AOC e2040S Service Manual

20" LCD Color Monitor
Service
Service
Service
Description

Table Of Contents..........................................................1

Table Of Contents..........................................................1
Description
Revision List.................................................................2
Revision List.................................................................2
1. Monitor Specification..................................................4
1. Monitor Specification..................................................3
2. LCD Monitor Description........................................5
2.LCD Monitor Description........................................4
3. Operation Instruction.............................................7
3. Operation Instruction.............................................5
3.1 General Instructions.................................................7
3.1 General Instructions...................................................5
3.2 Control Button..................................................7
3.2 Control Button....................................................5
3.3 Adjusting the Picture.........................................7
3.3 Adjusting the Picture..........................................5
4. Input/Output Specification.......................................13
4. Input/Output Specification.......................................8
4.1 Input Signal Connector.......................................13
4.1 Input Signal Connector.......................................8
4.2 Factory Preset Display Modes...........................14
4.2 Factory Preset Display Modes.........................9
4.3 Panel Specification..............................................15
5 Panel Specification..................................................10
5. Block Diagram...............................................24
5.1 Display Characteristics....................................10
5.1 Software Flow Chart.........................................24
5.2 Optical Characteristics......................................10
5.2 Electrical Block Diagram.................................26
5.3 Parameter guide line for CCFL Inverter.................10
6 Block Diagram
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
TABLE OF CONTENTS
Page Description
6. Schematic.................................................... 28
Page
6.1 Main Board..........................................................28
6.2 Power Board.......................................................33
7. PCB Layout..........................................................35
7.1 Main Board.....................................................35
7.2 Power Board........................................................36
7.3 Key Board.......................................................38
8. Maintainability........................................................39
8.1. Equipments and Tools Requirement.....................39
8.2. Trouble Shooting................................................40
9. FOS Testing.............................................44
10. Firmware and DDC Instruction.......................56
11. White-Balance, Luminance adjustment.................64
12. Monitor Exploded View...................................65
13. BOM List..............................................................66
11
SAFETY NOTICE
1
AOC e2040S
Horizontal Frequency
30-83 kHz
Page