JVC MXJD-8 Service manual

SCHEMATIC DIAGRAMS

COMPACT COMPONENT SYSTEM

MX-JD8

CD-ROM No.SML200407

Area suffix

US ------------------------ Singapore
UW ----------- Brazil,Mexico,Peru
UX -------------------- Saudi Arabia
UN ----------------------------- Asean

Contents

Block diagram
Standard schematic diagrams
Printed circuit boards

COPYRIGHT 2004 Victor Company of Japan, Limited.

CA-MXJD8

2-1
2-2
2-9 to 12

No.MB282SCH

2004/7

In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)

Block diagram

DVD pickup
mechanism

DVD traverse
mechanism

NTSC/
PAL
SWITCH

COMPONENT
VIDEO OUT

S-VIDEO
COMPOSITE
VIDEO OUT

OPTICAL
OUTPUT

AUX IN

COMPU
AV LINK

DVD control section

CN101

A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
LD(CD)
LD(DVD)

FM+/­WOUT
VOUT
UOUT

CN201

COM

F+/­T+/-

IC201

DRVER

LPCO1, LPCO2

Q101

to

Q104

X351

27MHz

SPDRV, TRSDRV
FODRV, TRDRV
/DRVMUTE
/SPMUTE
FG, VHALF

CDLDCUR

DVDLDCUR

TRVSW

IC301
DV2.2

Video output section

S1001

Cr

J1020

Cb

Y

Y

J1010

V

C

VIDEO

DRIVER

IC100

NTSC/PAL

VMUTE1
VMUTE2
INT/PROG

Cr_OUT

Cb_OUT

CY

Y-OUT

C-OUT

AM

FM

CY, CbOUT, CrOUT
COUT, YOUT

CN420

CN410

VMUTE1, VMUTE2
INT/PRG, NTSC/PAL

External input / Source selector switch
System control section

J814

SPDIF

J454

AUXL, AUXR

Except for UW

J812

AVC

DVD

MECHANISM

Q806

CN11

LM+
LM-

X801
OSC

AVCI,AVCO

IC410

OPENDET
CLOSEDET

OPEN
CLOSE

DRIVER

Tape mechanism section

MOTOR

Q307, Q309

MOTOR

Cassette
mechanism

CN303

MTR+,SOL A,SOL B

SLCKEY1, SLCKEY2, END SW1, END SW2

DRIVE

Tun er

MA0 to 10
BA0, BA1
MDQ0 to 31
DQM0 to 3
NCSM, NRAS
NCAS, NWE
MCK

CN21

CN1

IC810

SYSTEM

MICOM

Q312, Q313

SOLENOID

DRIVE B

IC505

SDRAM

TUCLK,TUCE
TUDATA,SDATA

TUL, TUR

EEDATA
EECLK

EXADT0 to 15, EXADR16 to 20
NEXWE, /FL_RST

EXADT0 to 15

NEXCE
NEXOE

AOUT 0 to 2, BCK, PCMCLK
LRCLK, DACPDN, DAC0CS
DAC1CS, DAC2CS, DCLK, DDATA

IC704

AINL, AINRAIN

ADC

DAC1OUT
to
DAC5OUT

CN502

CN522

TX

CN503

CN523

SPDIF

DSPDATA
DSPCLK
DSPCE

S.BOOSTER

IC480

SOUND

BOOSTER

S2UDT,U2SDT
SCLK,SCS
UCS,CPURST

AUXL
AUXR

UW only

IC801

EEPROM

SOLASOLB

Q310, Q311

SOLENOID

DRIVE A

A/B, RMUTE

RECH

IC512,IC513

ADDRESS

LATCH

IC701 to IC703

DAC

CN501

CN531

S2UDT
SCS
CPURST
LRMUTE

IC815
BUFF.

IC510

VIRTUAL

SURROUND

AUXL

VOLUME

AUXR

VOLDA
VOLCLK
VOLCE1

PBL

PBR

PBMUTE

MECHA

Q360,Q362 to Q366

HEAD SWITCH

FLASH ROM

LADD0 to LADD15

IC506

FAOUTL, FAOUTR
RAOUTL, RAOUTR
CAOUT, SWAOUT

S2UDT, U2SDT,
SCLK, SCS, CPURST
UCS, LRMUTE

FAOUTL+

U2SDT

FAOUTR+

SCLK
UCS

IC400,IC401

LPF &

PRE-AMP

LRMUTE

IC460

IC300

MICOM

Q410, Q420

LR MUTE

RECL
RECR

Except for UW

PBL,PBR
RECL,RECR

Q421

Q520, Q521

MIC MUTE

L+, R+

L+, L–,
R+, R–

IC509

/CE
/OE

CN504

CN524

FL

FR

IC521

MIC
MIX

MIC_MUTE

CN302

CN301

RECL
RECR

RECL
RECR

PLAY
BACK
HEAD

RP
MECHA
HEAD

DC regulator section

DVD5V

5.6V MICOM

VOLDATA
VOLCLK

SURL
SURR

C

VOLCE2

IC590

VOLUME

VOLUME

IC530
IC531

INPUT

AMP

IC550,IC551

Q550 to Q552

AHB CONTROL

IC575

SWITCH

FLBK, FLDATA, FLCLK,FLLATB,REMIN
KEY4,SBYLED, VOL+, VOL-,FLLED

FL display section

D925

STANDBY LED

S920

POWER SW

JS920

MAIN VOLME

IC930

REMOCON

IC250

DVD5V REG.

MOTOR 9V

5.6V MICOM

9V REG.

VOLDATA
VOLCLK
VOLCE3

IC500

Q585 to Q587

SMUTE

STBYLED

KEY1

VOL+/-

REMIN

IC260

MOTOR

9V REG.

IC270

REG.

SLC12V

IC290

9V REG.

SURROUND

POWER AMP.

FW207

CN217

SLIN
SRIN

CIN

SWIN

SWFB

IC580

HPF

F.SPEED

SRELAY

SYSTEM

MUTE

SBLED, AUXLED,TUNERLED
DVDLED,TAPEALED,TAPEBLED
KEY1 to 3,ECHO1, ECHO2/AUXR

UW only

CN880

CN890

FLLATB

DI,BK
CLKB

IC920

DISPLAY

MICOM

P1 to P37
G1 to G11

IC280

SLC12V

REG.

IC121

PRT

FLDATA
FLCLK
FLBK

BUFFER

FL DISPLAY

F.SPEED

SRELAY

CN454

IC900

FL910

MAINL
MAINR

AUXL
AUXR

FL1
FL2
37V

FLLED

S4H

CN213

S4L

CN211

CN218/CN219

CN216

MIC

CN860

FW241

CN810

Primary section

Q2010

37V REG.

CN101 CN119

S1

FL1
FL2
37V

S4H

CN203

S4L

CN201

D201 to D204

DIODE BRIDGE

IC602,IC701

POWER AMP.

SWIN
SWFB
PRT

FW208

MAINL
MAINR

S1
S2

FW109

CN202

CN212

Amplifier
section

User control keys
Microphone circuit section

CN870

FW444

AUXL
AUXR

CN820

D926

LED

T001

D2010 to D2013
DIODE BRIDGE

S4H

POWER
TRANS.

S4L

Audio output section

SLOUT
SROUT
COUT

S1

VH,-VH

(Surround / Center output)

RY240
RY241

SRELAY

FANSPEED

S4H

S2

D211 to D214

DIODE BRIDGE

VL,-VL

Audio output section
(Main / Sub woofer output)

MAINLOUT
MAINROUT

CN204

CN214

SWLOUT
SWROUT

Q190 to Q194

HPMUTE

CN206

SBLED, AUXLED, TUNERLED
DVDLED, TAPEALED, TAPEBLED

ECHO1
ECHO2/AUXR

MIC/AUXL, ECHO2/AUXR

H/P MUTE

FANCONTROL

KEY1 to 33

IC970

ECHO MIX

VOLTAGE

SELECTOR

IC230

FAN12V REG.

FAN12V

RY160
RY170

Q181

FAN

DRIVER

CN105

FW116

D933 to D938

SOURCE LED

S939 to S955
S960 to S967
SWITCH KEY

IC971

MIC AMP.

S500

SWITCH

FAN+ /-

STATUS

HPL
HPR

CN250

AC IN

SPEAKER
TERMINAL

J120

SURR L/R OUT
CENTER OUT

SPEAKER
TERMINAL

MAIN L/R OUT

J81

SUB WOOFER
L/R OUT

CN106

TO FAN

J995

HEADPHONE
JACK

J970

MIC JACK

Except for UW

J971

MIC JACK /
AUX JACK

2-1

Standard schematic diagrams

Primary board with main transformer section

CN119

QGA3901C1-08

S1

S1

CT

S2

S2

S4H

(SHEET 2)

S4L

CTS4

1N5402M-20

!

D2013

1N5402M-20

D2011

!

T6.3AL

F101

!

F104

T3.15AL

!

D2010

1N5402M-20

D2012

!

!

F103

T2AL

!

1N5402M-20

!

T001

!

F003

!

S500

QSW0812-001

F001

!

!

CN101

QGD2501C1-03

37V
FL1

FL2

(SHEET 4)

R2013

100K

MTZJ6.8B-T2

D2020

2SC2785/FE/-T

10/25

C2015

Q2011

C2019

0.022

R2012

100K

C2013

22/50

C2014

!

Q2010

KTC2026/OY/

0.01

D2019

D2018

MTZJ20B-T2

0.1

C2012

MTZJ18B-T2

R2011

T6.3AL

F102

15K

22/50

!

C2018C2017

0.1

1N4003S-T5

C2011

D2016

47/100

R2014

0.33

!

D2017

D2015

C2010

CN250

QGA7901F2-02

!

R2010

4.7

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

2-2

SHEET 1

DC regulator / Audio output section

IC602

!

STK432-070

1K

1K

47/63

1.2K

MTZJ5.6C-T2

C609

10P

R607

56K

KRC102M-T

C226

220P/50

Q223

C621

10/35V

C605
220P

220P

47K

C603

R603

MTZJ9.1B-T2

47K

220P

C604

R604

C622

10/35V

!

10

L601

0.39

R613

!

R615

10

C613C615

0.0470.047

IC230

KIA317PI

R234

R235

10

270

R230

!

R232

2.4K

2.4K

R233

Q230

D231

MTZJ13B-T2

D222

2A02M

!

!

Q221

KTA1046/Y/

4.7K

R225

R224

680

Q222
KTC3199/GL/-T

1K

1K

1K

R222

R221

R223

4R7

0.022

Q601

KTC3199/GL/-T

47K

R621

100/50

C612

220

R617

C601

D619

2.2K

R619

RY241

QSK0109-001

RY240

QSK0109-001

KTC3199/GL/-T

100K

R217

C214

2200/50

D214

!

C212

0.01/100

(SHEET 3)

SURR

MAINL

MGND

PRT

SWGND

SWIN

FW208

QUM158-15DGZ4

CN201
QGB2510J1-09

SRELAY

FANSPEED

(SHEET 3)(SHEET 1)

QNN0601-001

C241

C242

C243

0.001

FW109

QJK015-082904

S1

S1

S2

S2

S4CT

R675

R676

C607

!

R605

C639

1/50

C231

0.001

J120

C232

0.001

C233

0.001

0.001

0.001

C221

8200/25

C222

8200/16

D221

C225

2.7K

R226

680 0.01/50

KTC3199/GL/-T

R227

0.22

R652

0.22

R650

!

!

D622

R602

100

33K

R666

C623

C608

47/63

!

1.2K

R606

D241

D240

Q240

2.2K

R240

!

D211

!

D212

C213

0.1/250

!

C606

R656

0.22

R654

0.22

!

C624

10/50

10/50

C610 C602

10P 0.022

R608

56K

C614C616

C211

0.01/100

D213

220P

!

KRC102M-T

Q613

100

R601

C611

100/50

!

10

R614

L602

R616

10

0.0470.047

!

100K

R215

C215

100K

R218

2200/50

C205

0.39

R674

KTC3199/GL/-T

R623

C202

Q612
KTA1267/YG/-T

10

Q602

47K

D204

0.01/250

!!!

D202

R668

10K

10K

R667

R682

D681

20K

R684

R681

MTZJ2.4B-T2

10K

15K

R683

47K

C681

0.22/50

4.7M

R685

Q681

2SK301/PQ/-T

C682

R687

R686

3.9K

D620

2.2K 220

R620 R618

R238

R248

R216

D203

!

C203

0.1/250

D201

C201

QNZ0136-001Z

1M 0.082

R725

82K

R726

100K

R793

82K

R792

82K

PGND

VH

SWLGND

-VH

SWRGND

-VL

VL

MAINLGND

-VH

!

!

!

R237 R236

!

!

!

R247

R246

100K

C204

0.01/250

EP201

VH

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

QGB2510K2-09

MAINRGND

QGB2510J1-09

D723

MTZJ36B-T2

CN212

CN202

(SHEET 3)

CN206

2.2K

KTC3199/GL/-T

D728

SWLOUT

SWROUT

IC270

KIA7805API

10/50

C130

10P

680

C131

QGB2510K1-11

CN214

QGB2510J1-12

CN204

POUT

VL

SWLOUT

SWLGND

SWROUT

SWRGND

MAINLOUT

MAINLGND

MAINROUT

MAINRGND

DC

DC

IMP

IMP

5.6MICON

S5V

M9V

FAN12V

MGND

M9V

S5V

FAN12V

5.6MICON

!

1K

R271

C271

D271

D270

10/50

MTZJ6.8C-T2

!

0.22

220P

R150

C146

KTA1267/YG/-T

Q175

C147

220P

R129

56K

47/63

R105

10K

R106

10

!

0.39

R127

L121

!

R128

10

C128

0.047

R153

100K

R112

0.047

C129

R104

D104

MRELAY

DVDPON

PGND

9V

POUT

9V

PGND

DVDPON

IC121

10K

R152

Q127

47K

KTC3199/GL/-T

R109

3.3K

HPMUTE

FANCONTROL

CN205

OUTDET

QGB2510J1-12

CN215

DC

QGB2510K1-12

OUTDET

!

IC280

KIA7812API

C281

C280

10/50

56k

R122

C121

220P

R121

C122

1k

1/50

R123

1k

C123

1K

R124

C124

56k

1/50

220P

C125
220P

56k

R126

D124

C126

1/50

18K

R151

C149
1/50

MTZJ5.1B-T2

D280

10/50

R125

1k

4.7K

D180

D162

R165

MTZJ15B-T2

STATUS

CN105

QGA2501F1-03

10K

R181

C180

47/25

1K

R182

R180

KTC3203/OY/-T

Q181

D171

D161

D172

R169

2.7K

R168

2.7K

3.3K

R166

R175

R176

B6082

B6084

!!

!

R170

R172R171

!

!

!

R160

R161

R162

Q195

R195

2.2K
KTC3199/GL/-T

!

IC290

KIA7809API

C291

C290

10/50

(SHEET 4)

CN106

QGD2503F1-03

Q194

KRA111M-T

!

R167

!

R177

470

470

R179

R178

3.3K

RY170

D170

QSK0109-001

RY160
QSK0109-001

D160

MTZJ11B-T2

10/50

D290

QUM155-15DGZ4

FW207

CIN

CGND

SRIN

SRGND

SLIN

R190

Q190
2SC3576-JVC-T

4.7K

R191

Q191
2SC3576-JVC-T

4.7K

R192

Q192
2SC3576-JVC-T

4.7K

R193

Q193

4.7K

2SC3576-JVC-T

C174

C164

C165

C175

C173

C172

C163

C162

J81

QNB0171-001

(SHEET 3)

!

IC701

R786

Q710

10

VL

0.22

R754

R713

L701

0.022 0.022

0.39

Q701

47K

R721

KTC3199/GL/-T

SLC12V

CN213

C705 C706

220P 220P

R766

R718

1K

R717

Q702

KTC3199/GL/-T

D719

5.6K

R720

R719

QGB2510K1-14

!

R138

C141

33K

1K

R762R761

D720

5.6K

680

47/63

R753

D704D703

MTZJ15B-T2

MTZJ15B-T2

6.8K

6.8K

R741

R723

R724

0.22

!

10

R774

6.8K

6.8K

R742

D724

MTZJ36B-T2

C709 C731 C730 C710

4.7P

R707

!

56K

C707

47/63

820

R705

!

C713C715

0.10.1

CN203

QGB2510J1-14

FAN12V

S4H

SLC12V

-VL

COUT

SROUT

SLOUT

1K1K

C140

10P

C138

C139

KTC1027/OY/-T

R722

C250

0.33

R137

56K

R136

0.047

0.047

10

L702

47K

Q713

R704R703

!

R714

0.39

PQ05RD21

!

KTC3199/GL/-T

L123

!

56K56K

R716R715

IC250

C251

0.39

!

KTA1023/OY/-T

C722

10/35

C721

10/35

10

!!

1010

470/25

Q125

R135

R110

R102

D102

10K

R777

B6255

4.7P

R708

56K

C714C716

0.10.1

R739

82K

R740

100K

!

D250

MTZJ5.6C-T2

R157

10

D122

47K

R143

R144

100K

R107

10K

10K

R787

R778

10K

C712

0.1

C711

470P

C703

R775

1K

C739

1/50

C708

47/63

C738

10/50

820

R706

!

R743

10K

Q725

100K

R744

KIA7809API

C260

!

C145

220P

R141

C148

100/50

33k

!

D121

R142

100

MTZ59.1B-T2

C135

1K

10P

R133

56K

!

R134

680

C133

0.047

C136

47/63

18K

C134

0.047

0.1

KTA1267/YG/-T

!

IC260

0.22

R146

KTC3199/GL/-T

!

R132

10

KTC3200/GL/-T
Q711

D726

100K

R768

R769

KTA1268/GL/-T

Q712

C723

100/10

!

!

47

47

R702

R701

10K

10/50

R730

C726

KTC3199/GL/-T

Q726

R728

R727

100K

10K

Q728

Q727

R729

100K

C729

47/16

KTA1267/YG/-T

QGB2510K1-12

MAINLOUT

MAINROUT

D260

C261

10/50

220/16

C270

MTZJ11B-T2

KRC102M-T

Q176

!

10

R148

0.22

!

C144

10/50

L122

0.39

!

R103

D103

R139

C142

C143

10/50

100/50

D125

MTZJ9.1B-T2

!

100

R140

Q126

1K

R155

R131

10

D123

R130

!

47K

18K

R156

R154

R111

100K

R108

SHEET 2

2-3