JVC TH-A10 Schematics

TH-A10

Block diagrams

Block diagrams (DVD servo control Section)

TO

WA231 OF

LVA10108-A1

(VIDEO

IN/OUT)

648

CN503

10

1

CN502

~~

111519

FROM/TO

CN801 OF

LVA10108-A1

(SYSTEM)

378

21

10

31

32

43

1

33

Y OUT

C OUT

Pb OUT

IC554

VIDEO ENCODER

12, 14

V5V

OSC

X371

33.86MHz
IC371,IC372

15

IC374

CLK169

TC7WH74FU-X

13, 28

47~50

FEP

(Front End Processor)

91, 92

94~96

LVA10047

BLANK

Pr OUT

39~46

MC44724AVFU

2, 3, 6, 74

VREF

TC7SH04FU

ODC

100

ERROR

STATES

SIGNALS

CONTROL

20, 21

68

IC101

AN8706FHQ

LDLD

IC552

2M FRAM

IC555

+2.5 REG.

MC33269D

CPU DATAS

27

59, 60

UPD42280GU-30

WAITODC

OR GATE

AND GATE

IC301

SBCK

108

MN103007BGA

(Optical Disc Controller)

FG

9

16

111

FC

ST/SP

18,19

IC251

25, 27

AN8485SB

SPINDLE DRIVER

2~7

22, 26,28

CN101

CN11

15,27

16~23 36

(MN4777AS-XE)

IC311,IC312

TC7SH08FU

45

91, 93

14, 99

GRAPHIC CONTROLLER

FRD 0~7

FWD 0~7

TC7SH32FU

DSC

Controller)

(Digital Servo

11

CONTROL

9, 104,105

9, 20

23, 26

TRVSW

15~18

4CH DRIVER

M +/-

T+/-

FMA +/-

FMB +/-

95~100

CA 0~19

1~ 8

IC551

JCE8011

925

STREAM DATAS . CD DA DATAS

WAIT

IC321,IC322

TC7WH74FU

TC74VHC00FT

114

IC201

MN67705EA

12,13 35, 38 35, 38

SIGNALS

IC271

BA5983FM

11, 12

13, 14

F+/-

CD 0~7

8M ROM

10, 11

IC553

WAITDEC

CLK338

TOPEN

TCLOSE

HSYNC

DA DATA 1

DA LRCK

DA BCK

163,172,173

MSM531622F69G

VSYNC

VD 0~7

13

15

177

178

OSC.

IC502

27MHZ

IC452

TC7WT125FU

118

71, 76

51, 52

50

CPSCK

SDOUT

SWOPEN / SWCLOSE

CN103

IC503

TC74VHC00FT

159 5 8

IC501

ZIVA3-PA1

AV DECODER

206

8~11

2~4,6

1

3

IC507

TC7WH74FU

NAXO265-001X

LSI RST

11

CK135

23

5

WAIT

1

IC401

UNIT CPU

70,72

9,10

23

X401

CRYSTAL

MN102L25GCX

7

13.5MHz

CPU DATAS

IC505

16M SDRAM

D4516161AG5-A10

(KM416S1020CTG10)

IC504

16M SDRAM

D4516161AG5-A10

(KM416S1020CTG10)

CSDEC

CPU DATAS

IC402

16M ROM

MSM531622F67G

CN501

(MN4SV17160BT-10)

(MN4SV17160BT-10)

D3.3V

D5V

652

POWER ON

M9V

8

DIGITAL 5V

POWER ON

FE1, 2

TE1~4,

TO

T+, T-

CN12

PICK-UP

UNIT

F+, F-

SDM1~3

H3+/-

H1+/-, H2+/-,

TO

FEED

MOTOR

STMA, B

STMNA, B

CN13

SPINDLE

MOTOR

TRVSW

LVA10046

MOTOR

LOADING

OPEN/

CLOSE SW.

WA914 OF

FROM / TO

DIGITAL 3.3V

LVA10109-A7

(Power Supply)

MOTOR DRIVE 9V

2

Block diagrams (Power supply Section)

FROM/TO

CN807 OF

LVA10108-A1

(SYSTEM)

FROM/TO

CN808 OF

LVA10108-A1

(SYSTEM)

FROM/TO

CN501 OF

LVA10047

TH-A10

(DVD SERVO)

1F1

CN913

2F2

3 -VPP

FL ON/OFF

6 D5V

7 AM BEATAM BEAT

Q913, Q914

-VPP REG.

Q911, Q912

8B5V

CN914

Q915

2 PMUTE

4 -12V

D931, D932

MUTE DETECT

Q931, C931, C932

D927

-12V REG.

Q923, Q924

6 +12V

7 INH(PONH)

8 SYSPON

+12V REG.

Q921, Q922

Q932

SYSPON

B5V REG.

D947, D948

Q942, Q943

WA914

D5V REG.

44

7

8

46

B5V7DV5 V6DV3 V

DVDON
8

DV5V ON/OFF

Q944-Q946

D949, D950

13

OUT2

+IN1(E)

-IN1(C)

OUT1

5

Q954, Q955

DV3.3V REG.

12

-IN2(C)

+IN2(E)

IC941

SW REG. CTL

M9V
2

Q947-Q948

D951, D952

24

40

OUT3

25

-IN3(C)

+IN3(E)

MB3785APFV

+IN4(E)

-IN4(C)

39 29 30

OUT4

-9V REG.
Q950-Q952

D953, D954

LVA10108-A7

C911

AC-DC

D911, D913

CN911

(PIN1-3)

FW901

LVA10109-A8

C927

AC-DC

D923, D924

1234567

1

23456

T901

QQT0296-002

TRANFORMER

AC IN

CTL2

21

SYSPON

CTL3

22

CTL1

C928

AC-DC

D921, D922

CN912

(PIN4-7)

7

20

AC-DC

D941

RT

16

Q956

D3SBA20-S3

AM BEAT

3