JVC KDG-120 Schematic

SCHEMATIC DIAGRAMS

CD RECEIVER

KD-G120,KD-G120R,KD-G123

KD-G124,KD-G125,KD-G126

KD-G161,KD-G162

CD-ROM No.SML200512

KD-G120RKD-G120

KD-G123 KD-G124

KD-G125 KD-G126

KD-G126

KD-G161 KD-G162

KD-G161

KD-G125

KD-G162

KD-G120,KD-G120R

Area suffix

J ------------- Northern America

KD-G123,KG-G124

Area suffix

UI ---------------------------- India

KD-G125,KD-G126

Area suffix

UT ------------------------- Taiwan UH ---------------------- Thailand UN --------------------- Indonesia U -------------------- Other Areas

KD-G161,KD-G162

Area suffix

E ------------- Southern Europe EX ------------ Northern Europe EY ------------- Eastern Europe EU ------------------------- Turkey

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

Contents

Block diagram (For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126) Standard schematic diagrams (For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126) Block diagram (For KD-G161 and KD-G162) Standard schematic diagrams (For KD-G161 and KD-G162) Printed circuit boards

2-1 2-2 2-5 2-6 2-9 to 11

No.MA233SCH

2005/12

Safety precaution

!

Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.

!

Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

Difference point

Remote controller

Telephone Muting

KD-G120R

YES

NO

KD-G120,KD-G123,KD-G124,KD-G125,KD-G126

NO

KD-G161,KD-G162

NO

YES

POSITION SET

SWITCH

LOAD&FEED

MOTOR

SPINDLE

MOTOR

SW1, SW2

PICK UP

PSW

SW1, SW2

CN501

IC541

BTL

DRIVER

IC501

RF AMP

IC151

CD L.P.F.

VF1 VF2 VT1 VT2 MD LD

CN801

TU701

FM/AM

TUNER

IC301

E.VOLUME

Q332, Q432

LINE OUT

Q861

MUTING

IC321

POWER

AMP.

IC901

REGULATOR

EACH BLOCK

OUTLF, OUTLR OUTRF, OUTRR

RR/SUB.W RL/SUB.W

CD.LCH CD.RCH

FRONT LEFT (+) FRONT LEFT (-) FRONT RIGHT (+) FRONT RIGHT (-) REAR LEFT (+) REAR LEFT (-) REAR RIGHT (+) REAR RIGHT (-)

MUTE

MICOM .MUTE

MUTE

ANT

SW1, SW2, PSW

LM,MSM

FEED+ FEED-

SPINDLE+ SPINDLE-

VF1, VF2, VT1 VT2, LD, MD

SPINDLE+ SPINDLEFEED+ FEEDTRACKING+ TRACKINGFOCUS+ FOCUS-

SPK

BATTERY

CN901CJ321

KEY0 KEY1 KEY2 LCD.SCK LCD.SO LCD.CE REMOCON ENC1 ENC2

LINE OUT

CJ701

CN001

FOCUS &

TRACKING

COIL

TRACKING+ TRACKINGFOCUS+ FOCUS-

Main amplifier & CD servo control section

TRV,TVD TRD,FOD ECM,ECS KICK

LDON,ARF BDO,OFTR RFDET VDET FBAL,TBAL TE,FE RFENV

IC561

DSP&DAC

OUTL OUTR

CD.RESET,STATUS SUBQ,SQCK,TLOCK FLOCK,CD.SENSE MLD,MDATA,MCLK

IC801

MICOM

SD/ST MONO SSM,IFC FM/AM EO FMOSC S.METER SEEK/STOP IMIF.COUNT

SDA SCL

TU.L-CH TU.R-CH

CJ601

S601 to S616 KEY MATRIX

D630 to D649

D652,D653

LIGHTING

DISPLAY

KEY0 KEY1 KEY2

IC661

LCD DRIVER

LCD1

LCD DISPLAY

COM1 COM2 COM3 S1 to S52

LCD.SCK LCD.SO LCD.CE

LCD & Key control section

IC681

REMOCON

Only for KD-G120R

JS686

ENCODER

ENC1 ENC2

Block diagram

(For KD-G120,KD-G120R,KD-G123,KD-G124,KD-G125 and KD-G126)

2-1

Parts are safety assurance parts. When replacing those parts make sure to use the specified one.

R828

C824

R815

C434

Q731

X801

C803

C804

CJ701

R832

R834

R831

D801

C802

D332

D851

C807

CN901

IC901

TU701

R907

R911

R827

R811

C901

CJ321

R823

Q902

R826

R825

C916

C329

C331

C330

C435

R323

R807

D901

C915

C335

C340

R850

R853

C304

C328

C316

C321

C403

R301

R320

Q321

R814

R307

R308

R408

R407

Q793

C337

C427

Q332

R333

IC801

R812

R840

R841

C334

Q792

C801

Q432

R321

D333

R322

D803

C902

R336

R433

L701

C731

CN801

R820

Q732

Q903

D903

R201

R101

D810

Q891

R436

R434

IC321

D805

D804

D802

C332

C333

C433

C432

R892

R808

R902

Q791

R767

D793

C318

C317

R703

C327

R791

C732

R736

R733

CN702

R735

R701

R334

R829

B310

IC301

C314

Q862

Q861

C312

C302

C303

C408

C308

C402

C404 R401

R302

C313

R403

R809

R862

D867

R861

D824

R822

D904

C201

R833

R835

D868

C712

D852

D792

C909

C718

R906

R910

R798

R909

R803

R904

R905

R901

R903

C715

C319

R817

L801

R801

C906

C910

C713

R830

R818

C716

R851

C904

C908

C914

C903

C852

C863

R837

R838

C864

C704

C700

D405

R793

R725C725

C101

R794

C717

C320

R795

R843

R797

R844

D905

C851

C714

C701

L901

C703

C720

C702

C905

C709

C710

R804

C733

R737

R202

R102

D701

D702

R908

C420C419

D791

D823

D825

D822

D826

D827

D828

D731

C821

C822

D821

R705

D321

R891

D891

D892C891

C907

C823

R766

D708

C708

D794

C410

C102

C911

C202

R805

Q701

R792

R708

C711

R836

R813

D861

D869

D866

C862

C861

R304

R404

R405

47k

220p

47k

0.47

2SC3928A/R/-X

QAX0406-001Z

22p

33p

QNB0190-001

22k

4.7k

1SS355W-X

0.01

KDS4148U-X

CRS03-W

10/16

R2S25400DS-E

QAU0312-002

39k

47k

3.3k

QNN0519-001

47k

2SC3928A/R/-X

47k

20K

2.2/50

4.7/25

0.022

0.47

4.7K

47k

1N5401-F64

2.2

0.47

47K

0.22

47/16

0.1

100/16

QTE1A57-107Z

2.2K

33K

RT1N441C-X

47k

27k

RT1N141C-X

1000p

22/16

KTD1304-X

1k

JES01-9D13

3.3k

47k

0.47

2SA1530A/R/-X

QNZ0611-001

220/6.3

KTD1304-X

47k

KDS4148U-X

2.7K

1SS355W-X

0.01

2.2k

1k

4.7u

QTE1H57-255Z

QGZ1601J1-15

47k

2SC3928A/R/-X

2SA1530A/R/-X

1SS133-T2

KDS4148U-X

RT1N141C-X

2.2k

100

1SS355W-X

1SS133-T2

0.1

QMFZ047-150-T

0.1

1k

2SA1365/F/-X

22K

KDS4148U-X

1/50

1k

1/50

10k

0.001

1.8k

10k

QGA2006F1-02

1.5k

1k

100

47k

0

BD3809FS-X

0.01

RT1P141C-X

QTE1C57-106Z

0.22

0.0082

4.7/25

0.22

2.2k

33k

0.1

100

10k

470

KDS4148U-X 470

UDZW6.2B-X

2.2k

CRS30-W

QTE1H57-105Z

4.7k

KDS4148U-X

0.1

CRS03-W

KDS4148U-X

100/10

0.022

4.7k

47k

22k

27k

3.3k

100K

4.7k

9.1k

4.7k

22/16

100P

4.7k

4.7u

10K

0.1

0.01

0.047

22k

47k

15p

10K

22/16

100/10

0.1

22/16

0.01

0.082

10K

0.082

0.0012

CRS03-W

10k

100

0.01

QTE1H57-105Z

2.2k

220p

100P

12

0

10

0

CRS30-W

10/16

120p

47/16

QQR1695-001

0.1/50

220/10

0.1/50

22/16

3.3k

220/10

1SS355W-X

68k

100P100P

KDS4148U-X

UDZW6.2B-X

MTZJ10B-T2

0.1

UDZW6.2B-X

10k

1SS133-T2

47k

KDS4148U-X

0.1

0.01

0.1

2.2K

UDZW6.2B-X

100P

KDS4148U-X

0.01

220/10

3.3k

RT1N141C-X

1k

8.2k

330p

47k

RT1P141C-X

MTZJ4.7B-T2

KDS4148U-X

0.082

220/6.3

47k

10

RF+

IFC

SDA

TU.RCH

SCL

10V

MSW

MICON.MUTE

RR+

TU.LCH

VDD

SUB.W.MUTE

CD.RESET

LINEOUT.MUTE

LR+

ENC1

PSW

ENC2

ACC5V

LCD.CE

RL/SUB.W

RR/SUB.W

GND

DETACH

LF+

DETACH

CD.RCH

RF-

RR-

LR-

LF-

LM

EO

FM.OSC

CD.LCH

CD8V

STATUS

MCLK

MDATA

MCLK

MLD

CD.SENSE

LM

SQCK

SUBQ

SW1

CD.RESET

SW2

TLOCK

FLOCK

MDATA

MLD

REMOCON

DIMOUT

LCD.SCK

LCD.SO

KEY0

KEY1

KEY2

CD.RCH

CD.LCH

SEEK/STOP

MSW

RRSUB.W

SW2

TLOCK

FLOCK

MONO

PSW

TELEMUTE

SQCK

SUB.W.MUTE

LCD.CE

LCD.SCK

CD.SENSE

STATUS

SD/ST

LINEOUT.MUTE

EO

FM/AM

S.METER

MICON.MUTE

SUBQ

SW1

RF-

RLSUB.W

LCD.SO

LR+

MUTE

LF+

FM.OSC

MUTE

ENC2

ENC1

SDA

SCL

9V

RR-

RR+

LF-

LR-

FM.IF.COUNT

KEY2

SD/ST

REMOCON

KEY1

S.METER

TELEMUTE

MONO

SSM

PS2

SSM

DIMMER

FM/AM

SEEK/STOP

KEY0

RF+

TO SHEET 2

TO CJ601

(SHEET 3)

Standard schematic diagrams

(For KD-G120, KD-G120R, KD-G123, KD-G124, KD-G125 and KD-G126)

Main amplifier section

2-2

SHEET 1

Parts are safety assurance parts. When replacing those parts make sure to use the specified one.

IC541

C252

R152

R560

C253

L501

R151

C255

R526

RF

X561

R251

R153

ARF

C552

C540

IC151

L562

IC561

C527

C526

R525

R550

C516

C506

R524

R512

Q541

R513

Q501

C520

C519

R557

R596

C523

C522

C541

C521

IC501

FE

TE

R509

C563

C515

C551

R573

C573

D551

C570

C155

C574

R253

R252

R154

R156

R256

R254

C153

R518

C528

R507

C545

C546

R558

C547

C553

CN501

C152

C543

R503

R569

R580

R581

R516

C513

R577

R552

C504

L561

R553

R570

R554

R551

C251

R576

R504

R502

R501

C151

C579

C576

C555

C505

C507

C511

C509

C510

C514

C518

R511

R510

R508

R505

R506

C529

C501

C564

C565

C568

C566

C556

C571

C557

R575

C558

R571

R574

C256

C572

C567

C577

R559

C561

C524

C525

C559

R540

C560

C502

R568

R567

R564

R563

R562

R561

C562

R541

R542

R544

R546

R545

R547

R543

R548

C542

LA6242H-X

2.2/50

5.6k

100

150p

4.7U

15k

QTE0J57-476Z

12

TP

QAX0714-001Z

15k

22k

TP

0.01

68p

NJM4565E-X

4.7U

MN6627482WA

0.022

TP

3p

1.5k

12k

100/10

68p

3.3k

47k

2SA2093/QR/-T

47k

2SA2093/QR/-T

39p

0.047

150

8.2k

0.022

47/6.3

270p

AN22002A-W

TP

36K

470p

0.1

220/10

120k

220/10

1A3G-T1

0.01

QTE0J57-476Z

0.01

22k

5.6k

22k

150p

1M

0.1

1k

0.01

47/10

10k

0.022

QGB2027M4-22S

2.2/50

0.033

39K

1k

220k

0

62K

150p

100k

18k

100/10

4.7U

0

1k

51k

2k

0.001

0

3.9k

22

0.001

100p

0.047

0.1

0.33

0.0027

0.039

0.0027

0.056

0.047

220k

82k

270k

220k

56k

0.0012

0.1

0.022

0.1

0.047

0.1

0.047

220

0.047

100k

470

QTE1A57-107Z

100/10

0.1

3.3k

0.1

0.033

68p

330

4.7/25

10/16

1k

0.33

6.8k

560

1.5k

15k

2k

270k

47k

5.6k

0.0033

CD8V

FEED-

ARF

MD

CD.RCH

FEED+

VF1

9V

SW1

FEED-

PSW

GND

VR

LD

SW2

VF1

SPINDLE+

GND

VF2

SPINDLE-

TRACKING+

FOCUS+

FEED+

GND

FOCUS-

PSW

VT2

VF2

GND

VCC

SW1

VT2

SW2

VT1

PSW

VF1

SPINDLE-

VT1

VR

TLOCK

VF2

SPINDLE+

SW1

LD

VREF

FOCUS-

OFTR

MD

FOCUS+

TRACKING-

TRACKING+

FEEDFEED+

SPINDLE+

SW1

SPINDLE-

SW2

FOD

PSW

LD

TRD

KICK

ECS

ECM

TVD

TRV

FBAL TBAL

MD

VCC

FE

TE

RFENV

VDET

TRACKING-

TRACKING+ FOCUS+

CD.LCH

TRACKING-

FOCUS-

LD

RFDET

BDO

LDON

VT2

VT1

GND

SQCK

SW2

MSW

LM

MCLK

VREF

CD.RESET STATUS

SUBQ

Vcc

MDATA

FLOCK

CD.SENSE

MLD

MD

VR VF1

VREF

VT1 GND

VT2

VF2

CD.SENSE

LM

MCLK

TVD

CD.RESET

TRV

TRD

TBAL

KICK

ECS

FOD

ECM

STATUS

SUBQ

SQCK

MLD

MDATA

TLOCK

MSW

FBAL

TRACKING+

FE

LDON

TRACKING-

FOCUS-

FOCUS+

RFENV

SPINDLE-

SPINDLE+

FEED-

FEED+

TE

FLOCK

VDET

RFDET

BDO

OFTR

ARF

TO SHEET 1

CD servo control section

SHEET 2

2-3