AOC LM927U - Table of Contents

AOC LM927U
2
Table of Content
Revision List……………………………………………………………………………………………………. 3
1. Monitor Specifications…………………………………………………………………………………….. 4
2. LCD Monitor Description………………………………………………………………………………….. 5
3. Operating Instructions…………………………………………………………………………………….. 6
3.1 General Instructions……………………………………………………………………………………... 6
3.2 Control Buttons…………………………………………………………………………………………... 6
3.3 Adjusting the Picture……………………………………………………………………………………….. 7
4. Input/Output Specification………………………………………………………………………………... 9
4.1 Input Signal Connector………………………………………………………………………………….. 9
4.2 Factory Preset Display Modes………………………………………………………………………….. 10
4.3 Power Supply Requirements……………………………………………………………………………… 11
4.4 Panel Specification…………………………………………………………………………………….… 11
4.4.1 Panel Feature…………………………………………………………………………………………. 11
4.4.2 Display Characteristics……………………………………………………………………………….. 11
4.4.3 Optical Characteristics……………………………………………………………………………… 12
4.4.4 Parameter Guide Line For CCFL Inverter………………………………………………………… 12
5. Block Diagram…………………………………………………………………………………………….… 13
5.1 Monitor Exploded View………………………………………………………………………………….. 13
5.2 Software Flow Chart……………………………………………………………………………………... 14
5.3 Electrical Block Diagram………………………………………………………………………………… 16
5.3.1 Main Board…………………………………………………………………………………………….. 16
5.3.2 Inverter/Power Board………………………………………………………….……………………. 17
6. Schematic………………………………………………………………………………………………….… 19
6.1 Main Board………………………………………………………………………………………………….. 19
6.2 Power Board…………………………………………………………………….………………………… 25
6.3 Audio Board…………………………………………………………………….………………………… 28
7. PCB Layout……………………………………………………………………………………………………. 29
7.1 Main Board………………………………………………………………………………………………….. 29
7.2 Power Board…………………………………………………………………….………………………… 30
7.3 Audio Board…………………………………………………………….………………………………… 31
7.4 Key Board………………………………………………………………………….……………………… 31
7.5 USB Board…………………………………………………………………………………………………. 31
7.6 CNPC Board…………………………………………………………………….………………………… 31
8. Maintainability…………………………………………………………………………………………………. 32
8.1 Equipments and Tools Requirement…………………………………………………………………… 32
8.2 Trouble Shooting……………………………………………………………………………………….… 33
8.2.1 Main Board…………………………………………………………………………………………... 33
8.2.2 Power /Inverter/Board……………………………………………………………………………….. 36
8.2.3 Keypad Board……………………………………………………………………………………….. 38
9. White-Balance,Luminance adjustment……………………………………………………………….… 39
10. EDID Content………………………………………………………………………………………………. 40
11. BOM LIST……………………………………………………………………………………………………... 41
http://www.wjel.net