Sharp Aquos LC-42X20E, Service Manual

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SERVICE MANUAL
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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
PRECAUTION.....................................................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
(LC-32X20E/S/RU)......................................... 2-1
[2] REMOVING OF MAJOR PARTS
(LC-37X20E/S/RU)....................................... 2-11
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ....................... 3-1
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE....................... 4-1
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS.......................... 5-1
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] SYSTEM BLOCK DIAGRAM ......................... 6-1
[2] TERMINAL BLOCK DIAGRAM .....................6-2
[3] MAIN BLOCK DIAGRAM...............................6-3
[4] POWER BLOCK DIAGRAM ..........................6-4
[5] WIRING
DIAGRAM (LC-32X20E/S/RU)........6-5
[6] WIRING DIAGRAM (LC-37X20E/S/RU)........6-6
CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD........7-1
[2] TERMINAL UNIT PRINTED WIRING
BOARD..........................................................7-5
[3] R/C, LED UNIT PRINTED WIRING
BOARD..........................................................7-8
[4] KEY UNIT PRINTED WIRING BOARD .........7-8
[5] MINI AV UNIT PRINTED WIRING
BOARD..........................................................7-9
[6] POWER UNIT PRINTED WIRING
BOARD........................................................ 7-11
CHAPTER 8. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC
DIAGRAM......................................................8-1
[2] SCHEMATIC DIAGRAM ................................8-2
Parts Guide
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CONTENTS
No. S97S9LC32X20E
LC-32X20E/S/RU, LC-37X20E/S/RU
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.
LCD COLOUR TELEVISION
LC-32X20E/S/RU
LC-37X20E/S/RU
MODELS