JVC KD-ADV7380J, KD-DV7300J, KD-DV7301E, KD-DV7301EU, KD-DV7302E Service Manual

SCHEMATIC DIAGRAMS

DVD/CD RECEIVER

KD-ADV7380J,KD-DV7300J,KD-DV7301E

KD-DV7301EU,KD-DV7302E,KD-DV7302EU

KD-DV7304UI,KD-DV7305U,KD-DV7305UN

KD-DV7305UT,KD-DV7305A,KD-DV7306U

KD-DV7306UN,KD-DV7306UT,KD-DV7306A

KD-DV7307EE,KD-DV7308EE,KD-DV7388UF

CD-ROM No.SML200704

KD-DV7301 KD-DV7302 KD-DV7307

KD-ADV7380 KD-DV7300

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)

Contents

Block diagram Standard schematic diagrams Printed circuit boards

KD-ADV7380 KD-DV7300

2-1 2-3 2-13 to 16

KD-DV7308

No.MA312SCH

2007/4

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.

< MEMO >

Block diagram

S

E

0

A T

S

V

FOCUS

&

TRACKING

COIL

PICK UP

LOAD & FEED MOTOR

SPINDLE MOTOR

SW1 to SW3

DVD section

CD VR DVD VR

CD/DVD

A, B, C, D, E, F, RF+/-, LPC1, LPC2, HAGUP

CN101

DVD LD

Q106,Q107

Q101 Q102

CD LD

Q103 Q104

F+/T+/-

IC201

M

FLM+/-

H1+/H2+/H3+/-

CN201

SM1 to 3 VH

DRIVER

IC251

SP MOTOR

DRIVER

IC399

SDRAM

IC398

SW2

CN202

SW3

SW1

FLASH ROM

SW4,SW5

TRVSW

SW4

CD

LPCO1 DVDLDCUR

LPCO2 CDLDCUR

/DRVMUTE TRDRV FODRV TRSDRV DRVCONT

LDIN

Q231

SPDRV /SPMUTE FG

MA0 to 11 MDQ0 to 15 DQM0, DQM1 BA0, BA1 MCK, NWE, NCSM NCAS, NRAS

EXADT0 to 15 EXADR16 to 20 EXDT0 to 15 NEXOE, NEXCE NEXWE, /FL_RST

Q301

Q302

LM

IC301

DVN

HDD4 to 11

TRANSCEIVER

TX DAC4(COMPOSITE)

AOUT3 BCK LRCLK PCMCLK DACPDN DAC0CS DCLK DD ATA

UCS SCS SCLK U2SDT S2UDT CPURST LRMUTE

EPCS I2CSCL I2CSDT

IC401

DAC

IC411

IC481

EPROM

X351

27MHz

USBCLK

X354,IC308

48MHz

D1.2V

IC302

2V to 1.2V REG.

D2V

IC306

USB

AOUTL+/AOUTR+/-

LPF

SW1 SW4

D+/-

L-CH R-CH

CN403

CN966

USB

D+/TX, COMPOSITE DVDL/R(L-CH, R-CH) SW1, SW4

CN962

IC961,IC962

CONVERTOR

D+/-

CN965

CN964

UCS, SCS SCLK U2SDT S2UDT CPURST LRMUTE

LEVEL

Used for KD-DV7301 KD-DV7302 KD-DV7307 KD-DV7308

D983

LED

USB5

Q861

S701

PANEL

OPEN

SWITCH

CN963

D718 to D

Q701,Q7

LED

U

2-1

LCD & Key control section

LCD1

LCD

COM1 to 3 S1 to S52

IC601

LCD

DRIVER

D601 to D618

D620,D621,D645,D646

LIGHTING DISPLAY

LCDCL LCDDA LCDCE

IC602

REMOCON

S601 to S617 KEY MATRIX

EN601

ENCODER

10V

REMOCON

KEY0 to 2

ENC1 ENC2

CN601

LCDCL LCDDA LCDCE REMOCON KEY0 to 2

CN701

ENC1 ENC2

PAN DET SWI

IC723,

RES

S7

B

Main amplifier & System control section

TU_SDA, TU_SCL, SSTOP, Q_OUT, AFS, FSU

RDSDA, RDSSCK

Used for KD-DV7301,KD-DV7302 KD-DV7307,KD-DV7308

5V

IC963

SB5V REG.

M5V

P_OPEN

D+/-

TX COMPOSITE

CN961

IC722

DVDL/R

SCS, UCS SCLK U2SDT S2UDT CPURST LRMUTE SW1, SW4

EPCLK EPDAI EPDAO

HPCK HPSTB HPDATA

DVDL/R

IC431

HEADPHONE

E.VOLUME

VOLDA VOLCK VOLMUTE

MUTE

AMPKILL

4.332MHz

LOUT ROUT

IC161

E.VOLUME

Q304

X71

EPROM

IC71

RDS DETECTOR

IC421

HEADPHONE

AMP.

COMPOSITE

W-MUTE

OUTSW

SUBWOOFER MUTING

Only Used for KD-ADV7380

5V L-CH LINE AMP.

Used for except KD-ADV7380

OUTLF/RF OUTLR/RR

Q781,Q303

MUTE

CONTROL

VDD,MSW5V,ACC5V,M8V,MA9V,10V

DOUTMUTE

MPXIN

VMUTE

Q191, Q192

IC371

MUTE

STBY

TX

IC401

DIGITAL MUTE

FM/AM

TUNER

TU.L/R

Q422,Q432,Q782

HEADPHONE

MUTING

IC411

VIDEO AMP.

Q324,Q334 Q344,Q354

LINEOUT

MUTING

IC301

POWER

AMP.

TU21

HPMUTE

OUTLF/RF OUTLR/RR

FRONT L+/FRONT R+/REAR L+/REAR R+/-

LINE-L/R

VOUT

OUTSW

IC402

DIGITAL OUT

W21 ANT

CN421

2nd AUDIO OUT

COMPOSITE VIDEO OUT

SUB WOOFER LINE OUT

LINE INPUT

J331

FRONT/REAR LINE OUT

EACH BLOCK

ANT

D720

710

702

NEL

TACH

ITCH

,S723

ET

LED

PDETACH

MAINRESET

X721

20MHz

X722

32.768kHz

IC721

CPU

PON

DIMOUT

BATT

PBRK

DIMMER

I/O SI/SO BUSINT BUSSO BUSSCK

Q901,Q902

DIMMER

Q976,Q977

PS2

Q885

Q881

IC801

JVC BUS

PAR K

ILL

AJ

REGULATOR

Used for KD-DV7304 KD-DV7305 KD-DV7306, KD-DV7388

Used for except KD-DV7300

CHL/R

SCK, SI/SO

IC901

ANT

D851

POWER ANTENNA

TELMUTE

FAN

Q821 to Q823

FAN CONTROL

MEMORY

ACC, REMOTE

Q891

TEL MUTE

AUTO ANT

TEL

CN901

SPK BATTERY

J801

CD CHANGER CONTROL

CN821

M

FAN MOTOR

DVDSW

A9V/A5V REG.

A9V/A5V

Q903,Q904

Used for KD-DV7301,KD-DV7302,KD-ADV7380

3.3V

MA9V

IC921

3.3V REG.

M5V VDD

IC922

5V REG.

5V

HNDLEREM

CN831 OE REMOTE

2-2

Standard schematic diagrams

U

T

K

Main section (except Europian version)

QAU0484-001

TU21

!

W21

QAM0105-003

QQL244J-4R7Z

R7

L1

NQR0536-001X

CN966

QNZ0906-001

SUDT

CRST

L966

22K

R971

USBP

UD+

UD-

UTX

US

SK

UT

LRM

DL

DR

S4

S1

VG1

DA4

CN962

22K

R970

US

US1

LRM

LRM1

47/10

C934

QGF0534F3-50X

D985

D984

UDZW5.1B-X

LHQ974/LM/-X

IC961

TC74LCX32FT-F-X

TC74VHCT32AFT-X

D983

0.047 C971

C966

C970 47/10

0.1/16

IC962

C967

0.001

C911

CN965

QGB1214J1-08S

0.1/16

47/10

C962

D925

D924

22k

D906

CN964

QGB1214K1-08S

D923

R973

22k

R914

220

UDZW5.1B-X

R860

CRS03-W

R974

R975

22k

USBUSB+

560

2SA1530A/R/-X

Q861

1K

R797

CRS03-W

DL

SUD1

SUDT

DR

RST1

CRST

SCS1

S1

S4

DA4

VG1

SK1

UT

SCS1

US1

SK

SUD1

SK1

RST1

LRM1

UTX

UD+

USBP

UD-

0.1

C961

C980

220/6.3

R863

0

47K

0.1

IC724

SN74AHCT1G08V-X

R972

R861

0

R862

R798

C726

CN963

1K

D861

2.2K

SAOUT

0

R796

QGB2027L9-30X

1SS355W-X

SACLK

0

R795

QNZ0605-002

D862

UDZS4.7B-X

0

R793

2P

C14

C10

CN961

QGB2027M5-30S

IC963

BD6516F-X

R790

R791

R792

CN701

2P

B971

D1

1SS355W-X

U2SDT

CPURST

LRMUTE

R962

100

C960

0

B972

P_OPEN

KEYDATA

D2

SW1

SW4

SCLK

SCS

UCS

S2UDT

C972

100P

R941

D701

D702

D703

UDZW6.2B-X

6.8K

0

1SS355W-X

TX

100P

0

R920

15K

R942

KEY0

UDZW6.2B-X

C12

0.047

220/10

C926

QEXF1AM-476Z

D922

RB051L-40-X

KEY1

KEY2

R4

0

5p

C13

C11

DVDL

DVDR

VGND

COMPOSITE

C969

C965

C968

0.047

!

C964

330/6.3

0

R967

330/6.3

C921

C922

220/6.3

R961

10K

D921

C925

RB051L-40-X

220/10

NQL56CK-220X

L924

220

R930

470/25

R922

L925

C927

33K

R923

NQL71EM-330X

C928

0.1

R929

NI

R926

300K

C930

0.1

150K

4700P

8.2K C929

R925

R924

0.1

0

C931

R927

ENC1

ENC2

LCDCE

LCDCL

LCDDA

DIMOUT

REMOCON

10K

270

10K

270

R707

R706

R705

R704

220/10

C963

15K

R928

SBRST

Q904

RT1N141C-X

IC921

Q922

RSQ035P03-W

C923

B922

0

D790

R794

ENC2

Q702

L701

NQL79GM-100X

D710

0.1

C1

Q903

2SA1530A/R/-X

R910

2.2K

0

R921

BA33DD0WHFP-W

100/6.3

NQLE74M-100X

47k

MC2838-X

2.2K

2SA1530A/R/-X

UDZW6.2B-X

D704

UDZW6.2B-X

D705

UDZW6.2B-X

D706

D707

UDZW6.2B-X

D709

UDZW6.2B-X

0.01

C701

0.1

C702

UDZW6.2B-X

D711

0.1

C703

R909

0

R969

L922

IC922

R702

270

R2

1k

FSU

47K

BD9781HFP-W

R9

SWREG

!

PS2

C428

4.7/16

DVDR

DVDL

C438

4.7/16

R452

22k

C451

47/6.3

22k

R451

22k

R441

R442

C441

47/6.3

22k

10

R82

MA9V

TU.L

TU.R

LRMUTE

1K

R747

IC721

DE_DA

QAX0401-001

R461

COMPOSITE

VGND

C166

10/16

QTE1H54-225Z

DVDL

C172

DVDR

C182

QTE1H54-225Z

2.2/50

TU.L

C171

2.2/50

TU.R

C181

SW1

SW4

SWREG

DOUTMUTE

0

4.7K 0

4.7K

R738

R729

R735

R739

!

0

R745

10M

R744

R743

10M

47K

FMLDO

X722

R746

X721

22P

27P

C729

C728

QAX0916-001Z

C83

4.7/25 R81

R91

R5

R6

33

SSTOP

TU_SDA

TU_SCL

R11

R10

4.7k2P47K5p4.7k

IC71

LC72725KM-X

C907

0.01

0.001 C932

47/10

C933

L902

NQL56CK-220X

BATTDET

DIMOUT

1K

3.3k

C6

C7

C4

R3

C5

0.1 47/16

C74

560p

C997

0.01

R8

C8

0.1

220/10

0.1

Q_OUT

R12

12

R13

12

R71

100

R14

0

2K

330P

C71

R72

C73

10/16

0.01 C72

0.01

47/6.3

33P

C78

C76

C77

C75

X71

QAX0263-001Z

0.01

C999

KEY2

TH721

NAD0028-103X

4.7K

10K

R761

R762

R749

ST1P

R748

R750

FSU

R768

Q_OUT

R767

R711

P_OPEN

R713

PDETACH

LED

SSTOP

R719

AFS

R720

R771

R776

LCDCE

R774

BUSSCK

R775

SI/SO

R777

BUSSO

I/O

IC722

S-24CS16A0I-G-X

C733

470P

REMOCON

1k

R710

Q701

C914

C915

2SA1530A/R/-X

R708

270

0.1

100P

D719

LHQ974/LM/-X

D720

LHQ974/LM/-X

C93

4.7/25

C94

C84

C81

C91

RDSDA

RDSSCK

Q2

C9

0.22 RT1N141C-X

0.047

KEY1

KEY0

RA723

220k

R759

4.7K

NRZ0065-472X

R760

0

10k

0

470

4.7k

1k

270

R715

270

R716

R709

5.6k

Q710

D718

RT1N441C-X

LHQ974/LM/-X

R92

AFS

220/10

C722

C721

C741

ENC1

ENC2

LCDDA

LCDCL

220k

R758

LED

RxMTxM

470

10k

470

R765

R763

R846

R847

UPD78F1167GC

2.2K

1K

R718

4.3K R754

R780

R779

R845

R799

S2UDT

U2SDT

SCLK

RDSSCK

RDSDA

GND

VDD

DE_CLK

220K

47K

R733

R725

R726

BUSINT

CPURST

1K

R844

0.47

C734

22/16

C461

HPDATA

HPCK

HPSTB

100/10

C161

C162

0.047

C163 1

C164 1

SCS

UCS

220/10

470P

1K

C723

C732

R919

R843

R842

330

R717

R848

TU_SCL

TU_SDA

R755

10k

RESET

R721

0

220/10

470P

C740

C725

C724

2.2/50

C174

0

R152

0

ST1P

S723

QSW0648-001Z

0

R161

C165

1

2.2/50

C168

C175

470P

Q923

RT1N141C-X

R769

NRZ0065-222X

4.7K

IC723

UDZW6.2B-X

D732

R142

C185

R722

LC75344M-X

R462

R162

2.2/50

C184

0

470P

T.M

R753

R849

R756

C437

4.7/16

IC431

C427

4.7/16

C463

0.1

10

47K

R163

47K

10K

0

RA721

RA722

NRZ0065-222X

4.7k

R728

R727

5.6k

10K

R724

R740

100

S-80833CNNB-G-W

MAINRESET

C730

2.2k 47/6.3

6.8K

R437

100K

R439

IC421

NJM4565E-X

100K

R429

R427

R723

TDA7416

6.8K

VMUTE

W-MUTE

R165

47K

R164

C267

10/16

220

R166

SAO

VOLMU

SACL

VOLC

VOLD

IC161

2.2/50

C187

CHR

CHL

2.2/50

C177

LINE-R

LINE-G

LINE-L

SAOUT

SACLK

VMUTE

HPMUTE

FAN

PBRK

HPSTB

HPDATA

HPCK

W-MUTE

MUTE

VOLCK

VOLDA

VOLMUTE

TELCONT

PON

47K

R751

R752

HNDLEREM

TELMUTE

DIMMER

AMPKILL

ANT

PS2

KEYDATA

SBRST

D731

47k

0.01

1SS355W-X

C731

R757

R464

0

33k

2-3