz

CD51

X51110MHz

X7175kHz

S631-637S638(M300AV MODEL)S640-642S651-660S671-674S681-686

Q691,692D691

ID697

D632-635D638(M300AV MODEL)D657,672,675

D682

D662-665

S602SELECTOR

M300AVMODEL

S601VOLUME

MUTEQ621

22 B PLAY

S1003(A HALF)

S1001(A PLAY)

S1002(B PLAY)

S1006(B HALF)

S1009(B REC)S1005

(A REC)3 1

4

2

M

L CH

R CHREC/PBHEAD

ERASEHEAD

HD302(B DECK)

R CHR CH

REC BIASSWITCH

TU B+REG.

12 13 9 8

4 5 11 6 7

T1 Q2

TU B+

FM B+SWITCH

FM IFAMP

IC301REC/PB AMP

A+9V FL601

IC601SYSTEM CONTROL

TAPE SPEEDCONTROL

TUNER L

AMPSECTION

C

(Page 25)

AMPSECTION

E

(Page 25)

CDSECTION

B

(Page 24)

AMPSECTIOND (Page 25)

Q1CF2

IC2PLL

CF1

VT F OUT

L CH

R CHR CH

HD301PB HEAD(A DECK)

SPEANAPB L

REC L

FM75Ω

AM

Q3

A+9VFMB+

22

TUB+

T2

IC501(1/2)MASTER CONTROL

2

4

IC361REC/PBSWITCH

A+9V

MUTETUNEST

IC603SPEANA CONTROL

1617

151413

F1

F2

M1CAPSTANMOTOR

RV1001HIGH

RV1002NORMAL

T341REC BIAS

09

• R-CH is omitted• SIGNAL PATH : FM : AM : PB (DECK A) : PB (DECK B) : REC : AUDIO

2727

6-2. CIRCUIT BOARDS LOCATION

FRONT SP TERM board

REAR SP TERM board (M300AV)

REAR AMP board (M300AV)

FRONT AMP board

PHONES board

PANEL (L) board

PANEL (R) board

CD MOTOR board

SW board

BD board

DISC SENSOR (S) board

DISC SENSOR (R) board

MAIN board

DOOR LEDboard

CASSETE board

LEAF SW board(not supplied)

TABLE SENSOR board

PANEL board

DOOR SW board

CD LED board

SUB TRANS board

TRANS board

For schematic diagrams.Note:• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolyticsand tantalums.

• All resistors are in Ω and 1/4 W or less unless otherwisespecified.

• % : indicates tolerance.• f : internal component.• 2 : nonflammable resistor.• 1 : fusible resistor.• C : panel designation.

• U : B+ Line.• V : B– Line.• H : adjustment for repair.• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.• Voltages are taken with a VOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-tion tolerances.

• Waveforms are taken with a oscilloscope.• Circled numbers refer to waveforms.• Signal path.

F : FMg : VIDEO/MDE : PB (DECK A)d : PB (DECK B)G : REC (DECK B)J : CDc : CD DIGITAL

THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this necessary note is printed in eachblock.)

For printed wiring boards.Note:• X : parts extracted from the component side.• f : internal component.• b : Pattern from the side which enables seeing.

Note:The components identi-fied by mark 0 or dottedline with mark 0 are criti-cal for safety.Replace only with partnumber specified.

Note:Les composants identifiés parune marque 0 sont critiquespour la sécurité.Ne les remplacer que par unepiéce portant le numérospécifié.

C

B

These are omitted.

E

Q

B

These are omitted.

C E

HCD-M100/M300AV

2828

6-3. PRINTED WIRING BOARD – BD SECTION – • See page 27 for Circuit Boards Location.

MTO

MAIN BOARDCN402

(Page 34)

NTO

MAIN BOARDCN401

(Page 34)

1-664-353-

12

(12)

BD BOARD

M

M

M101SPINDLE MOTOR

M102SLED

MOTOR

OPTICALPICK-UP

E

E

E(LIMIT)

TP(DVDD)

TP(FE)

TP(TE)

TP(VC)

TP(RF)

TP(PLCK)J

W13

5

TP(TOFF)

1 2

A

B

C

D

E

F

G

H

I

J

3 4 5 6 7 8 9 10

09

KSM-213BFN/C2NP

Ref. No. Location

D151 B-4

IC101 E-4IC102 E-7IC103 B-8IC104 C-8

Q101 H-6Q102 G-6Q103 B-2

• SemiconductorLocation

HCD-M100/M300AV

2929

6-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 48 for Waveforms. • See page 48, 50 for IC Pin Functions.

1SS133T

1

2

3

7 6

4

5

KSM-213BFN/C2NP

CD

36 36

09

PINFUNCTION

PINFUNCTION

Note: The components identified by mark 0 or dotted linewith mark 0 are critical for safety.Replace only with part number specified.

HCD-M100/M300AV

3030

6-5. PRINTED WIRING BOARD – CD MOTOR SECTION – • See page 27 for Circuit Boards Location.

J

ITO

MAIN BOARD CN451

(Page 34)

TO MAIN BOARD

CN453(Page 34)

L

TO MAIN BOARD

CN461(Page 34)

K

TO MAIN BOARD

CN454 (Page 34)

CD MOTOR BOARD

TABLE SENSOR BOARD

DOOR SW BOARD

DISC SENSOR (S) BOARD

M M

M62TABLE MOTOR

M61LOADING MOTOR

1-663-973-

11

(11) 1-663-975-

11

(11)

1-663-974-

11

(11)

1-663-971-

11

(11)

1-663-972-

11

(11)

1

DISC SENSOR (R) BOARD

Q51

(DOWN)

(UP)

1 2

A

B

C

D

E

F

G

3 4 5 6 7 8 9 10 11 12 13

09

HCD-M100/M300AV

3131

6-6. SCHEMATIC DIAGRAM – CD MOTOR SECTION –

CD

36

36

36

36

09

HCD-M100/M300AV

3232

E E

E

E

E E

E

E

CN301E

E

1

1

1 24

12 1311

12 2

9

IC301

R-CH

L-CH

4

4

3

3

2

2

1

1

A DECK HD301

PLAYBACKHEADR-CH

L-CH

43

6

709

5

21

B DECK HD302

RECORD/PLAYBACK

ERASE HEAD

1

A

B

C

2 3 4 5 6 7 8

17

26

3

4

5

11

(11)

TOMAIN BOARD

CN301BF(Page34)CASSETTE BOARD

D361

6-7. PRINTED WIRING BOARD – AUDIO SECTION – • See page 27 for Circuit Boards Location.

Ref. No. Location

D361 B-4D391 B-3

IC301 B-6IC361 C-3

Q301 A-7Q303 A-6Q304 A-5Q331 B-3Q332 B-3Q341 A-1Q351 A-1Q352 A-2Q391 B-4Q392 B-3


HCD-M100/M300AV

3333

6-8. SCHEMATIC DIAGRAM – AUDIO SECTION – • See page 56 for IC Block Diagrams.

HCD-M100/M300AV

3434

MAIN BOARD

TOTRANS BOARD

CN994 B(Page41)

TOSUB TRANS

BOARDCN997

P(Page41)

TOPANEL BOARD

CN601 E(Page42 )

TOFRONT AMP

BOARDCN801

A

(Page44)

09

TOBD BOARD

CN102

N

(Page28)

TODISC SENSOR(S)

BOARDCN53

(Page30)I

TOCASSETTE BOARD

CN301F(Page32)

1

A

B

C

D

F

H

E

G

2 3 4 5 6 7 8 109

11

(11)

41 40

80

64

65

25

24

1

IC501

E E

E

E E

EEEE

E

2425

65

4140

801

115

216

1

12

12

13

9

28

16

64

IC401

TP6

TP132C131

TP4

TP8

TP7

TP3

TP1

TP211 12

11528

141

1

1

1

19

210

3

11

2 12

10

1

12

1716

10

22

E

E

EIC101

EE

EE

EE

E E E

E

E

E E

E

E

E

E

E

E

C

B

E

E EE E

E

3131

BCE

1 3

1

1

124

13 12

4119

87 6 4 3

458

IC201

2425

65

80

141

40

64

3

1

1

1 9

18 104

TOREAR AMP BOARD

CN841BG(Page47)

TOBD BOARD

CN103

M

(Page28)

TOTABLE SENSOR

BOARDCN51

J

(Page30)

TOSW BOARD

CN54

K

(Page30)

TOCD MOTOR BOARD

CN61

L

(Page30)

1-677-235-

M300AV

M300AV

M300AV

M100

M100

M300AV

M751

(FAN)

L

RMD/VIDEO INPUT

OUT SUPER WOOFER

FM75Ω

AM

J103

CD DIGITAL OUTIC402

E

E E

E E

18

81

(CHASSIS)

TC MECHANISMBLOCK

(LEAF SW BOAD)

1

6

C411IC411

TP131

Q295

E

M300AV

8 1

E

E

Q162

Q161

R32

ANT1

J101

114

15 28

11

1-677-243- (11)

DOOR SW BOARD

12

Ref. No. Location

D51 A-7D52 C-8D85 B-8D141 B-4D142 D-5D143 C-4D172 B-4D176 D-5D197 C-4D198 B-5D401 G-8D402 G-7D411 G-7D501 C-1D502 C-1D503 C-1D541 C-1D542 B-1D753 F-5D754 F-5D901 E-1D902 E-1D903 F-1D904 F-1D905 E-5D936 E-1D937 D-1D971 E-2D972 D-1

IC1 C-9IC2 A-7IC101 B-5IC121 C-6IC141 B-5IC201 E-8IC251 E-7IC401 G-8IC402 H-10IC411 G-9IC461 H-9IC501 B-2IC502 C-1IC921 F-3IC922 F-4

Q1 A-9

6-9. PRINTED WIRING BOARD – MAIN SECTION – • See page 27 for Circuit Boards Location.

• Semiconductor Location

Ref. No. Location

Q2 B-8Q3 B-8Q131 F-9Q141 C-5Q142 C-5Q143 C-5Q144 C-4Q145 B-5Q146 B-4Q161 E-7Q162 E-7Q171 B-4Q172 A-4Q197 C-4Q263 C-8Q264 C-8Q294 C-8Q295 C-8Q375 D-2Q376 D-2Q377 D-2Q378 D-2Q381 E-2Q382 E-2Q411 H-10Q461 H-9Q462 H-9Q463 G-9Q464 G-9Q465 G-9Q466 G-9Q467 G-9Q468 G-9Q471 E-6Q472 E-6Q751 F-4Q752 F-4Q901 E-4Q902 E-4Q903 E-4Q904 E-4Q921 F-3Q922 F-3Q931 E-1Q971 E-1Q972 E-1

HCD-M100/M300AV

3535

6-10. SCHEMATIC DIAGRAM – MAIN (1/6) SECTION – • See page 48 for Waveforms. • See page 59 for IC Block Diagrams.

HCD-M100/M300AV

3636

6-11. SCHEMATIC DIAGRAM – MAIN (2/6) SECTION – • See page 32 for Printed Wiring Board. • See page 48 for Waveforms. • See page 52 for IC Pin Functions. • See page 56 for IC Block Diagrams.

PINFUNCTION

HCD-M100/M300AV

3737

6-12. SCHEMATIC DIAGRAM – MAIN (3/6) SECTION – • See page 32 for Printed Wiring Board. • See page 58 for IC Block Diagrams.

HCD-M100/M300AV

3838

6-13. SCHEMATIC DIAGRAM – MAIN (4/6) SECTION – • See page 32 for Printed Wiring Board. • See page 57, 58 for IC Block Diagrams.

HCD-M100/M300AV

3939

6-14. SCHEMATIC DIAGRAM – MAIN (5/6) SECTION – • See page 32 for Printed Wiring Board. • See page 48 for Waveforms. • See page 53 for IC Pin Functions.

PINFUNCTION

HCD-M100/M300AV

4040

6-15. SCHEMATIC DIAGRAM – MAIN (6/6) SECTION – • See page 32 for Printed Wiring Board.

HCD-M100/M300AV

4141

6-16. PRINTED WIRING BOARD – POWER SECTION – • See page 27 for Circuit Boards Location. 6-17. SCHEMATIC DIAGRAM – POWER SECTION –

TOREAR AMP

BOARD CN903B

TOFRONT AMP

BOARD CN951

TOMAIN BOARD

CN901(Page47)

1-677-242-

11

(11)

LN1 3 1 3 1 5

D

(Page44)

C

(Page34)

B

1

T991POWER TRANSFORMER

M300AV

TRANS BOARD

N F

OUT IN

E

ACIN

1-677-247-

T992POWER TRANSFORMER

SUB TRANS BOARD

TOMAIN BOARD

CN902

P(Page34)

1

11

(11)

HCD-M100/M300AV

4242

6-18. PRINTED WIRING BOARD – PANEL SECTION – • See page 27 for Circuit Boards Location.

PANEL(R) BOARD

11

(11)

M300AV

1 4

M300AV

1

FUNCTION

DBFB

STEREO/MONO(CONTINUE)

TUNER MEMORY(PROGRAM)

DIRECTION(SHUFFLE)

S685

S686

PANEL(L) BOARD

2

411

(11)

/

7 2

6465

25

40

411

1 9

18 10

80

24

M300AV

M300AV

M300AV

D635D634

E E

12

10 2

9 14 7 1

PANEL BOARD

TOMAIN BOARD

CN601BE(Page34)

11

(11)

21 31

A

B

C

D

E2 3 4 5 6 7

M>

m.

SELECTOR

FILE SELECT

TUNER/BAND

VOLUME

n TAPE BN

R665JW61

5

CD u

X PAUSE z REC

S631

CDSYNCHRO

CDPLUS ONE

PRO LOGIC

SEARCH SCAN

MEMO

INPUTS640 S642S641

n TAPE AN

x

E

311

(11)

CD LED BOARD

2

4

11

(11)

DOOR LED BOARD2

Ref. No. Location

D601 E-3D632 C-5D633 C-5D634 D-5D635 D-6D638 C-7D657 C-2D662 C-2D663 C-3D664 C-5D665 C-6

IC601 A-3IC602 A-7IC603 B-5

Q621 A-6Q691 D-2Q692 D-2

• SemiconductorLocation(PANEL Board)

HCD-M100/M300AV

4343

PINFUNCTION

6-19. SCHEMATIC DIAGRAM – PANEL SECTION – • See page 48 for Waveforms. • See page 56 for IC Block Diagrams. • See page 55 for IC Pin Functions.

HCD-M100/M300AV

4444

11

1-677-246-(11)

FRONT SP TERM BOARD

FRONT SPEAKER

R

L2

L701

1

4

L702

6-20. PRINTED WIRING BOARD – FRONT AMP SECTION – • See page 27 for Circuit Boards Location.

PHONES BOARD

11

HP803PHONES

(11)

1

4

1

1-677-241-

FRONT AMP BOARD

TOTRANS BOARD

CN992

C(Page41)

TOREAR AMP

BOARDCN701B

O

(Page47)

TOMAIN

BOARDCN801B

A

(Page34)

11

(11)

EE

1

4

1

1

14 110

3

4

CN802

1

E

E

E E

E

EEE

E

E

E

E

8

15

1

A

B

C

D

E

2 3 4 5

2

1

M300AV

Ref. No. Location

D731 A-5D732 C-5D733 E-2D751 C-4D752 C-4D801 A-1D802 A-2D803 D-2D951 B-3

IC801 A-1

Q701 E-1Q702 E-1Q703 E-1Q711 D-1Q712 D-1Q721 D-1Q731 D-2Q732 D-2Q733 D-2Q741 D-2Q742 D-1Q743 D-2Q801 A-2Q802 A-2


HCD-M100/M300AV

4545

6-21. SCHEMATIC DIAGRAM – FRONT AMP SECTION –

HCD-M100/M300AV

4646

6-22. SCHEMATIC DIAGRAM – REAR AMP SECTION – (HCD-M300AV ONLY)

HCD-M100/M300AV

4747

6-23. PRINTED WIRING BOARD – REAR AMP SECTION – (HCD-M300AV ONLY) • See page 27 for Circuit Boards Location.

11

CENTER SPEAKER

(11)

REAR SP TERM BOARD

REAR SPEAKER

R

L

4

1

1

A

B

C

D

E

2 3 41-677-248-

REAR AMP BOARD

TOFRONT AMP

BOARDCN701 O

(Page34)

11

(11)

115

E

EE

E

4

E

7

E

TOTRANS BOARD

CN993

D

(Page41)

TOMAIN BOARD

CN841B G(Page34)

4

3

1

1

L842

L841

Ref. No. Location

D771 B-1D841 B-3D842 B-3D882 C-2D883 C-1D961 D-4

IC831 A-4

Q291 B-1Q292 B-2Q771 C-1Q772 C-1Q841 B-4Q842 B-3


4848

6-24. WAVEFORMS 6-25. IC PIN FUNCTION DESCRIPTIONBD BOARD IC101 LA9240M (FOCUS/TRACKING/SLED SERVO, RF AMP)

Pin No. Pin Name I/O Function

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

FIN2

FIN1

E

F

TB

TE–

TE

TESI

SCI

TH

TA

TD–

TD

JP

TO

FD

FD–

FA

FA–

FE

FE–

AGND

SP

SPI

SPG

SP–

SPD

SLEQ

SLD

SL–

SL+

JP–

JP+

TGL

TOFF

TES

HFL

Connected to the pick-up photodiode

Added with FIN1 to create RF signal, subtracted with FIN1 to create FE signal


Connected to the pick-up photodiode Subtracted with F to create TE signal


DC component of the TE signal is input

Connects the TE signal gain setting resistor between TE pins

TE signal output

TES (Track Error Sense) comparator input. The TE signal is band-passed and input

Shock detection input

Tracking gain time constant setting

TA amplifier output

Creates a tracking phase compensation constant between TD and VR pins

Tracking phase compensation setting

Tracking jump signal (kick pulse) amplitude setting

Tracking control signal output

Focusing control signal output

Creates a focusing phase compensation constant between FD and FA pins

Creates a focusing phase compensation constant between FD- and FA- pins

Creates a focusing phase compensation constant between FA and FE pins

FE signal output

Connects the FE signal gain setting resistor between TE pins

Analog signal Ground

Single end output of CV+ and CV- pin signal

Spindle amplifier input

Gain setting resistor is connected when the spindle 12cm mode

Works together with the SPD pin to connect to the spindle phase compensation constant

Spindle control signal output

Sled phase compensation constant is connected

Sled control signal output

Sled feeding signal is input from the microprocessor

Sled feeding signal is input from the microprocessor

Tracking jump signal is input from the DSP

Tracking jump signal is input from the DSP

Tracking gain control signal is input from the DSP Gain becomes low when TGL is “H”

Tracking off control signal is input from the DSP

Tracking becomes off when TOFF is “H”

Outputs TES signal to the DSP

HFL (High Frequency Level) is used to determine whether the main beam is

positioned on a pit or a mirror

I

I

I

I

I

I

O

I

I

I

O

I

O

I

O

O

I

O

I

O

I

—

O

I

I

I

O

I

O

I

I

I

I

I

I

O

O

– MAIN Section – – PANEL Section –

1 IC2 ws (XOUT)

5.5Vp-p75 kHz

3 IC501 ea (EXTAL)

2 IC401 ea (EXTAL)

4.8Vp-p10 MHz

4.8Vp-p10 MHz

1 IC601 8 (X-OUT)

4.2Vp-p8MHz

1 IC101 ra (RFSM)TP(RF)

1.7Vp-p

0.4Vp-p

5.2Vp-p230ns

6 IC102 y; (16M)

16.9344 MHz

4.2336 MHz

7 IC102 ya (4.2M)

5Vp-p

5 IC102 rf (XOUT)X101

5.2Vp-p16.9344 MHz

2 IC101 w; (FE) (PLAY MODE)

3 IC101 7 (TE)TP(TE)

4 IC102 wa (PCK)TP(PLCK)

0.5Vp-p5.3Vp-p

– BD Section –

49

Pin No. Pin Name I/O FunctionSled servo off control input

CLV error signal is input from the digital signal processor

CLV error signal is input from the digital signal processor

RF output

Works together with the RFSM pin to set the RF gain and the 3T compensation constant for

the EFM signal

SLI (Slice Level Control) is output to control a data slice level of the RF waveform by the

digital signal processor

Input pin for controlling a data slice level by the digital signal processor

Digital Ground

Focus search smoothing capacitor output

TBC (Tracking Balance Control) sets a EF balance variable range

Not used

Defect detection output for a disc

Reference clock input The 4.23 MHz of the digital signal processor is input

Microprocessor command clock input

Microprocessor command data input

Microprocessor command chip enable input

DRF (Defect RF) outputs a RF level detection

FSS (Focus Search Select) is a switching pin for the focus search mode

(±search/+search for a reference voltage)

Servo system and digital system VCC

Reference voltage bus control is connected

Reference voltage output

Constant setting for a disc defect detection

Connected to the capacitor for the RF signal peak hold

Connected to the capacitor for the RF signal bottom hold

APC circuit output

APC circuit input

RF system VCC

I

I

I

O

I

O

I

—

O

I

—

O

I

I

I

I

O

I

—

I

O

I

I

I

O

I

—

• AbbreviationEFM : Eight to Fourteen ModulationAPC : Auto Power Control

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

SLOF

CV–

CV+

RFSM

RFS–

SLC

SLI

DGND

FSC

TBC

NC

DEF

CLK

CL

DAT

CE

DRF

FSS

VCC2

RFFI

VR

LF2

PH1

BH1

LDD

LDS

VCC1

50

BD BOARD IC102 LC78622E (DIGITAL SIGNAL PROCESSOR)


• AbbreviationPLL : Phase Locked LoopEFM : Eight to Fourteen Modulation

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

DEFI

TAI

PDO

VVSS

ISET

VVDD

FR

VSS

EFMO

EFMIN

TEST2

CLV+

CLV–

V/P

HFL

TES

TOFF

TGL

JP+

JP–

PCK

FSEQ

VDD

CONT1

CONT2

CONT3

CONT4

CONT5

I

I

O

—

I

—

I

—

O

I

I

O

O

O

I

I

O

O

O

O

O

O

—

I/O

I/O

I/O

I/O

I/O

Defect detection signal (DEF) input (Be sure to connect to 0 when not in use)

PLL test input to incorporates a pull-down resistor (Be sure to connect to 0V)

PLL phase comparison output for external VCO control

PLL ground for the built-in VCO (Be sure to connect to 0 when not in use)

Connected to a current adjusting resistor for the PDO output

Built-in VCO power supply

Adjusts the VCO frequency range

Digital Ground to be sure to connect to 0

Slice level control to EFM signal output

Slice level control to EFM signal input

Test input to incorporates a pull-down resistor (Be sure to connect to 0V)

Disc motor control output (3-value output available depending on the command)

Rough servo/phase control automatic switching monitor output

“H”:rough servo, “L”:phase servo

Tracking detection signal input (Schmidt input)

Tracking error signal input (Schmidt input)

Tracking OFF output

Tracking gain switching output (Raises gain when “L”)

Track jump control output (3-value output available depending on the command)

EFM data playback clock monitor (4.3218 MHz when phase is locked)

Sync signal detection output (“H” when a sync signal detected from the EFM signal and that

generated internally coincide)

Digital power supply

General purpose output 1. Performs control using a serial data command from the

microprocessor (When not in use, connect to 0V by setting to an input or set to an open state

by setting to an output)













51


Note) Supply the same potential to each power supply pin (VDD, VVDD, LVDD, RVDD, XVDD).

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

O

O

O

I

I

—

O

—

O

—

—

O

—

O

—

O

I

—

O

O

O

O

I

O

O

I

O

I

I

I

O

O

O

I

I

I

Deemphasis monitor The deemphasis disc is being played back when “H”

C2 flag output

Digital OUT output (EIAJ format)

Test input Incorporates a pull-down resistor Be sure to connect to 0V

Test input Incorporates a pull-down resistor Be sure to connect to 0V

Not used Be sure to use it in an open state

L channel 1-bit DAC L channel mute output

L channel 1-bit DAC L channel power supply

L channel 1-bit DAC L channel output

L channel 1-bit DAC L channel ground Be sure to connect to 0V

R channel 1-bit DAC R channel ground Be sure to connect to 0V

R channel 1-bit DAC R channel output

R channel 1-bit DAC R channel power supply

R channel 1-bit DAC R channel mute output

Power supply for the crystal oscillator

Connected to the 16.9344 MHz crystal oscillator

Ground for the crystal oscillator Be sure to connect to 0V

Sync signal output for the subcode block

C1, C2, single correction, and double correction monitor

Subcode P, Q, R, S, T, U, W output

Subcode frame sync signal output

Rises when the subcode is in a standby

Subcode read clock input Schmidt input (Connect to 0V when not in use)

7.35 kHz sync signal output divided from the crystal oscillation

Subcode Q output standby output

Read/write control input Schmidt input

Subcode Q output

Command input from the microprocessor

Command input fetching clock input or subcode extracting clock input from SQOUT Schmidt

input

LC78622 reset input Temporarily set to “L” when the power is turned ON

Test output Use it in an open state (Normally, “L” output)

16.9344 MHz output

4.2336 MHz output

Test input. Incorporates a pull-down resistor. Be sure to connect to 0V

Chip select input Incorporates a pull-down resistor

Be sure to connect to 0V when not in control

Test input Does not incorporates a pull-down resistor Be sure to connect to 0V

EMPH

C2F

DOUT

TEST3

TEST4

NC

MUTEL

LVDD

LCHO

LVSS

RVSS

RCHO

RVDD

MUTER

XVDD

XOUT

XIN

XVSS

SBSY

EFLG

PW

SFSY

SBCK

FSX

WRQ

RWC

SQOUT

COIN

CQCK

RES

TEST11

16M

4.2M

TEST5

CS

TEST1

52

Pin No.

1

2

3

4

5

6 to 13

14 to 28

29

30

31

32

33

34, 35

36

37

38 to 41

42

43 to 46

47

48

49

50

51 to 53

54

55

56

57

58

59

60

61 to 63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

Pin Name

—

ICSW

—

HHOUT

—

D0 to D7

A0 to A14

/WE

RESET

10MHz

10MHz

VSS

—

AVSS

AVREF

—

D-SENS

—

SLED-P

CLK

SUBQ

DATA

—

FOK

WRQ

—

TGL

RWC

SLED-M

—

TSENS1 to TSENS3

DQSY

TCLK

TDATA

TMODE

—

DOORSW

OUTSW

INSW

VDD

—

TBLR

TBLL

LODOUT

LODIN

IICCLK

—

IICDAT

I/O

—

O

—

O

—

I/O

O

O

I

O

I

—

—

—

I

—

I

—

O

O

I

O

—

I

I

—

I

O

O

—

I

I

O

I

O

—

I

I

I

—

—

O

O

O

O

I

—

I/O

Function

Not used

IC reset signal output

Not used

Plus one LED signal output

Not used

SRAM data I/O

SRAM address output

SRAM write enable output

Reset signal input

X’tal(10MHz)

X’tal(10MHz)

Ground

Not used

Analog ground

Analog refernce voltage input

Not used

Disc detect sensor signal input

Not used

Sled motor control signal output

Clock signal output for LC78622E

CD sub-code input from LC78622E

Command output for LC78622E

Not used

DRF(FOK) signal input from LC78622E

Sub-code synchronizing signal input from LC78622E

Not used

Tracking gain control signal input from LC78622E

RWC(latch) output for LC78622E

Sled motor control output

Not used

Table sensor input

Data synchronizing signal input from decoder

Clock output for decoder

Data input from decoder

System down signal output for decoder

Not used

Front cover close detect input

Loading motor out detect input

Loading motor in detect input

Power supply(+5V)

Not used

Table motor clock wise turn signal output

Table motor counter clock wise turn signal output

Loading motor out direction signal output

Loading motor in direction signal output

Serial data clock input

Not used

Serial data I/O

MAIN BOARD IC401 CXP84632-158Q (CD CHANGER CONTROL)

53

MAIN BOARD IC501 CXP84632-159Q (MASTER CONTROL)

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

Pin Name

TDA DATA

NC

NC

NC

NC (VSS)

PB MUTE

REC MUTE

PB A/B

REC A/B

TC RELAY

BIAS N/H

R ON/OFF

EO H/M

CAPM H/L

CAPM CONT1P

CAPM CONT1M

CAPM CONT2P

CAPM CONT2M

A TRG

B TRG

A PLAY

B PLAY

A HALF

NC

NC

NC

PWRSAVE

CD POWER

SYS POWER

RST

EXTAL

XTAL

VSS

TX

TEX (VSS)

AVSS

AVREF

B MODE

A SHUT

B SHUT

AMS

NC

TEST

CLK CHK

SPEC

MODEL

ST CE

ST CLK

ST DIN

ST DOUT

I/O

O

—

—

—

—

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

I

I

I

—

—

—

O

O

O

I

I

O

—

—

—

—

I

I

I

I

I

—

O

O

I

O

O

O

I

O

Function

Data signal output for IC101

Not used

Not used

Not used

Not used (Ground)

TC PB mute control signal output

TC REC mute control signal output

TC PB deck-A/B selection output

TC REC deck-A/B selection output

TC RELAY selection output

TC BIAS selection output (Not used)

Not used

Not used

Not used

Capstan motor control 1 (+) signal output

Capstan motor control 1 (–) signal output (Not used)

Capstan motor control 2 (+) signal output (Not used)

Capstan motor control 2 (–) signal output (Not used)

A deck trigger motor control output

B deck trigger motor control output

A deck play detect

B deck play detect

A deck half detector signal input

Not used

Not used

Not used

Power save selection output

CD power ON/OFF control output

SYSTEM power ON/OFF control output

System reset input

X’tal (10MHz) input

X’tal (10MHz) output

Ground

Not used

Not used (Ground)

Analog ground

Analog reference voltage input

B deck half detector signal input

A deck reel pulse detector input

B deck reel pulse detector input

AMS signal input

Not used

Not used

Not used

Versin select signal input

Not used

Tuner chip enable output

Tuner clock output

Tuner data input

Tuner data output

54


51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

STEREO

TUNED

NC

NC (VSS)

NC (VSS)

NC (VSS)

NC (VSS)

NC

NC

AC CUT

F RELAY

DBFB ON/OFF

DBFB H/N

MO FUNC

PL CLK

PL CE

PL DOUT

PL RELAY

DVD SEL

MUTE CENTER

MUTE REAR

VDD

NC (VDD)

LINE MUTE

STK MUTE

ST MUTE

TC MUTE

IIC CLK

TDA CLK

IIC DATA

I

I

—

—

—

—

—

—

—

I

O

O

O

O

O

O

O

O

O

O

O

—

—

O

O

O

O

I/O

O

I/O

Stereo detection for tuner

Tuned detection for tuner

Not used

Not used (Connect to ground)




Not used

Not used

AC power down

Main speaker relay control signal output

DBFB ON/OFF select signal output

DBFB H/N select signal output

MD mute signal output

CLK signal output for IC201 (M62464)

Chip enable output for IC201 (M62464)

Data signal output for IC201 (M62464)

Surround speaker relay control signal output

DVD select output

Center speaker mute signal output

Rear speaker mute signal output

Power supply

Not used (Power supply)

Line mute signal output

STK ON/OFF selection output

Tuner mute signal output

TC mute signal output

Serial data clock input/output

Clock signal output for IC101

Serial data input/output

55

Pin No.

1 to 6

7

8

9

10

11, 12

13

14 to 18

19, 20

21, 22

23

24

25

26 to 29

30

31

32

33

34 to 37

38

39

40

41 to 53

54 to 77

78

79, 80

Pin Name

LED3 to LED8

VSS

XOUT

XIN

RESET

LED9, LED10

TEST

LED11 to LED15

VOLA, VOLB

JOGA, JOGB

SCL(IIC)

SDA(IIC)

LED SELECT

KEY0 to KEY3

MODEL

LED16

L+R

SIRCS

SPEANA0 to SPEANA3

AVSS

VAREF

VDD

GRID1 to GRID13

SEG1 to SEG24

VKK

LED1, LED2

I/O

O

—

O

I

I

O

—

O

I

I

I

I

O

I

I

O

I

I

I

—

—

—

O

O

—

O

Function

LED driver output

Ground

X’tal (8MHz)

X’tal (8MHz)

Reset signal input

LED driver output

Not used

LED driver output

Rotaly encoder pulse input for Volume

Rotaly encoder pulse input for Jog

Serial data clock input

Serial data input

LED select signal output

Key input

Model No. input

LED driver output

Spectrum analyzer (high frequency) input

Remote commander signal input

Spectrum analyzer signal input

Ground

Analog reference voltage input

Power supply (+5V)

Fluorescent disply tube gride signal output

Fluorescent disply tube segment signal output

—

LED driver output

PANEL BOARD IC601 TMP87CM74AF-1G57 (DISPLAY CONTROL)

56

6-26. IC BLOCK DIAGRAMS

IC603 (PANEL BOARD) BA3833F-E2

IC301 (CASSETE BOARD) TA8189N

2

3

14

1

f04

13 f

12 VCC

11 NC

10 NC

15 f03

5GND

6BIASC

7NC

8NC

9NC

4

16 f02

17 f01

18 RESETRESETC

PREF

LINENF

LINEIN

REFFERENCECURRENT

BPF DET

BPF DET

BPF DET

BPF DET

DET

RESET

Bias

IC461 (MAIN BOARD) BA6780

VIN2

FIN2

RIN2

CT2

VEE

FBIN-

FBIN+

OUT2+

OUT2-

VIN1

FIN1

REVE

RSIB

LE D

RIVE

RFW

D/RE

V CO

NTRO

LLER

COVE

RNER

DRI

VER

FWD/

REV

CONT

ROLL

ER

COVE

RNER

LOAD

CUR

RENT

DETE

CTIO

NAM

PLIF

IER

COVE

RNER

OU

TPUT

REFE

RENC

EVO

LTAG

EOU

TPUT

LOW

VOL

TAGE

OUTP

UT

RIN1

IOUT VEE

VEE

VCC

VREF

VREG

VCC

OUT1+ +-

OUT1-

18

17

16

15

1

2

3

4

5

6

7

8

9

14

13

12

11

10

IC361 (CASSETTE BOARD) uPC1330HA

1 2 3 4 5 6 7 8 9

INVERTER

COMPARATER

SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2

CH2/A CH2/B NF VCC CG NF ALCMETAL

OUTPREOUT

TAPE A/TAPE B

RECOUT

RECIN

CH1/A CH1/B NF GND1 M/H NF

CH2CH2

ALC

M/N

CH1

GNDGND

CH1+–

+–

+– +

–

A/B

GNDMETALOUT

PREOUT

MIXOUT

RECOUT

RECIN

IREFVREF2

VREF1

24 23 22 21 20 19 18 17 16 15 14 13

1 2 3 4 5 6 7 8 9 10 11 12

57

IC101 (MAIN BOARD) TDA7442D (M100 only)

I2C

BUS

DECO

DER

LATC

HES

-+- +

79dB

CON

TROL

79dB

CON

TROL

SPKR

ATT

SPKR

ATT

VAR

VAR

FIX

FIX

MUT

E

MUT

E

BASS

TREB

LE

SURR

OFF

MIX

ING

AM

P

MUS

IC/

PSEU

DO

OFF

- +

- + LR

LR

MUS

IC

PSEU

DO

PS1

90Hz

RPS1

31.

5dB

CONT

ROL

RB

BASS

TREB

LE

SURR

OFF

MIX

ING

AM

P

31.

5dB

CONT

ROL

RB

EFF

ECT

CONT

ROL

LPF

9kHz

171819

202122

232425

2627

28

1615

LOUT

R-IN4

ROUT

AGND

VSCREF

SDASCL

DIGGND

TREBLE-RTREBLE-L

PS1

LPBOUT(L) 14

13

91011

12

1234

8

765

BIN(L)

BIN(R)

BOUT(R)

MIX IN(R)MIX OUT(R)

MIX OUT(L)MIX IN(L)

L-IN4L-IN3L-IN2L-IN1R-IN1

R-IN2R-IN3

SUPP

LYVR

EF

58

18 17 1619202122232425262728 15

14139 10 11 121 2 3 4 8765

G

G

INPUT MULTIPLEXER GAIN

0/30dB2dB STEP

VOLUME

VOLUME

I2CBUS DECODER LATCHES

BASS

RB

RB

SPKR ATT LEFT

SPKR ATT RIGHT

TREBLE

TREBLE

BASS

R-IN

3R-

IN2

R-IN

1

L-IN

1

L-IN

2L-

IN3

L-IN

4M

IXOU

TL

MIX

OUTRIN

L

INR

BIN(

R)

BOUT

(R)

BIN(

L)

BOUT

(L)

TREB

LE(L

)

NC NCTREB

LE(R

)DI

G_GN

DSC

LSD

A

CREF

VSAGND

ROUT

LOUT

R-IN

4SUPPLY VREF

17 18 19 20 21 22 23 24

31323334

1615

7980

7778

7675

69

70

71

727374

6768

6665

596061626364 5758 56 55 495051525354 4748 46 45

3940

41424344

3738

3635

14121110 131 2 3 4 8765 9

2930

27

28

2625

BPF BPF

LL RR

FULL WAVERECTIFIER

LOGDIFFERENCEAMPLIFIERS

DUAL TIME CONSTANTAND

THRESHOLD SWITCHES

MODIFIEDB-TYPE

NR DECODER

VOL

DELA

YLP

FLP

FD/

AA/

D

CLK

LOGI

C

SRAM

10kb

it

VOL

F.B.

CONT

ROL

CENT

ER M

ODE

NETW

ORKS

COM

BINN

ING

VCA

SELE

CTER

SEQU

ENCE

RNO

ISE

SERVO

AUTOBALANCE

VCA

VREF

IREF

12

34

5 12

34

5

12

3 12

3

1 2

1 2

12

34

LR2

LR

12

3

MCU INTERFACEDATA SCK REQ

1 2

VOL VOL VOL

VOL

TRIMTRIM TRIM

TRIM

PSEUDOSURROUND

AVCC

L-INR-INLT-INRT-INC-INSL-IN

SR-INSW-INVRSW-IN

L R VOL

OUT

VOL

OUT

VOL

OUT

VOL

OUT

C

SL

SL SR

SR SWSW

SW-S

W

AGND

DVDD

DVDD

MIC

-IN

DO-S

W

ECHO

-OUT

LOUT

ROUT

CVOL

OUT

CVOL

INCO

UT

SOUT

PSLI

N

PSRI

NSL

VOLO

UTSL

VOLI

N

SLOU

T

SROU

T

SRVO

LIN

SRVO

LOUT

SWOU

T

SWVO

LOUT

SWVO

LIN

SWOU

TAG

ND

MIC

IN

DVDD

DATA

SCK

REQ

DVOLOUTLPF2OUTLPF2IN2LPF2IN1

DAINTOUTDAINTIN

DACONTADCONTADINTOUTADINTIN

LPF1OUT

LPF1IN1LPF1IN2

DINDSELOUTDVSS

ABL

RBPF

1RB

PF2

LPF1

LPF2

RLC8

RLC8

RLC3

RLC7

RLC4

RLC1

RLC2

RLC6

PSC4

PSC1

PSC5

PSC2

PSC8

PSC3

DBC3

DBC2

DBC1

BNRI

N

ECHO

OUT

ABRNGC3NGC2NGC1

VREF1

IREF

LINRIN

LTIN

RTINCIN

SLINSRINSWIN

VRSWIN

L

LR

R

C

C

S BNR-

SW

R-SW

C-SW SL-S

W

SR-S

W

L-SW

AVCC

IC101 (MAIN BOARD) TDA7440D (M300AV only)

IC201 (MAIN BOARD) M62464FP

59

1718192021222324

121110

16 15 14 13

3 4 8 9765

ALC

BUFF

AMOSC

AMMIX

AMRF.AM

AGC

AMIF

AMDET

COMPAM/FMIF

S-CURVE

LEVELDET

FMI

hcd-m100/m300av m300av.pdf · 2013. 5. 13. · hcd-m100/m300av service manual hcd-m100/m300av is...

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