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SERVICE MANUAL. 11-Band Graphic Equalizer

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Contents

Specifications .....

Connections ...

Basic System .

Operation ....

Block Diagram 6

Parts Layout on P.C. Boards and Wiring Diagram (1/2) .7to9

Parts Layout on P.C. Boards and Wiring Diagram (2/2) . 10 to 12

Schematic Diagram (1/2)... . 13 to 15

Schematic Diagram (2/2) . 16 to 18

Electrical Parts List .19 to 23

Packing Assembly Parts List .... we 24

Packing Method View. ws 24

Exploded View (Cabinet) . 25 to 26

Cabinet Assembly Parts List ..... 227

Spare Schematic Diagram Inserted.

Specifications

Power Supply DC14.4V (11~16V)

Total Harmonic Distortion (2Vrms/Channel) wee 0.1%

Input Sensitivity (Ref. 2V Output)/Impedance 043dB/10k ohm

Output Impedance we 1K ohm

‘S/N Ratio (IHF-A) BBE OFF : 90dB

BBE ON : 85dB

Frequency Response (Ref. 1kHz, 30Hz~30kHz) 0+1dB

Channel Crosstalk Attenuation 60dB

Current Drain (2V/Channel) 550mA

Fader Control Effect 50¢B

Equalizer Band

Frequency Shaping Equalizer Controls

, 63, 125, 190, 250, 500, 1k, 2.2k, 4.5k, 9k, 18kHz

Boost : 11+3, -6dB

Cut : -11+3, -6dB

Channel Unbalance 0+3dB

Subwoofer Cut-off Frequency Response (20Hz, 2V Output, Ref. -3dB) 42+10Hz, 150+25Hz

Subwoofer Control Effect (at 20Hz, Input 200mV) 15+30dB

21 IC's, 36 Transistors, 17 Diodes, 5 Zener Diodes, 1 FET

Chassis : 178X25X 115mm.

Nose : 178X25X 17mm

0.64kg

Semi-Conductors

Dimensions (WX H XD)

Weight

NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.

'18C

ERE-G180

Connections/Connexions/Conexiones

© Remote On Lead (BLUEMWHITE) Connect this lead to the remote turn-on lead of your head unit. Applying (+)12V to this lead turns on the ERE-G180. If your head unit has a power antenna output that provides (+)12V when the unit power is turned on, you may use that lead to turn the ERE-G180 on.

Ground Lead (BLACK) ‘Connect this lead to a good chassis ground. ‘Verity this point o be a true ground by checking continulty between this point and the negative terminal of the vehicle's battery, For best results and immunity to vehicle induced noise, ground ail audio components, at the same ground point

NOTE: ‘Secure the ground lead of the unit to bare metal on the car chassis using a sheet metal screw.

© Battery Lead (YELLOW) ‘Connect this lead to the positive (+) post of the vehicle's battery

= ic)

Batterie

NOTE: +12V is required on this line to turn on the ERE-G180. If your head unit does not have a remote-on or power-antenna tum-on wire, a SPST switch must be connected between an ignition source and this terminal. Then, the ERE-G180 can be turned on.

Basic System/Systéme base/Sistema badsico

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Front Rear Suowooters avant Aree Sub-wocters Delanero ——Trasero ‘Atvooes de tecvercas aba

‘Speakers/Haut-parleurs/Altavoces,

® Front Output Connector (to front speaker amplifier or signal processor)

9 Rear Output Connector (to rear speaker ampilier or signal processor)

© Subwoofer Output Connector (to subwoofer amplifier or signal processor)

‘© Input Connector

® PHASE Switch ‘The acoustical characteristics of different cars varies. When using subwoolers, standing waves may be produced at low frequencies. These standing waves can cause cancellation and loss of performance at the low end, To set the PHASE switch, listen to the system while switching the phase to 0 of 180°. Leave itn the position which provides the best bass response,

O "buns!

180" ot STEREO/MONO Switch It you have one subwoofer for your system, set the STEREO/MONO switch to the MONO position. When Using two or more subwooters, the switch may be set to either MONO or STEREO. In the STEREO mode, you may gain some sound separation (depending upon the music material). On the other hand, in the MONO position, the subwoofers will share the load more equally and can play louder. Experiment to see which sounds better for your application.

NOTE: ‘The PHASE and STEREO/MONO switches should be set before the installation is completed,

24s

ERE-G180

Operation Operation English English

Turning Power On and Off Adjusting the Volume/Tone/ Fader Controls

“The ERE-G180 is tumed on and off automat ‘cally when your head units switched on and ot

Adjust the volume and tone controls of your ae head unt and the FADER control on the ERE-

Adjusting the Subwoofer ‘G180 to suit your listening preference. Level fol Regardless of he EQUALIZER DEFEAT Te ERE pts tse comet be f arnt, pe OUT LEVEL bees dip epet ear tate levels. The input signal level is controlled by Pedeelasbensiaihed duce petig eniat the volume contro of your head unit the crossover point is continuously adustable, input can be summed using the STEREO! ere ie ‘MONO switch and a PHASE switch provides 0 rege I tne reg ED lights Up: poninupusi spec the output ofthe ERE-G180 could be lial ans distorted. Reduce the input level using

the head units volume control. The red LED snoule only bght intermittent for

aoe The LED on te SUBWOOFER LEVEL conto! ne ‘optimum sound quay ot, will be off when the SUBWOOFER ON/OFF

Switch sin the “OF poston. n this mode, a the FRONT and REAR outputs will be full Ao:

Nee range signals wth no sigal othe SUB- t WOOFER output The LED onthe SUBWOOFER LEVEL contol

» wil luminate in arbor when the SUB- . WOOFER ONOFF switch is nthe “ON ton nhs mode, the FRONT and REAR

Chips wi be gh pase and ne SUS- Selecting the BBE Mode WOOFER output wil rectve tho low-pass signals. Note: Push he SUBWOOFER ON/OFF ewten

to sel the subwooler mode to ON. Push the swtch again ose he mode torr. Press the BBE swich to sat the ERE-G180 to

~ the BBE mode Saas With each press, the BBE is toggled On or Ot ae 120 Hz using the CROSSOVER Notes:

FREQUENCY. control ‘+ When the BBE switch is illuminated in lmber, the BBE isn fect. «CY + The BRE such wil be urinated amber

; vnhon tis inthe "ON" poston,

English ‘Adjusting the Equalizer and Defeat Controls

4 SEEREREEEEE

vse ‘The EQUALIZER DEFEAT switch wil bo fo uminated green when its in the “OFF*

position. In this mode, all the equalizer B ‘settings are in effect. The LED indicators on

the EQUALIZER controls will be on

‘Note: The EQUALIZER DEFEAT switch wit + be illuminated amber when itis inthe

ON" position. n ths mode, the equalizer sotings wit not effect the

as output (except for BBE if tuned on), uF ‘The LED incicators onthe EQUALIZER

conto wil be of.

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Block Diagram

Parts Layout on P.C. Boards and Wiring Diagram (1/2) All P.C. Boards viewed from soldered side.

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ERE-G180 ERE-G180 ERE-G180

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! 1 ' REMOTE-ON

1 I BATTERY * ! £1303 NOTE: | Assy. ,Power Supply Connector 1. All resistance values are in ohms. K = 1,000 1 dette ee eee lee ee ee ee ee eee == 2. All capacitance values are in microfarads. P = 7,000,000

G I H I be dre I . |

Electrical Parts List Resistor: Carbon resistors under 1/4 watts are not mentioned in the parts list, please confirm them by schematic diagram.

Capacitor : pF=microfarads, pF=picofarads

Ne!

Abbreviations Resistor CAP.= Capacitor Carbon Film EL Electrolytic Metal Film CER.= Ceramic 48T68829F01 | 15S133 Metal Oxide Film MyYI Mylar 48T68829F01 | 185133 Metal Plate TA! Tantalum 48T25664W01 | RB100A. Transistor POLY.= Polystyrol 48125664W01 | RB100A Transformer PI Polypropylene 48T25664W01 | RB100A, Chip PLI Polyethylene

PF.= Polyester Film 48T25664W01 | RB100A.

48E20758S01 | 11ES2

48E20758501 | 11ES2 48T25766W26 | Zener, HZS9C3L

51T74296F01

51T84232F01 51T74296F01 51T84232F01 51E22491S01

Mi5229P Moae Coils / Transformer M5227P 2522496501 | Choke, Trans. NJM2082L 25£22497501 | Choke

24622531501 | Inducctor, 100¥H GD40538 24£22531S01 | Inducctor, 100uH HPCAS70HA, 25€22495501 | Transformer, Power (EI-1309) uPCas70HA yPCa570HA 181403N

51E22492S01

51T83403F03 51T83403F03 51T83403F03 51E22493S01

Switches

40E22502S01 40E22502S01

Slide, HS-2211 (STEREO / MONO) Slide, HS-2211 (PHASE - 0°/ 180°)

Transistors

48T63788F01 48763788F01 48T63788F01 48T63788F01

48T63788F01

., 25D 1328 CP., 2SD1328

CP., 2801328 CP., 25D1328

., 28D1328

Capacitors

23E09402S02 08E22510S01 2309402502 08E20991S01 23£09402S02

ELY,, 10nF / 16V oP, 180pF ELY,, 10pF / 16V Pr., 0.12uF ELY., 10uF / 16V

48T63788F01 48E22513S01 48E22514S01 48E22515S01

48E22092S01

CP., 25D1328

CP., DTA123YK. ., DTC123YK

FET, CP. KTK211 CP., DTA124EK

08E22526S01

23E09402S02 08E22524S01

23E09402S14 08E22084S01

Pr, 0.082yF ELY., 10pF / 16V Pr, 0.056yF ELY., 0.47 uF /50V oP, 0.015pF

48E22494S01

48T55057W01 48T55057W01

48E22789501 48E09399801

KTD2058A 2801857

2SD1857

28D1857

2SB1243 23E09402513 08E22086S01

23E22519801 08E20991S01 23E09402501

ELY., 2.2uF / SOV cP, 0.033,F ELY., 0.22yF / 50V

PF., 0.12uF ELY., AF /50V

08E22525801 23E09402S14

08E22089501 23E09402S16 08E08577S04

0.068uF ELY., 0.47) / 50V cP. 6800pF ELY., 0.33pF / 50V c., 0.027yF

Diodes

D301 48E22529501 0302 48E22529801

~19-

180

ERE-G180

me"

23E22521S01 08E22084S01 23609402802 08E20767S01 23£09402S02

08E21165S01

08E08577S02 08E22512S01 23£09402$11

08E22511S01

23E09402S02 08E22079S01 23E09402511 23E09402S02

23E09402511

23£09402S02 08E20550S01 08E20550S01 08E08577S02 23E09402S02

23E09402S02 23€09402S09 23E22520S01

23£09402S02 23£09402S02

08E22510S01 23£09402S02 08E20991S01 23E09402S02

08E22526801

23E09402S02 08E22524501 23E09402814 08E22084S01

23E09402S13

08E22086S01 23E22519S01

08E20991S01 23E09402S01 08E22525S01

23E09402514 08E22089S01 23E09402516 08E08577S04

23E22521S01

08E22084S01 23£09402S02 08E20767S01 23E09402S02 08E21165S01

0808577802

08£22512S01

Description

0.27uF /50V 0.015pF

10uF / 16V 3300pF

10uF/ 16V

8200pF 1500pF 3900pF

22yF/ 16V 820pF

10pF / 16V 330pF

22pF / 16V 10pF / 16V 22uF / 16V

10pF / 16V 22pF 22pF

1500pF 10pF / 16V

1OpF /16V 100uF / 10V 10pF / 16V 10pF / 16V 10pF / 16V

180pF 10pF / 16V

0.12pF 10pF / 16V

0.082pF

10pF / 16V 0.056pF

0.47 uF / 50V 0.015pF

2.2uF / 50V

0.033yF 0.22yF / SOV

0.12pF 1F /50V 0.068yF

0.47pF / 50V.

6800pF 0.33yF / 50V

0.027,F 0.27pF / 50V

0.015yF 10pF / 16V

3300pF 10pF / 16V

8200pF

1500pF 3900pF

23E09402S11 08E22511S01 23E09402S02 08E22079S01 2309402511

2309402502 23E09402511 23E09402S02 08E20550S01 08E20550S01

08E08577S02

23E09402S09 23E09402S02 23E09402S02 08E20755S01

23E09402S02 08E22087S01 23609551807 08E22087S01

23E09402S02

23E22522S01 23E22523S01 23E22523S01 23E22522S01 23E22522S01

23E09402S02 23E09402S02 23E09402S07 23E09402S02

Resistors (All ri

~20-

Per unless otherwise note:

06E22055S01 06E22055S01 06E22055S01 06E22055S01 06E22055S01

06E22055S01

06E22062S01 06E22048S01 06E22062S01 06E22054S01

06E22054S01 06E20903S01

06E22507S01 06E20903S01 06E22505S01

06E22062S01 06E22508S01

are ch

820pF 10uF / 16V

330pF 22pF / 16V

10uF / 16V 22pF / 16V 10uF / 16V

22pF 22pF

1500pF 100pF / 10V 1OUF / 16V 10uF / 16V 0.033 F

10uF/ 16V 0.047yF

1000uF / 16V 0.047 pF

10UF / 16V

330pF / 16V 220pF / 16V 220pF / 16V 330pF / 16V 330pF / 16V

10pF / 16V 10pF/ 16V 22uF / 10V 10pF / 16V

1/jowt5%

06E20903S01 06E22065S01 06E22505S01 06E22054S01 06E22505S01

06E22062S01 06E22508S01 06E20903S01

06E22065S01 06E22505S01

06E22054S01

06E22505S01 06E22062S01 06E22509501 06E22504S01

06E22065S01 06E22062S01 06E22048S01 06E22062S01 06E22054s01

06E22054S01 06E20903S01 06E22507S01 06E20903S01 06E22505S01

06E22062S01 06E22508S01 06E20903S01 06E22065S01 06E22505S01

06E22054S01

06E22505S01 06E22062S01 06E22508S01 06E20903S01

06E22065S01 06E22505S01 06E22054S01 06E22505S01 06E22062S01

06E22509S01 06E22051S01 06E22065S01 06E22060S01 06E20903S01

06E22518S01 06E22048S01 06E22048S01 06E22048S01 06E22048S01

06E22048S01 06E20903S01

Description

06E22506S01 06E22508S01 06E22062S01 06E22062S01 06£22062S01

06E22062S01 06E22041S01 06E21164S01

06E21164S01

Description

ERE-G18C

Control P. C. Board

-21-

51T55203W01 51T83403F03 51T83403F03 51T83403F03 51T40391U01

51T40391U01 51T83403F03 51E22492S01 51£22492S01 51T93352F03

51783403F03

48E22555801 48T63420F01 48E22555S01 48T63085F02 48E22554S01

48E22555801

48E22555S01 48E22554S01 48E22532S01 48E22553S01

48E22552S01 48E22553S01 48E22552S01

48E22553S01 48E22552S01 48£22553S01 48E22552S01 48E22552S01

XRi071 HPC4570HA PC4S70HA BPC4570HA T¢4013P

7¢4013P PC4S70HA GD4053B GD4053B M51958AL

HPC4570HA

CP., DTC144EK

CP., DTC144EK CP., DTC144EK

., DTA143XK

., DTC144WK

., 2SA1037K ., DTCI44WK

, DTA143XK ., DTCI44WK

., DTA143XK

., DTC144WK , DTAI43XK ., DTC144WK

., DTCI44WK

ERE-G180

48E22552S01 48E22552S01

48E22529801 48E22529S01 48E22529S01

48170933F01 48T70933F01 48783128F 13 48783128F26 48783128F26

48783128F29

08E22077S01 08E22077S01 23E22562S01 23E22562S01 08E08578S04

08E20767S01 08E20767S01 08E22510S01 23E09402S02

08E22549801

23E22519S01 08E20756S01

23E09402S02 08E20756S01 23£09402S14

23E09402S02 23E22562S01

23£09402S14 23609402802

23£09402S02

08E20550S01

23E09402S02 23E09402S02 23€09402S02 23E09402S02

23E09402S07 23£09402S02 23E09402S02 23£09402S02

Description

CP., DICI44WK cp, DTCI44WK

VEZ

11E2 11E2 18$133 1$8133

185136 188136 Zener, HZS7B1L

Zener, HZS9C2L Zener, HZS9C2L

Zener, HZS11A2L

47pF ATpF

4.7uF / 50V 47UF /50V

1000pF

3300pF

3300pF 180pF

10pF/ 16V 68pF

0.22uF / 50V 0.15pF

10pF / 16V 0.15pF

0.47 pF / SOV

10UF / 16V 4.7\F / SOV 0.47)F / SOV 10pF/ 16V 10pE/ 16V

220pF 10pF / 16V 10pF / 16V 10pF / 16V 10pF / 16V

22uF/10V 10pF/ 16V 10pF / 16V 10pF / 16V

—22-

23E22562S01 23E22562S01 08E22081S01

08E20767S01 08E20767S01

08E22510S01 23£09402S02 08E22549S01 23E22519501 08E20756S01

23E09402S02

08E20756S01 23E09402S14

23E22560S01 2322562501

23E09402514 23E09402S02 23E09402S02 23£09402S02 08E20550S01

23E09402S02 23E09402S02 23£09402S02

23E09402S07 23E22561S01

23E22561S01 23E09402S02 23E09402S02 23E09402S01

23E09402S02

23£09402S02 2309402801 23£09402S01 08E22088S01 08E22087S01

08E22087S01

08E22550S01

4.7uF/50V 4.7uF /50V

1000pF 3300pF 3300pF

180pF 10pF / 16V

68pF 0.22yF /50V

0.15pF :

10pF / 16V 0.15pF

0.47pF / 50V y (BP) 3.3pF/50V

4.74 / 50V

0.47pF / 50V 10pF / 16V 10pF / 16V 10pF / 16V

220pF

10pF / 16V 10pF / 16V 10pF / 16V 22pF / 10V 100pF / 16V

100pF / 16V 10pF / 16V 10pF / 16V AF /50V 10pF / 16V

10pF / 16V 1pF/50V 1F/50V

0.1pF 0.047yF

0.047ypF 0.047pF

Resistors (All cesistors are chip 1 OWE a unless otl

06E22065S01 06E22062S01

06E22060S01 06E22060S01

06E22540S01

06E22061S01 06E22055S01 06E22060S01 06E22060S01

erwise note

Symbol at

Part No.

06E22656S01 06E22056S01 06E22055S01 06E22062501 06E22065S01

06E22062S01 06E22060S01 06E22060S01 06E22061S01 06£22540S01

06E22060S01 06£22056S01 06£22056S01 06£22062501 06E22068501

06E22545S01 06E22547S01 06E22058501 06E22065S01 06E22055S01

06E22065S01 06E22545S01 06£22546801 06£22111S01 06E22041S01

06£22067S01 06E22062S01 06E22539S01 06E22062S01 06E22062501

06E22067S01 06E22067S01 06E22540S01 06E22060S01 06E22060S01

06E22548S01 06E22542S01 06E22044S01 06E22543501 06E22544S01

06E22548S01 06E22064S01 06E20851S01 06E22065S01 06£22065S01

06E22541S01 06E22541S01 06E22050S01 06E22062501 06E22062S01

06E22062S01 06E22048S01

6.8K 6.8K 47K 47K 100K

47K 22K 22K 33K 47K

22K 6.8K 6.8K ATK

1M

2K 680K 12K

100K 47K

100K 2K

51K 5.6K 100

470K ATK 22K 47K

47K

470K 470K 47K 22K 22K

470 20

430 39

750

470 68K 43K 100K 100K

100K 100K 1.8K 47K

47K

ark 1K

Description

ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm chm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm ohm ohm ohm

ohm ohm

-23-

Description

06E22067S01 470K ohm 06E22067S01 470K ohm

Miscellaneous

01£22503501 | Assy., Power Supply Connector 09622565501 , RCA (INPUT L/R) 09£22565801 RCA (FRONT - OUTPUT L/R) 0922565801 RCA (REAR - OUTPUT L/R) 09E22565S01 RCA (SUB WOOFER L/R)

48T55661W01 AABG4607K (GRN / ORG)

48T55661W01 AABG4607K (GRN/ ORG) 48751833F02 PR4524K (RED) 48T51833F01 PY4524K (YEL) 48751833F01 PY4524K (YEL)

48T51833F03 BG4524K (GRN) 48T51833F03 BG4524K (GRN) 18T75339W01 | Rotary Volume

(CROSSOVER / SUB W.)

Packing Assembly Parts List

Description

68P61487W40 | Owner's Manual 68P61487W42 | Owner's Manual

03E09554S02 03E09694S01 64£22804S01

07£22805S01 75E22806S01

Screw, Tapping (M520) Screw, MCH (M4x8) Face, Plate

Bracket, Mounting U Sheet, Pad

NOTE : O:For North American Model Only, Others : Common.

Packing Method View

-24-

A: For General Foreign Model Only,

F -2-

ERE-G180 ERE-G180

B -2-

Exploded View (Cabinet)

Cabinet Assembly Parts List

13B70978W01 36A70980W01 36E22581S01 41A63556F02

03E22117S01

03£22575S01

03E22576S01 03E22577S01

03E22579S01 03E22580S01

47E22449S01 18T75337W01

30E22568S01

15B70979W01 30E22567S01

‘Assy., Nosepiece Knob, Slide Knob, Cross Spring, Knob Insert Screw, MCH-TPT (M2.6x8)

Screw, TPT (M2.6Xx5) Screw, TPT (M2.6X5) Screw, TPG-TPT (M3X8) Screw, MCH (M2xS5) Screw, MCH (M2.6x5)

Stud, Main Shaft Slide Variable Resistor

(included VR350~362, LD350~361(GRN), 362(ORG), S350(BBE), 351(EQ/DEFEAT), R351~356) Wire, Flat 13P Cover, LED Wire, Flat 6P

-27-

ERE-G180