AOC LM725 User Manual

AOC LM725
2
Table of Content
Revision List………………………………………………………………………………………………………….
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1. Monitor Specifications…………………………………………………………………………………………..
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2. LCD Monitor Description………………………………………………………………………………………..
5
3. Operating Instructions…………………………………………………………………………………………..
6
3.1 General Instructions…………………………………………………………………………………………... 6
3.2 Front Panel Control…………………………………………………………………………………….……... 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 Electrical Characteristics………………………………………………………………………………… 13
5. Block Diagram………………………………………………………………………………………………….…
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5.1 Monitor Explored View………………………………………………………………………………………... 14
5.2 Software Flow Chart…………………………………………………………………………………………... 15
5.3 Electrical Block Diagram……………………………………………………………………………………… 17
5.3.1 Main Board……………………………………………………………………………………………….. 17
5.3.2 Inverter/Power Board……………………………………………………………………………………. 18
6. Schematic……………………………………………………………………………………………………….…
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6.1 Main Board…………………………………………………………………………………………………….. 19
6.2 Power Board……………………………………………………………………………………….………….. 24
6.3 Audio Board……………………………………………………………………………………….…………… 26
7. PCB Layout………………………………………………………………………………………………………..
27
7.1 Main Board…………………………………………………………………………………………………….. 27
7.2 Power Board………………………………………………………………………….……………………….. 28
7.3 Audio Board………………………………………………………………………….………………………… 29
7.4 Keypad Board…………………………………………………………………………………………………. 29
8. Maintainability…………………………………………………………………………………………………….
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8.1 Equipments and Tools Requirement………………………………………………………………………… 30
8.2 Trouble Shooting…………………………………………………………………………………………….… 31
8.2.1 Main Board………………………………………………………………………………………………... 31
8.2.2 Power /Inverter/Board…………………………………………………………………………………… 34
8.2.3 Keypad Board…………………………………………………………………………………………….. 36
9. White-Balance, Luminance adjustment………………………………………………………………….…..
37
10. EDID Content…………………………………………………………………………………………………….
38
11. BOM List ………………………………………………………………………………………………………...
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AOC LM725 Specifications

General

Brand	AOC
Model	LM725
Category	Monitor
Language	English