Service Manual ASUS VW224U&VW224S
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…………….…...........................…......................................................................9
3. Input/Output Specification............……………..........................................................................12
3.1. Input Signal Connector............…………...........................................................................12
3.2. Power Supply Requirements............................................................................................ 12
3.3. Factory Preset Display Modes…….................................................................................. 14
4. Block Diagram…..….....................………….............................................................................15
5. Schematic Diagram……………………....…............................................................................ 20
5.1. Main Board……….............................................................................................................20
5.2. Power Board...…….......................................................................................................... 28
5.3. Audio Board...……....................................................................................................... ….30
5.4. Key Board…………….......................................................................................................31
6. PCB Layout...………................................................................................................................32
6.1. Main Board……….............................................................................................................32
6.2. Power Board…................................................................................................................. 35
6.3. Audio Board…...................................................................................................................38
6.4. Key Board……………................................... ...................................................................38
7. Disassemble & Assemble SOP.……………….. ............................................................... …..39
8. ISP Instruction………..............................................................................................................59
9. DDC Instruction…………………………........... .......................................................................62
10. Color/White Balance Adjustment……………........................................................................ 71
11. Trouble Shooting……………………….................................................................................. 73
12. Exploded View…..……………………..... ......................................................................... .....79
13. BOM List………………………………….............................................................................. 80
14. Different Parts List...............................................................................................................109
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