AOC LM2028
Page 2 of 66
Table of Contents
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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