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 ...............................................................................................................6
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ................................................................................................................14
[2] SERVICE MODE.....................................................................................................................................19
[3] SOFTWARE UPGRADE PROCEDURE .....................................................................................................20
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE......................................................................................................................... 21
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS ........................................................................................................................37
CHAPTER 6.
BLOCK DIAGRAM/WIRING DIAGRAM
[1] BLOCK DIAGRAM ................................................................................................................................ ….. 41
[2] POWER MANAGEMENT BLOCK DIAGRAM .................................................................................................... 42
[3] WIRING DIAGRAM .......................................................................................................................................... 42
CHAPTER 7.
PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD .......................................................................................................... 43
[2] POWER UNIT PRINTED WIRING BOARD ....................................................................................................... 45
[3] KEY UNIT PRINTED WIRING BOARD ............................................................................................................. 47
[4] IR UNIT PRINTED WIRING BOARD................................................................................................................. 47
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIAGRAM ............................................................................................................................... 48
[2] POWER SCHEMATIC DIAGRAM ......................................................................................................................... 58
[3] KEY SCHEMATIC DIAGRAM................................................................................................................................. 64
[4] IR SCHEMATIC DIAGRAM .................................................................................................................................... 64
CHAPTER 9. Parts Guide
[1]SPARE PARTS LIST
.............................................................................................................................................. 65
[1] CABINET PARTS ................................................................................................................................................... 67
[2] SUPPLIED ACCESSORIES ................................................................................................................................... 69
[3] PACKING PARTS................................................................................................................................................... 70
Summary of Contents for LC-32LE440U
Page 1: ...SERVICE MANUAL LCD COLOR TELEVISION MODEL LC 32LE440U ...
Page 3: ...2 ...
Page 4: ...3 ...
Page 6: ... 2 DIMENSIONS 5 ...
Page 10: ...9 1 Remove the 5 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 Fig 9 ...
Page 45: ...44 BOTTOM ...
Page 46: ...45 2 POWER SCHEMATIC DIAGRAM POWER BOARD WITH TOP BOTTOM VIEW Top Layer ...
Page 47: ...46 Bottom Layer ...
Page 48: ...47 3 KEY UNIT PRINTED WIRING BOARD 4 IR UNIT PRINTED WIRING BOARD ...
Page 49: ...48 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 01 System POWER ...
Page 50: ...49 02 MT5389 ...
Page 51: ...50 03 DDR3 DRAM Flash ...
Page 52: ...51 04 Peripheral IR Keypad ESD ...
Page 53: ...52 05 HDMI ...
Page 54: ...53 06 VGA RS 232 USB ...
Page 55: ...54 07 YPbPr ...
Page 56: ...55 08 Audio amp ...
Page 57: ...56 09 Headphone line out SPDIF ...
Page 58: ...57 10 LVDS 11 Tuner ...
Page 68: ......
Page 71: ...70 4 PACKING PARTS ...
Page 73: ...72 ...