JVC lt23x475 schematic

SCHEMATIC DIAGRAMS

LCD FLAT TELEVISION

LT-23X475

CD-ROM No. SML200409

No.YA036

2004/9

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Happy Repairing!!

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This eBook will show you how to test the electronic component correctly and accurately. Some of you may say that I don’t need this eBook because it is too simple! Do you know that, there is lots of testing electronic components secrets I have learned from this guide? Do you know how to test a‘TRIAC’ correctly and accurately? If you answer no then I guess you have to get this EBook. Click Here to read more.

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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

Sheet 8,9

Sheet 9

Sheet 6,9

Sheet 13

MAIN PWB ASS'Y (5/15)

No. YA036

2-12

MAIN PWB CIRCUIT DIAGRAM (6/15)

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

Sheet 5,9

Sheet 11

NOTE: The circuit block in the bold line is included in the MAIN PWB circuit block. The service parts of the MAIN PWB is available including this circuit block.

Sheet 5,9

Sheet 9

No. YA0362-13

A/D CONVERTER

Sheet 11

MAIN PWB ASS'Y (6/15)

Sheet 15

Sheet 11

No. YA036

2-14

d

a

MAIN PWB CIRCUIT DIAGRAM (7/15)

Sheet 9

NOTE: The circuit block in the bold line is include The service parts of the MAIN PWB is avail

Sheet 2,8

Sheet 8

Y/C SEP.

No. YA0362-15

is included in the MAIN PWB circuit block.

B is available including this circuit block.

Y/C SEP.

Sheet 2,3,4,6,7,8,9,10,12,13

No. YA036

MAIN PWB ASS'Y (7/15)

2-16

MAIN PWB CIRCUIT DIAGRAM (8/15)

Sheet 5

Sheet 2,7

Sheet 2,3,4,6,7,9,10,12,13

Sheet 9

No. YA0362-17

V-Chip, CC

Sheet 9

Sheet 7

MAIN PWB ASS'Y (8/15)

No. YA036

2-18

R

MAIN PWB CIRCUIT DIAGRAM (9/15)

Sheet 5,8

Sheet 8

Sheet 5

Sheet 7

Sheet 8

VIDEO DECODE

COMB FILTER

Sheet 5,6

Sheet 8

No. YA0362-19

EO DECODER OMB FILTER

Sheet 10,11

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

Sheet 8

No. YA036

Sheet 10,11

MAIN PWB ASS'Y (9/15)

2-20

MAIN PWB CIRCUIT DIAGRAM (10/15)

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

Sheet 2,9,11

Sheet 9,11

De -Interlace

Sheet 9,11

Sheet 2,8

No. YA0362-21

Sheet 11

No. YA036

MAIN PWB ASS'Y (10/15)

2-22

MAIN PWB CIRCUIT DIAGRAM (11/15)

Sheet 2,9,10

Sheet 2

Sheet 15

Sheet 6

Sheet 9,10

Sheet 4

Sheet 10

Sheet 2,5,7,10,13,14

Sheet 4

Sheet 9,10

Sheet 2

Sheet 6

PC

MAIN

Sheet 4

SCALER

Sheet 6

Sheet 4

No. YA0362-23

Sheet 12

No. YA036

Sheet 12

MAIN PWB ASS'Y (11/15)

2-24

MAIN PWB CIRCUIT DIAGRAM (12/15)

Sheet 11

INVERTER

Sheet 11

LVDS

No. YA0362-25

Sheet 11

Sheet 1,2,7,11,12,13

LCD PANEL

LVDS DECODER

MAIN PWB ASS'Y (12/15)

No. YA036

2-26

MAIN PWB CIRCUIT DIAGRAM (13/15)

Sheet 5

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

Sheet 5

Sheet 1,7,11,12

MTS

No. YA0362-27

MTS

Sheet 14

MAIN PWB ASS'Y (13/15)

No. YA036

2-28

MAIN PWB CIRCUIT DIAGRAM (14/15)

Sheet 2

Sheet 13

AUDIO AMP

No. YA0362-29

FRONT CONTROL PWB P604

MAIN PWB ASS'Y (14/15)

No. YA036

2-30

MAIN PWB CIRCUIT DIAGRAM (15/15)

Sheet 6

Sheet 2

No. YA0362-31

Sheet 2

Sheet 11

MAIN PWB ASS'Y (15/15)

No. YA036

2-32

IR SENSOR PWB CIRCUIT DIAGRAM

MAIN PWB (2/15) P003

No. YA0362-33

IR SENSOR PWB ASS'Y

No. YA036

2-34

R

1

B

AV JACK PWB/ FRONT CONTROL PWB/ TUNER PWB CIRCUIT DIAGRAMS

AV JACK PWB ASS'Y

MAIN PWB (5/15) P006

C024

330P

C026

GND-IN

330P

C034

GND-IN

330P

C032

C033

330P

C025

GND-IN

330P

MAIN PWB (3/15) P00

C029

C027

C028

330P

C030

330P

C031

330P

MAIN PW P002

F

No. YA0362-35

ANTENNA

TUNER PWB ASS'Y

RT03

0(NC)

RT05

0

5V_TUNER

MAIN PWB (3/15) P001

ANT

UT01

FQ1236

RT04

CT07

0

NC

CT04

CT02

CT05

1000P(NC)

0.1uF

1K (NC)

CT01

RT07

100uF/16V

RT08

0

RT06

0

CT08

47P (NC)

100UH

HH-1M2012-300(NC)

CT09

100uF/16V

27UH(NC)

LT10

100UH

CT10

47P(NC)

CT06

CT03

47P(NC)

5V_TUNER

100uF/16V

SPEAKERS

MAIN PWB (14/15) P005

MAIN PWB (2/15) P002

FRONT CONTROL PWB ASS'Y

No. YA036

2-36

PATTERN DIAGRAMS

MAIN PWB PATTERN

No. YA0362-37

TOP

No. YA036

2-38

IR SENSOR PWB PATTERN

AV JACK PWB PATTERN

FRONT CONTROL PWB PATTERN

TUNER PWB PATTERN

No. YA0362-39

Victor Company of Japan, Limited

AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan

(No. YA036)

Printed in Japan

WPC

If you need more information on Computer and Electronic Repair, please visit these

in fact

websites to improve yourself.

http://www.fastrepairguide.com http://www.protech2u.com http://www.plasma-television-repair.com http://www.lcd-television-repair.com

Happy Repairing!!

Highly Recommended Repair Ebook:

If you’re a LCD Monitor repairer, then this is the best guide for you. Why? Because, the author revealed all his LCD Monitor Repairing secrets for you. I think, with just few Repair tips you learned from this guide you will get back your investment! Click Here to read more.

This eBook will show you how to test the electronic component correctly and accurately. Some of you may say that I don’t need this eBook because it is too simple! Do you know that, there is lots of testing electronic components secrets I have learned from this guide? Do you know how to test a‘TRIAC’ correctly and accurately? If you answer no then I guess you have to get this EBook. Click Here to read more.

Are you tired of searching the service manuals to look for the value of a burnt resistor? If the answer is YES, then this eBook is a ‘must have’ guide for you. You can save a lot of time and be able to repair customer’s Electronic equipment with burnt resistors in it. Click here to read more.

JVC lt23x475 schematic

Specifications and Main Features

Frequently Asked Questions

User Manual