Filter
Top Products
Service Manual AOCe941Series
3
CONTENTS
1. LCD Specifications ----------------------------------------------------------------------------------------------------------------- 4
1.1 Product Features ---------------------------------------------------------------------------------------------------------------- 4
1.2 Factory Preset Timing ---------------------------------------------------------------------------------------------------------- 5
2. Operation Instruction -------------------------------------------------------------------------------------------------------------- 6
2.1 Control Button ------------------------------------------------------------------------------------------------------------------- 6
2.2 OSD Menu Adjusting ---------------------------------------------------------------------------------------------------------- 7
2.3 OSD Lock Function ------------------------------------------------------------------------------------------------------------ 7
3. Interface description ----------------------------------------- --------------------------------------------------------------------- 8
3.1 VGA interface ------------------------------------------------------------------------------------------------------------------- 8
3.2 DVI interface ------------------------------------------------------------------------------------------------------------------ 8
3.2 USB+Audio in port ------------------------------------------------------------------------------------------------------------- 9
4. Panel Feature ----------------------------------------- ----------------------------------------------------------------------------- 10
4.1 General Specifications -------------------------------------------------------------------------------------------------------- 10
4.2 Electrical Absolute Ratings --------- ----------------------------------------------------------------------------------------- 10
4.3 Electrical Characteristics ----------------------------------------------------------------------------------------------------- 10
4.4 LCD Module Block Diagram ------------------------------------------------------------------------------------------------- 11
4.5 LCD module input terminal pin assignment ------------------------------------------------------------------------------ 11
4.6 LED Connector ----------------------------------------------------------------------------------------------------------------- 12
4.7 Optical Specifications -------------------------------------------------------------------------------------------------------- 12
5. Block diagram ------------------------------------------------------------------------------------------------------------------------------ 13
5.1 LCD Block diagram ---------------------------------------------------------------------------------------------------------------- ---- 13
5.2 Main board 1、2 Block diagram ---------------------------------------------------------------------------------------------------- 13
5.3 Power board Block diagram ------------------------------------------------------------------------------------------------------- -- 14
5.4 LCD software flow chart -------------------------------------------------------------------------------------------------------------- 15
6. Circuit Schematic ----------------------------------------------------------------------------------------------------------------- 16
6.1 Main board 1 -------------------------------------------------------------------------------------------------------------------- 16
6.2 Main board 2 -------------------------------------------------------------------------------------------------------------------- 22
6.3 Power board --------------------------------------------------------------------------------------------------------------------- 27
6.4 Converter board ---------------------------------------------------------------------------------------------------------------- 28
6.5 Audio part ------------------------------------------------------------------------------------------------------------------------ 29
6.6 Key board ------------------------------------------------------------------------------------------------------------------------ 30
7. Monitor exploded view ---------------------------------------------------------------------------------------------------------- 31
8. PCB Layout ------------------------------------------------------------------------------------------------------------------------- 34
8.1 Main board 1、2 --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------- -- 34
8.2 Power board --------------------------------------------------------------------------------------------------------------------- 38
8.3 Key board ------------------------------------------------------------------------------------------------------------------------ 39
9. Maintainability ------------------------------------------------------------------------------------------------------------------------- 40
9.1 Maintainability Requirement ------------------------------------------------------------------------------------------------- 40
9.2 Trouble Shooting --------------------------------------------------------------------------------------------------------------- 40
9.3 Factory mode OSD ------------------------------------------------------------------------------------------------------------ 44
9.4 DDC re-wirting step ------------------------------------------------------------------------------------------------------------ 45
10. BOM List --------------------------------------------------------------------------------------------------------------------------- 48
10.1 e941VA-T995NTNBWVK2PNJ BOM ------------------------------------------------------------------------------------ 48
10.2 e941SA-T995NSNCWVA1UNJ BOM ----------------------------------------------------------------------------------- 61
10.3 e941S-- T9A2NS2DWVA4QNE BOM ----------------------------------------------------------------------------------- 73