AOC i2252VW, Service Manual

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Service Manual AOCi2252VW
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CONTENTS
1. LCD Specifications ................................................................................................................................... 4
1.1 Product Features ............................................................................................................................... 4
1.2 Factory preset modes ........................................................................................................................ 5
1.3 New Features ..................................................................................................................................... 5
1.4 VGA 15pin Connector ........................................................................................................................ 6
1.5 DVI Connector ................................................................................................................................... 6
2. Operation instruction ................................................................................................................................ 7
2.1 Connection ......................................................................................................................................... 7
2.2 Control Buttons .................................................................................................................................. 7
2.3 OSD User mode adjustment .............................................................................................................. 8
2.4 OSD Locked ..................................................................................................................................... 12
3. Panel Feature ........................................................................................................................................ 13
3.1 General Specifications ..................................................................................................................... 13
3.2 Electrical Absolute Ratings .............................................................................................................. 13
3.3 Electrical Characteristics ................................................................................................................. 14
3.4 TFT LCD Module Block Diagram ..................................................................................................... 14
3.5 LCD module input terminal pin assignment .................................................................................... 15
3.6 LED connector Interface .................................................................................................................. 15
4.Block Diagram ......................................................................................................................................... 16
4.1 LCD Block Diagram ......................................................................................................................... 16
4.2 MainBoard Block Diagram ............................................................................................................... 16
4.3 Power Board Block Diagram ........................................................................................................... 17
4.4 Software Flow Chart ........................................................................................................................ 18
5. Circuit Schematic ................................................................................................................................... 19
5.1 Main Board 715G4502M01 ............................................................................................................. 19
5.2 Power Board 715G4750-P02 .......................................................................................................... 26
5.3 Converter Board 715G4013-P02 ..................................................................................................... 27
5.4 Key Board 715G4851k .................................................................................................................... 28
6. Monitor exploded view ........................................................................................................................... 29
7. PCB Layout ............................................................................................................................................ 30
7.1 MainBoard 715G4502 ...................................................................................................................... 30
7.2 PowerBoard 715G4750-P02 ........................................................................................................... 32
7.3 Converter Board 1-715G4013P02 ................................................................................................... 33
7.4 KeyBoard715G4851 ........................................................................................................................ 34
8. Maintenance .......................................................................................................................................... 35
8.1 Maintainability Requirement ............................................................................................................ 35
8.2 Disassembly SOP ............................................................................................................................ 35
8.3 Trouble Shooting .............................................................................................................................. 38
8.4 Software update step ....................................................................................................................... 43
8.5 Re-Writing DDC program step ......................................................................................................... 49
8.6 Factory mode adjustment ................................................................................................................ 52
9.BOM List ................................................................................................................................................. 54
9.1 Model
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TIBGN22YAYA1HNJ .......................................................................................................... 54