ServiceManual AOCn941Splus
3
CONTENTS
1. LCD Specifications ................................................................................................................................ 4
1.1 Product Features....................................................................................................4
1.2 Factory preset modes ............................................................................................5
1.3 Introduction of new feature.....................................................................................5
1.4 VGA 15pin Connector ............................................................................................6
2. Operation instruction............................................................................................................................. 7
2.1 Connection.............................................................................................................7
2.2 Control Buttons ......................................................................................................7
2.3 OSD User mode adjustment ..................................................................................8
3. Panel Feature....................................................................................................................................... 10
3.1 General Specifications .........................................................................................10
3.2 Electrical Absolute Ratings...................................................................................10
3.3 Electrical Characteristics......................................................................................10
3.4 TFT LCD Module Block Diagram..........................................................................11
3.5 LCD module input terminal pin assignment..........................................................12
3.6 Optical Specifications...........................................................................................12
4. Disassembly SOP................................................................................................................................ 13
4.1 appropriate tools ..................................................................................................13
4.2 Disassembly SOP................................................................................................14
5.Block Diagram....................................................................................................................................... 18
5.1 LCD Block Diagram..............................................................................................18
5.2 MainBoard Block Diagram ...................................................................................18
5.3 Power Board Block Diagram................................................................................19
5.4 Software Flow Chart.............................................................................................20
6. Circuit Schematic................................................................................................................................. 21
6.1 Main Board 1-715G3225-1...................................................................................21
6.2 Power Board 715G2892-7 ...................................................................................26
6.3 Inverter part----.....................................................................................................27
6.4 Key Board 715G4007-K01...................................................................................28
7.Explore Views........................................................................................................................................ 29
8. PCB Layout........................................................................................................................................... 30
8.1 MainBoard -- 715G3225-1 ...................................................................................30
8.2 PowerBoard 715G2892-7 ....................................................................................32
8.3 KeyBoard ---715G4007........................................................................................33
9. Maintenance Trouble treatment......................................................................................................... 34
9.1 Maintainability Requirement.................................................................................34
9.2 Trouble Shooting..................................................................................................34
9.3 Software programming step.................................................................................38
9.4 Writing DDC program step...................................................................................43
9.5 Factory mode adjustment.....................................................................................45
10.BOM List .............................................................................................................................................. 47
10.1 Model：T99ANSNYWVA1NNJ ..........................................................................47
