AOC Vizio E422VA Service Manual

42"LCD TV
Service
Service
Service
Description
Table of Contents.........................................................1
Important Safety Notice..................................................2
Revision List.........................................................3
1. General Specification..................................................4
2. Operating Instructions...........................................5
2.1 The Use Of Remote Control...................................5
2.2 To Use The Menu.................................................6
2.3 How To Connect.................................................20
2.4 Front Panel Control Knobs...................................21
3. Input/Output Specification.........................................22
3.1 RGB Signal input..................................................22
3.2 HDMI Digital connector pin assignments................22
3.3 Compatible Mode Table...........................................23
4. Mechanical Instructions..........................................24
5. Repair Flow Chart ...............................................27
6. PCB Layout .........................................................34
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
6.1 Main Board....................................................34
6.2 Power Board................................................38
6.3 Key Board....................................................44
6.4 IR Board....................................................44
7. Adjustment..........................................................45
7.1 White Balance Adjustment.............................45
7.2 Firmware Instruction....................................46
7.3 DDC Instruction..........................................49
8. Block Diagram....................................................53
9. Schematic Diagram........................................54
9.1 Main Board................................................54
9.2 Power Board..............................................70
9.3 Key Board.................................................73
9.4 IR Board....................................................74
10. Exploded View.............................................75
11. BOM List.....................................................77
SAFETY NOTICE
1
Vizio E422VA
Horizontal Frequency
31.469~66.587 kHz
Page