Sharp AQUOS LC-42AD5E Service Manual Download

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SERVICE MANUAL

LC-42AD5E/RU/S

Parts marked with "

" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the

safety and performance of the set.

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................i
Precautions for using lead-free solder ...............ii

CHAPTER 1. OPERATION MANUAL

[1] SPECIFICATIONS ......................................... 1-1
[2] OPERATION

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

[3] DIMENSIONS ................................................ 1-7

CHAPTER 2. REMOVING OF MAJOR PARTS

[1] REMOVING OF MAJOR PARTS ................... 2-1

CHAPTER 3. ADJUSTMENT PROCEDURE

[1] After replacement of any PWB and/or IC for

repair, note the following. ............................... 3-1

[2] SOFTWARE

UPDATING................................ 3-1

[3] Entering and exiting the adjustment pro-

cess mode.................................................... 3-16

[4] Remote controller key operation and de-

scription of display in adjustment process
mode. ........................................................... 3-16

[5] Adjustment

process mode menu.................. 3-17

[6] Special

features............................................ 3-18

[7] Video

signal

adjustment procedure.............. 3-19

[8] White

Balance

Adjustment ........................... 3-20

[9]  Initialization to factory settings ..................... 3-21
[10]  Lamp error detection .................................... 3-21
[11]  Public Mode (Hotel Mode)............................ 3-22

CHAPTER 4. TROUBLESHOOTING TABLE

[1] TROBLESHOOTING

TABLE .........................4-1

CHAPTER 5. MAJOR IC INFORMATIONS

[1] MAJOR

INFORMATIONS .........................5-1

CHAPTER 6. OVERALL WIRING DIAGRAM/BLOCK
DIAGRAM

[1]  OVERALL WIRING DIAGRAM......................6-1
[2]  SYSTEM BLOCK DIAGRAM.........................6-2
[3]  MAIN BLOCK DIAGRAM...............................6-3
[4]  POWER BLOCK DIAGRAM ..........................6-4

CHAPTER 7. PRINTED WIRING BOARD

[1]  MAIN UNIT PRINTED WIRING BOARD........7-1
[2]  AV UNIT PRINTED WIRING BOARD............7-5
[3]  DIGITAL UNIT PRINTED WIRING BOARD

........7-8

[4] D-TUNER UNIT/KEY UNIT PRINTED

WIRING BOARD .........................................7-12

[5] R/C, LED UNIT PRINTED WIRING

BOARD........................................................7-13

[6] POWER UNIT PRINTED WIRING BOARD

......7-14

CHAPTER 8. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIA-

GRAM............................................................8-1

[2] SCHEMATIC

DIAGRAM ................................8-2

Parts Guide

CONTENTS

No. S87O9LC42AD5E

LCD COLOUR TELEVISION

LC-42AD5E/RU/S

MODELS

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.