42
″
&46
″
LCD TV AOC LE42(46)H057D
1
Service
Service
Service
Horizontal Frequency
31~68 KHz
Table of Contents
Description
Page
Table of Contents………………………………………....1
Important Safety Notice……………………………….…2
Revision List…………………………………..…….……3
1. General Specification...............................…….......4
2. Operating Instructions..............................................6
2.1. The Front Control Panel………..............................6
2.2. Connections……………………..............................7
2.3. Remote Control...................................................8
2.4. Instructions for Use..............................................9
2.5. Visualization Menu...............................................18
3. Input /Output Specification..........……………........20
3.1. Input Signal Connector............……....................20
3.2. Factory Preset Display Modes….........................21
4. Mechanical Instruction…………….………….….....22
5. Repair Flow Chart................................................30
6. PCB Layout...……..............................................37
6.1. Main Board….......................................................37
Description Page
6.2. Power Board…....................................................41
6.3. Key Board…........................................................47
6.4. IR Board………....................................................47
6.5. MEMC Board.......…..........................................48
7. Adjustment.....….....................................................50
7.1 White Balance Adjustment…………………………50
7.2. Firmware Instructions .........................................52
7.3. DDC Instructions……..........................................55
8. Block Diagram….....................................................56
9. Schematic Diagram...……......................................57
9.1. Main Board…………............................................57
9.2. Power Board……….............................................72
9.3. Key Board…........................................................84
9.4. IR Board…...........................................................85
9.5. MEMC Board…...................................................86
10. Exploded View…..................................................92
11. BOM List……….………….………………..............96
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Summary of Contents for LE42H057D
Page 4: ...4 1 General Specification ...
Page 5: ...5 ...
Page 6: ...6 2 Operating Instructions 2 1 The Front Control Panel ...
Page 7: ...7 2 2 Connections ...
Page 8: ...8 2 3 Remote Control ...
Page 9: ...9 2 4 Instructions for Use ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 ...
Page 18: ...18 2 5 Visualization Menu ...
Page 19: ...19 ...
Page 21: ...21 3 2 Factory Preset Display Modes ...
Page 24: ...24 5 Remove all the connectors 6 Remove the speakers ...
Page 27: ...27 5 Remove all the connectors 6 Remove the speakers ...
Page 29: ...29 9 Remove the LVDS cables from the panel 10 The bezel ...
Page 37: ...37 6 PCB Layout 6 1 Main Board 715G4243M01000005F ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...41 6 2Power Board 715G3899P02L30003H ...
Page 42: ...42 ...
Page 43: ...43 ...
Page 44: ...44 715G3906P02L30003H ...
Page 45: ...45 ...
Page 46: ...46 ...
Page 47: ...47 6 3 Key Board 715G3852K0C001004S 6 4IR Board 715G4086R01001005F ...
Page 48: ...48 6 5 MEMC Board 715G4242M01000005K ...
Page 49: ...49 ...
Page 92: ...92 10 Exploded View LE42H057D ...
Page 94: ...94 LE46H057D ...