Service Manual AOC2241VG
35
9.
Maintenance Trouble treatment
9.1 Maintainability Requirement
1.
Voltmeter. & digital multimeter
2.
Oscilloscope.
3.
Pattern Generator.
4.
DDC Tool with Compatible Computer.
5.
Alignment Tool.
6.
LCD Color Analyzer.
7.
Service Manual.
8.
User Manual.
9.
repair tools etc
9.2 Trouble Shooting
Main Board---No Power
No power
Press power key and look if
the picture is normal
Please reinsert and make sure the AC
100-240V is normal
?
Reinsert or check the power section
Check 5V-CN701, 3.3V-U701-2;
1.8V-U703,Panel-Vcc-Q705
Check X401 waveform
Replace U402/U401
Replace X401
OK
NG
Check&replace
CN701,U701,U703,Q705,Q706
NG
NG
NG
OK
OK
Check flow chart
For the no power
Summary of Contents for AOC2241VG
Page 1: ...Service Manual AOC2241VG 1 LCD 显示器维修手册 Custom AOC Model AOC2241VG ...
Page 8: ...Service Manual AOC2241VG 8 ...
Page 9: ...Service Manual AOC2241VG 9 ...
Page 12: ...Service Manual AOC2241VG 12 3 3 USB up down port Bottom View Top View ...
Page 14: ...Service Manual AOC2241VG 14 b Backlight unit 4 4 Optical Specifications ...
Page 28: ...Service Manual AOC2241VG 28 7 Explore Views ...
Page 29: ...Service Manual AOC2241VG 29 Institutions dismantling plan ...
Page 30: ...Service Manual AOC2241VG 30 ...
Page 31: ...Service Manual AOC2241VG 31 8 PCB Layout 8 1 MainBoard 1 715G3737 M01 ...
Page 32: ...Service Manual AOC2241VG 32 ...
Page 33: ...Service Manual AOC2241VG 33 8 2 PowerBoard 715G2892 P1B ...
Page 34: ...Service Manual AOC2241VG 34 8 3 KeyBoard 715G4007 ...
Page 44: ...Service Manual AOC2241VG 44 ...