JVC CHX-1000 Schematic

1

2

3

4

5

Brock Diagram

ABC

Tracking actuator

Spindle motor

Feed motor

Feed motor

Focus actuator

BA5926S

Focus
driver

Tracking
driver

TA2109F

RF amp. AGC amp.

servo
signal
interface

Focus
eror
amp.

Tracking
error
amp.

Focus
servo
amp.

Tracking
servo
amp.

TC9462F

Data
slicer

VCO
PLL
TMAX

A/D

PWM

D/A

Synchronous
signal
EFM
demodulator

CLV
servo

Digital
equalizer
auto
adjustment

Correction
circuit

RAM

Sub code
decording

Servo
control

D/A
converter

Micon
interface

LPF LPF Mute Audio output

Microprocessor
control

Bus
buffer

J-BUS

Feed
driver

Spindle
driver

2-1

Mecha.detect
switch
Eject switch

Positioning
motor driver

Tray motor
driver

Main circuit1(CH-X1000)

CN902

ICP-N70

SENSOR

AVREF0

QVY0002-R14

VR601

QNZ0095-001

C952

0.22/50

D902

CN601

QGA2501F1-03

2A02

L902

QQR0779-001

CN901

QGA3901F1-04

33K

R103

120P

C203

R203

IC-PST600M/G/-W

C103

BA15218F-XE

IC101

120P

33K

C105
10/10

C205
10/10

Q981

2SD1994A/RS/-T

0.01

C982

2SD1994A/RS/-T

2SD1048/6-7/-X

R206 R106

D981

Q942

R107

470

Q101

2SD1048/6-7/-X

Q201

10K 10K

R207

470

R982

220

MA3091/M/-X

Q941

2SB941A/QP/

CN904

CN903

QGF1009F2-10

QGF1004F4-10

100P

100P 100P

6.8K

C111

C206 C106

6.8K

R208

R108

D101

HSM2836C-W

M.PWR

Q971
2SA1037AK/R/-X

R971

22K

Q972

220

C983

47/16

R981

2SC2412K/R/-X

R973

100K

R972

2.2K

F941

ICP-N70

10

R941

SI/SO

T.RUN

100P

100P

C906

C907

SCK

P.SW

R954

2.7K

R102

47/6.3

R601

REST

TRAYOUT

R104

22K

R105

4.7K

SHOCK

22K

IC602

12K

47/6.3

C104

R202

12K

C605

47/6.3

330K

22K

R657

R656

100

330

5

R660

100K

0.01

IC651

HD74HC126FP-X

R661

C651

100K

R659

4

R658

10K

100

R652

22K

22K

R651

R653

330K

R654

IC601

UPD780058GC-052

R655

S606

QSW0643-001Z

SI/SO

5V

SCK

C611

SENSOR

AVREF0

0.1

C610

0.1

4.7K

4.7K

4.7K

4.7K

R603

R604

R605

R625

C101

10/16

C201

10/16

R618R619

1K10K

2SC2412K/R/-X

0.01

C602

R101

27K

T.RUN

22K

R204

22K

R205

C204

100/6.3

M.PWR

0.01

10K

47K

TRAYIN

C606

R622

R614

820P820P

C102C202

R201

27K

Q602

C609

R621 R620

47K 100K

10K

R607

P.SW

P.DET

C612

0.1
10K

R606

L-CH

AGND

R-CH

10K

R602

100/6.3

C601

22P

22P

C604

C603

X601

QAX0414-001Z

3

R951

D951

R112

1.2K

MA3051/M/-X

C951

0.01

0.01

C112

F901

47

C945

D941

MA3100/L/-X

0.01

C915

100/10

0.01

C941

C942

Q911D913Q921

2SD1994A/RS/-T

MA3062/H/-X

D912

0.01

0.01

C914

REST
TRAYOUT
TRAYIN
POSMO+
POSMO­TRAYMO+
TRAYMO-

L-CH
AGND
R-CH

SHOCK
RST
CCE
BUCK
BUS3

2

BUS2
BUS1
BUS0
CD+B
GND

IC604

BR24C01AF-X

47K

R626

R617

47K

BUS3

BUS2

BUS1

BUS0

RST

CCE

BUCK

TRAYMO-

TRAYMO+

POSMO-

POSMO+

R623

47K

R612

47K

R611

47K

R610

47K

R609

4.7u

5V

L601

P.DET

2SC2412K/R/-X

R926

S601

VSH1173-001

22K

10/16

C946

R921

27K

2SA1037AK/R/-X

R923

180K

Q922

HSM2838C-W

47/16

0.01

C943

C944

HSM2836C-W

D921

Q943

DTA114EKA-X

R942

470

R943

3.3K

Q944

DTC114EKA-X

L901

QQR0905-001

10K

2200/16

2A02

0.01

C901

D901

C902

4.7K100/10

R911C913

100/16

C912

D911

R912

2.2

DSK10C-T1

22K

R925

6.8K

R924

Q901

2SA1037AK/R/-X

2.2K

R902

R903

R901

3.9K

Q902

DTC114EKA-X

1

2-2

HABC DE FG