AOC LE42H057D Service Manual

42"&46"LCD TV
Service
Service
Service
Description
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
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

Table of Contents

Page Description
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
1
AOC LE42(46)H057D
Horizontal Frequency
31~68 KHz
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