Service Manual ASUS VH236H&VH232H
2
Index
Revision Lists………………………………….............................................................................. 3
Important Safety Notice…………………………………………………………………………………..4
1. Monitor Specification..............................……….........................................................................5
2. Operation Instruction…………………………………………………………………………………..6
2.1. General Instructions...........................…............................................................................ 6
2.2.Control Button…………….…..............……......................................................................... 6
2.3.OSD Menu…………….…...........................…......................................................................8
3. Input/Output Specification............……………..........................................................................11
3.1. Input Signal Connector............…………............................................................................11
3.2. Power Supply Requirements............................................................................................ 12
3.3. Factory Preset Display Modes…….................................................................................. 13
4. Block Diagram…..….....................………….............................................................................15
4.1.Software Flow Chat..........................................................................................15
4.2 Electircal Block Diagram........................................................................................................17
5. Schematic Diagram……………………....…............................................................................ 19
5.1. Main Board……….............................................................................................................19
5.2. Power Board...…….......................................................................................................... 26
5.3. Key Board…………….......................................................................................................28
6. PCB Layout...………................................................................................................................29
6.1. Main Board………............................................................................................................29
6.2. Power Board…................................................................................................................. 31
6.3. Key Board……………................................... ...................................................................33
7. Disassemble & Assemble SOP.……………….. ............................................................... …..34
8. ISP Instruction………..............................................................................................................52
9. DDC Instruction…………………………........... .......................................................................50
10. Color/White Balance Adjustment……………........................................................................ 71
11. Trouble Shooting……………………….................................................................................. 73
12. Exploded View…..……………………..... ......................................................................... .....79
13. BOM List………………………………….............................................................................. 80
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