LC-42SB45U
1
SERVICE MANUAL
No S88T1LC42SB45
LCD COLOUR TELEVISION
MODEL
LC-42SB45U
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.
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 ......................................................................
2
Precautions for using lead-free solder .............
.............
3
CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS ...............................................
4
[2] OPERATION MANUAL ........................................
5
[3] DIMENSIONS ......................................................
11
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ........................
12
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE .............................
17
[2]CSM
MODE...............
..........................................
27
[3]FACTORY
MODE.................................................
28
[4]SOFTWARE
UPGRADE
PRODUCE...................
28
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE.............................
33
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS...............................
40
[2]MAJORICINFORMATION................................. ....
40
[
3
] DETAILICsINFORMATION ..................................
49
CONTENTS
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] MT5382 POWER MANAGEMENT BLOCK
DIAGRAM .................
........................... ......... 56
[2] MAIN BOARD BLOCK DIAGRAM .................. 57
[3] WIRIGN DIAGRAM......................................... 58
CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINT WIRING BOARD.........
..
.......59
[2] POWER UNIT PRINT WIRING BOARD ...............61
[3] KEY UNIT PRINTED WIRINGBOARD........
..
..... 63
[4] IR UNIT PRINTED WIRING BOARD ...........
..
.....64
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIGRAM ................................65
[2] POWER SCHEMATIC DIGRAM ............................79
[3] KEY SCHEMATIC DIGRAM......
......
......
......
........80
[4] IR SCHEMATIC DIGRAM......
......
......
......
......
.....81
CHAPTER 9. PARTS GAUILD
[1] SPARE PARTS LIST...
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.... ...
......
.... ...
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....82
[2] CABINET PARTS ............................... ...
......
.... ...
108
[3] SUPPLIED ACCESSORIES...
......
.... ...
......
.... ...
.109
[4] PACKING PARTS...
......
.... ...
......
.... ...
......
.... ...
.110
Summary of Contents for AQUOS LC-42SB45U
Page 6: ...LC 42SB45U 6 TV Front view TV Rear view ...
Page 11: ...2008 03 14 LC 42SB45U 11 3 DIMENSIONS ...
Page 50: ...LC 42SB45U 50 3 2 U102 LP2996MRX PSOP 8 3 2 1 Pin Connections and short description ...
Page 54: ...LC 42SB45U 54 3 8 U402 MX25L3205DMI 12G SOP 16 3 8 1 Block Diagram ...
Page 55: ...2008 03 14 LC 42SB45U 55 3 8 2 PIN CONFIGURATION ...
Page 56: ...LC 42SB45U 56 CHAPTER 6 BLOCK DIAGRAM WIRING DIAGRAM 1 MT5382 POWER MAGAGEMENT BLOCK DIAGRAM ...
Page 57: ...2008 03 14 LC 42SB45U 57 2 MAIN BOARD BLOCK DIAGRAM ...
Page 58: ...LC 42SB45U 58 3 WIRING DIAGRAM ...
Page 60: ...60 LC 42SB45U MAIN Unit Side B ...
Page 61: ...LC 42SB45U 1 POWER UNIT PRINTED WIRING BOARD POWER Unit Side A 61 ...
Page 62: ...LC 42SB45U POWER Unit Side B 62 ...
Page 64: ...64 LC 42SB45U IR Unit Side A 3 IR UNIT PRINTED WIRING BOARD IR Unit Side A Cn001 A2 ...