JVC lt23x475 schematic

SCHEMATIC DIAGRAMS

LCD FLAT TELEVISION

LT-23X475

CD-ROM No. SML200409

No.YA036

2004/9

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LT-23X475 STANDARD CIRCUIT DIAGRAMS

CONTENTS

USING P.W. BOARD

SEMICONDUCTOR

..................................................................................................................................................................... 2-1

BLOCK DIAGRAM

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM .............................................................................................................................................................. 2- 3

IR SENSOR PWB CIRCUIT DIAGRAM ................................................................................................................................................. 2-33

AV JACK PWB CIRCUIT DIAGRAM .................................................................................................................................................... 2-35

FRONT CONTROL PWB CIRCUIT DIAGRAM ...................................................................................................................................... 2-36

TUNER PWB CIRCUIT DIAGRAM ........................................................................................................................................................ 2-36

PATTERN DIAGRAMS

MAIN PWB PATTERN .......................................................................................................................................................................... 2-37

IR SENEOR PWB PATTERN ................................................................................................................................................................. 2-39

AV JACK PWB PATTERN .................................................................................................................................................................... 2-39

FRONT CONTROL PWB PATTERN ...................................................................................................................................................... 2-39

TUNER PWB PATTERN ........................................................................................................................................................................ 2-39

......................................................................................................................................................................... 2-2

................................................................................................................................................................... 2-3

............................................................................................................................................................. 2-37

USING P.W. BOARD

MAIN P.W. BOARD DA-5097631902 (PWB-0692-1)

IR SENSOR P.W. BOARD DA-5097631902 (PWB-0692-2)

AV JACK P.W. BOARD DA-5098800731 (PWB-0693-1)

FRONT CONTROL P.W. BOARD DA-5098800732 (PWB-0693-2)

TUNER P.W. BOARD DA-5098800733 (PWB-0693-3)

SEMICONDUCTOR SHAPES

TRANSISTOR

BOTTOM V IEW

E C

FRONT V I EW

B

ECB

BCE

(G)(D)(S )

ECB

TOP VIEW

CHIP TR

BE

C

IC

BOT TO M V IEW FR ON T VI EW T OP V I EW

OUT

E

IN

IN OUTE

1 N

CHIP IC

TOP VIEW

1

N

2-1

N

1

N

No. YA036

1

N

BLOCK DIAGRAM

P603

(Speaker)

FRONT

(Headphone)

P604

P604P602

(TPA1517)

Audio amp

CONTROL

P015 P016 P017

Audio Out

PWB

Port B

24bit

P008P005

LCD PANEL

LVDS I/F

Sync

INVERTER

P007 P003

(DS90CF383)

Scaler

(TP6760)

8bit

Port V

24bit

P002

Port A

PWB

IR SENSOR

P601

MCU

(W78E65)

PROM

2

E

(MSP3440G)

Audio Processor

&

CV Audio

MTS

TV

(Video)

TV

(Audio)

P001

P012

TUNER PWB

AV/SV Audio

PC Audio

ADC

(PI5V330)

CV

AV

P006

P020

De-

(AD9883A-110)

(Z86129)

V-Chip&C.C.

SV

AV

JACK

Macrovision

Y/C Sepa.

(TC90A65F)

AV

SV

CV

PWB

(PI5V330)

De-Interlace

Video decoder

(SiI504)

(SAA7118)

ADC

(AD9883A-110)

PJ01

VGA

24V

5V

24V

3.3V

2.5V

1.8V

Power

Supply

P020

AC

Adapter

50/60Hz

110/220V

MAIN PWB

No. YA036

2-2

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/15)

No. YA0362-3

Power save

Sheet 2,7,11,12,13

MAIN PWB ASS'Y (1/15)

No. YA036

2-4

MAIN PWB CIRCUIT DIAGRAM (2/15)

Sheet 3,4,6,7,8,9,10,13

Sheet 11

Sheet 4

FRONT CONTROL PWB P602

MPU

IR SENSOR PWB P601

No. YA0362-5

Sheet 9,10,11

Sheet 15

Sheet 11

Sheet 14

Sheet 1,7,11,12,13

Sheet 8,10

Sheet 11

MAIN PWB ASS'Y (2/15)

No. YA036

2-6

S

MAIN PWB CIRCUIT DIAGRAM (3/15)

TUNER PWB P012

No. YA0362-7

Sheet 2,3,4,6,8,9,10,13

MAIN PWB ASS'Y (3/15)

No. YA036

2-8

MAIN PWB CIRCUIT DIAGRAM (4/15)

Sheet 11

No. YA0362-9

Sheet 2,3,4,6,7,8,9,10,13

A/D CONVERTER

Sheet 12

Sheet 2,3,4,6,7,8,9,10,13

Sheet 11

Sheet 2

Sheet 11

No. YA036

MAIN PWB ASS'Y (4/15)

2-10

MAIN PWB CIRCUIT DIAGRAM (5/15)

AV JACK PWB P020

No. YA0362-11