Table Of Contents - AOC LM2028 Service Manual

1. MONITOR SPECIFICATIONS .........................................................................................................................................4
2. LCD MONITOR DESCRIPTION ......................................................................................................................................4
3. OPERATING INSTRUCTIONS ........................................................................................................................................5
3.1 GENERAL INSTRUCTIONS ......................................................................................................................................5
3.2 ADJUSTING THE PICTURE ......................................................................................................................................5
4. INPUT/OUTPUT SPECFICATION ...................................................................................................................................7
4.1 INPUT SIGNAL CONNECTOR ..................................................................................................................................7
4.2 FACTORY PRESET DISPLAY MODES：..................................................................................................................8
4.3 PANEL SPECIFICATION ...........................................................................................................................................9
4.3.1 PANEL FEATURE...............................................................................................................................................9
4.3.2 DISPLAYS CHARACTERISTICS .......................................................................................................................9
4.3.3 OPTICAL CHARACTERISTICS .......................................................................................................................10
4.3.4 PARAMETER GUIDE LINE FOR CFL INVERTER. .........................................................................................10
5. BLOCK DIAGRAM ........................................................................................................................................................ 11
5.1 SOFTWARE FLOW CHART .................................................................................................................................... 11
5.2 ELECTRICAL BLOCK DIAGRAM ............................................................................................................................13
5.2.1 SCALAR BOARD BLOCK DIAGRAM ..............................................................................................................13
5.3.2 INVERTER/POWER BOARD BLOCK DIAGRAM............................................................................................14
6.SCHEMATIC ...................................................................................................................................................................16
6.1 MAIN BOARD...........................................................................................................................................................16
6.2 POWER BOARD ......................................................................................................................................................22
7. PCB LAYOUT ................................................................................................................................................................26
7.1 MAIN BOARD...........................................................................................................................................................26
7.2 KEYPAD BOARD .....................................................................................................................................................26
7.3 POWER BOARD ......................................................................................................................................................27
8. MAINTAINABILITY........................................................................................................................................................28
8.1 EQUIREMENT AND TOOLS REQUIREMENT ........................................................................................................28
8.2 TROUBLE SHOOTING ............................................................................................................................................29
8.2.1 Main board........................................................................................................................................................29
8.2.2 KEYPAD BOARD .............................................................................................................................................32
8.2.3 POWER/INVERTER BOARD...........................................................................................................................32
8.2.3 POWER/INVERTER BOARD...........................................................................................................................33
9. WHITE- BALANCE, LUMINANCE ADJUSTMENT ......................................................................................................35
10. EDID CONTENT ..........................................................................................................................................................36
11 BOM LIST .....................................................................................................................................................................37
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AOC LM2028