JVC XV-FA90BK, XV-FA92SL, XV-FA95GD Service Manual

XV-FA90BK/XV-FA92SL

XV-FA95GD

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. When replacing them, be sure to use the parts of the same type and rating as specified by the manufacturer. (Except the JC version)

2-1

XV-FA90BK/XV-FA92SL XV-FA95GD

Block diagrams

DVD Servo control & AV decoder section (SHEET 1,2,3,4)

(SHEET 2,3,4)

LADD4~19

IC512 IC513

BDO OFTR TBAL TE RFENV FBAL FE AS ARF+ ARFTESTSG

FODRV TRDRV TRSDRV

CN210

FG SPDRV

FEPEN CPSCK SDOUT SLEEP

(Digital servo controller)

SBRK SPMUTE

OSCI/O

Flash ROM

AD4~19

DRVMUTE

TRVSW

X401

AD0~15 PWE0

IC509

LA0~3 ACK FCS

ODC

(Optical disc controller)

IC301

CPDET1 CPDET2

PLLOK

DAT0~3

ADSC

IC201

ADSCEN CIRCEN CPSCK SDOUT ADSCIRQ SDIN

Unit CPU

IC401

EPDO EPDI

EPSK EPCS

EPROM

IC403

CPPM

IC500

LSIRST

WAIT /WR /RD CPUD0~7 CPUA0~17

STD0~7

DECIRQ

SSPIN0

SSPOUT0

SSPCLK0

REQ

SSPIN0 SSPOUT0 SSPCLK0 REQ

READY

64M SDRAM

IC505

AV DECODER

IC501

CVBS2/Cr/R

C/Cb/B

Y/G

CVBS/C

CPURST

LRMUTE S1OUT SSPCLK1 SSPOUT1 SSPIN1 AOUT0~2 SPDIF DAC0~2CS

2-2

BDO OFTR

TBAL TE

FEPEN CPSCK SDOUT

SLEEP

RFENV

FBAL FE

ARF+ ARF-

TESTSG AS

FEP

(Front end processor)

IC101

S101

CN110

TRVSW

FODRV TRDRV TRSDRV

T1CD T2CD F1CD F2CD TR TC TD TA F2DVD F1DVD

CN101

TO OPTICAL PICK-UP TO SPINDLE

DRVMUTE

4CH Driver

IC271

T+ TF+ F-

FM+ FM-

FEED

MOTOR

SBRK SPMUTE

FG SPDRV

VH SM1~3 H1+~H3+ H1-~H3-

TO SHEET 5

(SHEET 1)

SPINDLE

MOTOR DRIVER

IC251

CN201

MOTOR

FL Display & system control section (SHEET 5)

TO CN951

CN814

XV-FA90BK/XV-FA92SL

XV-FA95GD

SHEET 6

TO SHEET 7

CN804

CN803

AVC

READY

DI801

FL DISPLAY

P1~P24

SYSTEM

F-

F+

1G~13G

X1,X2

IC801

CONTROLLER

DDPLED

PROGLED

LED

D814

PROGRESSIVE

OSC

X801

STB

P.ON

REMO

MUTE

CN805

ALED

D813

DVD AUDIO LED

CLK

DATA

LED

IC802

CONTROLLER

CN806

DCH

STANDBY

D1~D7

PONLED

STLED

REM

STLED

PONLED

LED D812

POWER

BUTTON

ALED

PROGLED

DDPLED

REMOTE

S811

IC804

CONTROLLER

CN813

CN801

CN807

TO CN952

CN812

CN802

SHEET 6

KEY3

KEY2

SWITCH

S801~S808

OPERATION

SWITCH

S809,S810

OPERATION

DIODE

D815~D823

D805~D811

S812~S815

LDOWN

CPURST SSPCLK1 SSPOUT1 SSPIN1

CN808

CN84

MUDSW

FXIN

TO SHEET 4

M81

MOTOR

LOADING

S81,S82

SWITCH

DETECTION

LUP

MOTOR

LOADING

IC451

DRIVER

CN809

CN85

TOUT

TIN

S83

TRAY

SWITCH

OPEN/CLOSE

TRAY

RR

RL

MOTOR

ROTATION

IC452

DRIVER

OUT1

PHOTO

CN810

CN81

OUT2

IC81,IC82

DETECTOR

TRAY

MOTOR

ROTATION

M82

CN82

CAMSW

CN83

S84

CAM SWITCH

2-3

XV-FA90BK/XV-FA92SL XV-FA95GD

Power supply section (SHEET 6)

TO CN814

SHEET 5

CN951

F+

F-

STLED

B5V

CN952 CN953

ALED

DDPLED

PONLED

PROGLED

TO CN807

SHEET 5

REMO

P.ON

M9V

-VDISP

D5V

TO CN901

SHEET 2

D3.3V

+12V

-12V

Q951,Q952

FL ON/OFF

D951

C960

AC-DC

D950

D952

AC-DC

C963,C964

IC951

+5V REG.

L952

D953

AC-DC

C965,C966

T901

TRANSFORMER

D954

AC-DC

IC952

+3.3V REG.

L955

C979,C997

D958

AC-DC

C971,C972

Q991

D956

AC-DC

L957

AC-DC

C982,C984

L959

D957

C987,C989

2-4

D901

AC-DC

LINE FILTER

AC IN

L901

D904

C914

AC-DC

SWITCHING

REGULATOR

IC901

D908

AC-DC

D910

PC902

MODE SW.

PC901

FEED BACK

Video signal driver section (SHEET 7)

XV-FA90BK/XV-FA92SL

XV-FA95GD

AVC DCLK DAC0CS DDATA AOUT0 LRCK MUTE1 SPDIF

DCLK DAC1CS DAC2CS DDATA AOUT1 AOUT2 LRCK MUTE2,4

Y/G

TO SHEET 5

CVBS/C

C/Cb/B

CVBS2/Cr/R

LPF

L601,L605

IC601

LPF

L602

IC602

LPF

L603

LPF

L604

IC603

AUDIO/VIDEO Signal output section (SHEET 8)

CV/Y2,3

Pr/R/C

Pb/B

Y/Gr

CV

C

Y

CN602

TO CN751 SHEET 8

CN603

TO CN761 SHEET 9

CN601

TO CN752 SHEET 8

TO CN601

SHEET 7

TO CN602

SHEET 7

CN751CN752

DCLK DDATA DAC0CS AOUT0 LRCK

CV/Y2

CV/Y3

AVC

FRONT

AUDIO DAC

IC753

SPDIF

OUT1C OUT1D OUT2C OUT2D

LPF

IC751,IC752

IC754 T1161

Pr/R/C

MUTE1

MUTE

Q1102,Q1101

Pb/B

Y/Gr

CV

Pr

J755 COMPONENT

Pb

VIDEO OUT

Y

C

L,R

J754 S-VIDEO OUT COMPOSITE VIDEO OUT

J756 AV COMPULINK

CN754

TO CN764 SHEET 9

J751 FRONT ANALOG AUDIO OUT

J752 COAXIAL DIGITAL OUT

J753 OPTICAL DIGITAL OUT

2-5

XV-FA90BK/XV-FA92SL XV-FA95GD

Surround audio signal output section (SHEET 9)

MUTE2

TO CN603

SHEET 7

TO CN754

SHEET 8

CN761

CN764 CN762

Non connect

AOUT2 BCK LRCK D DATA

AOUT1 BCK LRCK D DATA

CN763

REAR

AUDIO DAC

IC763

CENTER/

SUB WOOFER

AUDIO DAC

IC773

OUT1C OUT1D OUT2C OUT2D

SL,SR

C

SUB

OUT1C OUT1D OUT2C OUT2D

LPF

IC761,IC762

LPF

IC771,IC772

MUTE

Q1201,Q1202

MUTE4

MUTE

Q1301,Q1302

SL SR C SUB

J761

REAR ANALOG AUDIO OUT

CENTER ANALOG AUDIO OUT

SUBWOOFER ANALOG AUDIO OUT

2-6