JVC KD-LX30R Bedienungsanleitung

SERVICE MANUAL

CD RECEIVER

No.49551

Mar. 2000

This service manual is made from 100% recycled paper.

Printed in Japan

200003(O)

VICTOR COMPANY OF JAPAN, LIMITED

MOBILE ELECTRONICS DIVISION,10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan

KD-LX30R

KD-LX10R

(No.49551)

KD-LX30R/KD-LX10R

Area Suffix

E ---- Continental Europe

Contents

Safety precaution 1-2

Preventing static electricity 1-3

Instructions 1-4~22

Disassembly method 2-1

Adjustment method 2-13

Maintenance of laser pickup 2-14

Replacement of lase pickup 2-14

Extention cord connecting method 2-15

Functions of the mechanism under

the servise mode 2-18

Flow of functional until TOC read 2-20

Description of major ICs 2-22

Block diagrams 2-41

Standard schematic diagrams 2-43

Printed circuit board 2-47,48

Parts list 3-1~17

ATT

KD-LX30R

SOURCE

RDS

MODE

BAND PTY

DISP

INTLOCALMONOSCM

10789 11 12

RPT RND

OFFSEL

KD-LX30R

KD-LX10R

Line IN Sub Woofer Remote

controller

SEL MODE DISP RDS PTY OFF/

Press the three buttons (UP button )+( button)+(Func button ).Then it is possible to select the follwing

service modes.After changing over to the service mode, press the UP button and DOWN button to

change the mode.For executing the respective service modes, press the SEL button.

With the service mode 2 , it is possible to call the error codes of the mechanism.

NORMAL MODE

DELEEPROM

CD-CH ERR

DEL CH-ERR

RUNNING

DELDATA

CD-ERR

(UP button ) + ( button) + ( button) at the same time.

: Deletion of entire EEPROM data.This mode is used when

shipping this system from factry.

:This mode is used only when the CD changer is connected.

: Running mode (Do not use this mode under the servise mode)

: (Deletion of CD error code and RDS data)

: Calling of CD mechanism error code

With the three error modes stored in maximum in the internal memory of the mechanism in the body of this

system, it is posible under the service mode to call the contents of error according to the following steps when

any error has occurred.

Data stored in EEPROM

1. RDS data

2. CD mechanism error cord

3. Station name (to be input by user)

4. DISC name (to be input by user)

5. AUX input name (application only to KD-LX30)

*Any data 3 to 5 above should not be deleted.

Functions of the mechanism under the service mode

1234

SOURCE

Error codesDescriptionOccurrence condition

Disc loading error 1. SW4 is not turned off.

2. SW3 is not turned on.

1. SW# is not turned off.

1. In case SW2 has been positioned to "L" before

starting loading during waiting for 15sec.

09 0011

09 0013

1. Display of mechanism error

2. Display of CD error

01 0021

80 0031

Error during standby for loading

Pickup feeding error

1. Inner peripheral feeding error

(10sec.)

2. Outer peripheral feeding error

(10sec.)

Focus search error

In the case of focusing error after

3-way focus searching

Tracking balance adjusting error

In the case of time-over (1sec.)

of timer

TOC area searching error

In the case of time-over (10sec.)

of timer

Reading error

IN the case of time-over (30sec.)

of timer

1st tracking access error

In the case of time-over (10sec.)

of timer

Last tracking access error

In the case of time-over (10sec.)

of timer

Q code reading error

In the case of time-over (0.6sec.)

of timer

TEXT data reading error

04 0051

04 0052

81 0053

82 0054

82 0055

84 0059

80 0060

80 0061

80 0062

80 0063

The pickup cannot returned to the inner

peripheral, and the REST switch is not turned off.

The pickup cannot be returned to the outer

peripheral, and the REST switch is not turned off.

In case the focus cannot be searched by one set

of focus searching (3-way focus searching) after

disc change and focus shock, judge that the focus

searching system is in error.

In case tracking balance cannot be adjusted even

after elapse of 1sec. following execution of the

adjusting command (TBA).

In case TOC area searching is not ended even after

elapse of 10sec.

In case reading is not ended even after elapse of 30

sec. during TOC reading action.

In case the first tracking access is not ended even

after elapse of 10sec. following completion of TOC

reading.

In case the last tracking access is not ended even

after elapse of 10sec. following completion of first

tracking under the RUNNING mode.

In case the Q code cannot be read for 0.6sec.

during playing TOC program area.

In case all TEXT data cannot be read.

Eject error

KD-LX30

CN901CN301

Front speaker

Rear speaker

OUTFL ,OUTFR

OUTRL ,OUTRR

IC941

POWER AMP.

IC361

Lch

LINE AMP.

IC461

Rch

LINE AMP.

INFL

INRL

INFR

INRR

IC911

E.VOLUME

IC701

CPU

LOUTF

LOUTR

LOUTF

LOUTR

Line out

FRONT

Line out

REAR

CN302

Line IN

SUBWOOFER OUT

FRONTL,FRONTR

REARL,REARR

TU1

TUNER PACK L-CH

R-CH

FM/AM

S.METER

SEEK/STOP

SD/ST

LEVEL

VOL-DA

VOL-CLK

IC51

RDS PLLCE

PLLDA

PLLCL

771

CH-L

CH-R

IC821

CRUISE

IC171

LINE IN

IC323

SUBWOOFER

IC321

SUBWOOFER

IC322

SWITCHING

IC771

JVC BUS

IC703

EPROM

IC702

RESET

IC961

REGULATOR

IC951

REGULATOR

ACC

MEMORY

CRUISE

SI/SO,SO,I/OBUSINT,BUSSCK

SDA

SCL

RESET PON

ACC5V

14V

LCD1

KEY

SWITCH

IC601

LCD

DRIVER

IC602

LCD

DRIVER

CB1~CB3

SB1~SB52

CA1~CA8,SA1~SA60

IC603

REMOCON

CN601CN631

KEY1,KEY2,INV

LCDRST,LCDCE1,LCDCL,LCDDA

REMOCON

LCDRST,LCDCE2,LCDCL,LCDDA

LED

KEY0

KEY1

to CN701to CN702

PICKUP

OPTIMA720

FOCUS

COIL TRACKING

COIL

LOADING MOTOR

FEED MOTOR

SPINDLE MOTOR

REST SWITCH

SW1~SW4

CN501

REST

SPINDLE

FEED

SW1~SW4

A,B,C,LD

FOCUS

TRACKING

IC581

CD&TRAY/DOOR

DRIVER

IC501

RF AMP. VA,VB,VC

MO,LD

FEED ,SPINDLE

TRACKING ,FOCUS

LDON,LOADING

IC521

DSP & DAC

SW1~SW4,REST

SEL,TEB,TE

SBAD,FE,RF

RFGC,RFAP

FOO,TRD

DMO,FMO

CN503 CN504

M M

DOOR

MOTOR TRAY

MOTOR

DOOR TRAY

IC151

CD LPF

CASW1

CASW2

CASW3

L-CH

R-CH

BUS0

BUS1

BUS2

BUS3

BUCK

CCE

RST

CDON

LMO

LMI

DMO

DMI

DMK

TM0

TM1

TMK

CD-L,CD-R

CN701 CN702

KEY0

KEY1

RESET

INV

REMOCON

KEY1

KEY2

LCDDA

LCDCL

LCDCE1

LCDCE2

LCDRST

AU.L,AU.R AU.LI,AU.RI

W.VOL

W-LPF1

W-LPF2 SUBW

RDS

RDSDA

RDSSCK

AMAF

IC31

MPX

FMDET.ADJ

SEPA.ADJ ST

Block diagrams

KD-LX10

CN901CN301

Front speaker

Rear speaker

OUTFL ,OUTFR

OUTRL ,OUTRR

IC941

POWER AMP.

IC361

Lch

LINE AMP.

IC461

Rch

LINE AMP.

INFL

INRL

INFR

INRR

IC911

E.VOLUME

IC701

CPU

LOUTF

LOUTR

LOUTF

LOUTR

Line out

REAR L

REAR R

TU1

TUNER PACK L-CH

R-CH

FM/AM

S.METER

SEEK/STOP

SD/ST

LEVEL

VOL-DA

VOL-CLK

IC51

RDS PLLCE

PLLDA

PLLCL

771

CH-L

CH-R

IC821

CRUISE

IC771

JVC BUS

IC703

EPROM

IC702

RESET

IC961

REGULATOR

IC951

REGULATOR

ACC

MEMORY

CRUISE

SI/SO,SO,I/OBUSINT,BUSSCK

SDA

SCL

RESET

PON

ACC5V

14V

LCD1

KEY

SWITCH

IC601

LCD

DRIVER

IC602

LCD

DRIVER

CB1~CB3

SB1~SB52

CA1~CA3,SA1~SA52

IC603

REMOCON

CN601CN631

KEY1,KEY2,INV

LCDRST,LCDCE1,LCDCL,LCDDA

REMOCON

LCDRES,LCDCE2,LCDCL,LCDDF

LED

KEY0

KEY1

to CN701to CN702

PICKUP

OPTIMA720

FOCUS

COIL TRACKING

COIL

LOADING MOTOR

FEED MOTOR

SPINDLE MOTOR

REST SWITCH

SW1~SW4

CN501

REST

SPINDLE

FEED

SW1~SW4

A,B,C,LD

FOCUS

TRACKING

IC581

CD&TRAY/DOOR

DRIVER

IC501

RF AMP. VA,VB,VC

MO,LD

FEED ,SPINDLE

TRACKING ,FOCUS

LDON,LOADING

IC521

DSP & DAC

SW1~SW4,REST

SEL,TEB,TE

SBAD,FE,RF

RFGC,RFAP

FOO,TRD

DMO,FMO

CN503 CN504

M M

DOOR

MOTOR TRAY

MOTOR

DOOR TRAY

IC151

CD LPF

CASW1

CASW2

CASW3

L-CH

R-CH

BUS0

BUS1

BUS2

BUS3

BUCK

CCE

RST

CDON

LMO

LMI

DMO

DMI

DMK

TM0

TM1

TMK

CD-L,CD-R

CN701 CN702

KEY0

KEY1

RESET

INV

REMOCON

KEY1

KEY2

LCDDA

LCDCL

LCDCE1

LCDCE2

LCDRST

IC31

MPX

FMDET.ADJ

SEPA.ADJ

RDSDA

RDSSCK

AMAF

RDS

KD-LX30RTuner & Main section

Standard schematic diagrams

AUX SIGNAL

FRONT SIGNAL

RIGHT SIGNAL

TUNER SIGNAL

CD SIGNAL

CD CHANGER SIGNAL

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

KD-LX30R CD & LCD section

CD SIGNAL

KD-LX10RTuner & Main section

FRONT SIGNAL

REAR SIGNAL

TUNER SIGNAL

CD SIGNAL

CD CHANGER SIGNAL

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

KD-LX10R CD & LCD section

CD SIGNAL

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