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
Содержание LC-50LE442U
Страница 1: ...SERVICE MANUAL LED COLOR TELEVISION MODEL LC 50LE442U ...
Страница 3: ...2 ...
Страница 4: ...3 ...
Страница 5: ...4 CHAPTER 1 OPERATION MANUAL 1 SPECIFICATIONS ...
Страница 7: ...6 50 400 400mm Metric 8 14mm Setting the TV on the wall LC 50LE442U ...
Страница 44: ...43 3 WIRING DIAGRAM ...
Страница 45: ...44 CHAPTER 7 PRINTED WIRING DIAGRAM 1 MAIN UNIT PRINTED WIRING BOARD TOP LC 50LE442U ...
Страница 46: ...45 BOTTOM LC 50LE442U ...
Страница 47: ...46 2 POWER UNIT PRINTED WIRING BOARD Top Layer ...
Страница 48: ...47 Bottom Layer ...
Страница 49: ...48 3 KEY UNIT PRINTED WIRING BOARD 4 IR UNIT PRINTED WIRING BOARD ...
Страница 50: ...49 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 01 System POWER ...
Страница 51: ...50 02 MT5389 ...
Страница 52: ...51 03 DDR3 DRAM Flash ...
Страница 53: ...52 04 Peripheral IR Keypad ESD ...
Страница 54: ...53 05 HDMI ...
Страница 55: ...54 06 VGA RS 232 USB ...
Страница 56: ...55 07 YPbPr ...
Страница 57: ...56 08 Audio amp ...
Страница 58: ...57 09 Headphone line out SPDIF ...
Страница 59: ...58 10 LVDS 11 Tuner ...
Страница 61: ...60 2 Standby Control DC DC ACD Circuit fig 8 Fig 8 Fig 9 ...
Страница 68: ...67 2 CABINET PARTS LC 50LE442U ...
Страница 69: ...68 ...
Страница 71: ...70 4 PACKING PARTS LC 50LE442U ...