Sharp LC-50LE442U Service Manual

1
CONTENTS
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION ............................................................................. ………………………2
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................................................................................................................... 4
[2] DIMENSIONS ................................................................................................................................................. 5
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ............................................................................................................... 8
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ................................................................................................................ 24
[2] SERVICE MODE ..................................................................................................................................... 29
[3] FACTORY MODE AUTOMATION BEHAVIOR ............................................................................................ 30
[4] SOFTWARE UPGRADE PROCEDURE ..................................................................................................... 30
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ......................................................................................................................... 31
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS ........................................................................................................................ 47
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] BLOCK DIAGRAM ................................................................................................................................ ….. 51
[2] POWER MANAGEMENT BLOCK DIAGRAM .................................................................................................... 52
[3] WIRING DIAGRAM .......................................................................................................................................... 53
CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD .......................................................................................................... 54
[2] POWER UNIT PRINTED WIRING BOARD ....................................................................................................... 56
[3] KEY UNIT PRINTED WIRING BOARD ............................................................................................................. 58
[4] IR UNIT PRINTED WIRING BOARD ................................................................................................................. 58
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIAGRAM ............................................................................................................................... 59
[2] POWER SCHEMATIC DIAGRAM ......................................................................................................................... 69
[3] KEY SCHEMATIC DIAGRAM ................................................................................................................................. 73
[4] IR SCHEMATIC DIAGRAM .................................................................................................................................... 73
CHAPTER 9. Parts Guide
[1]SPARE PARTS LIST .............................................................................................................................................. 74
[1] CABINET PARTS ................................................................................................................................................... 80
[2] SUPPLIED ACCESSORIES ................................................................................................................................... 84
[3] PACKING PARTS .......................................................................... 85

Sharp LC-50LE442U Specifications

General

Brand	Sharp
Model	LC-50LE442U
Category	LED TV
Language	English