Service Manual AOCi2252VW
38
8.3 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-CN404, 3.3V-U404-2;
1.8V-Q409/Q410,Panel-Vcc-Q405
Check X401 waveform
Replace U402/U401
Replace X401
OK
NG
Check&replace
CN404,U404,Q409,Q410,Q405
NG
NG
NG
OK
OK
Check flow chart
For the no power
Summary of Contents for i2252VW
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Page 29: ...Service Manual AOCi2252VW 29 6 Monitor exploded view ...
Page 30: ...Service Manual AOCi2252VW 30 7 PCB Layout 7 1 MainBoard 715G4502 ...
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Page 32: ...Service Manual AOCi2252VW 32 7 2 PowerBoard 715G4750 P02 ...
Page 33: ...Service Manual AOCi2252VW 33 7 3 Converter Board 1 715G4013P02 ...
Page 34: ...Service Manual AOCi2252VW 34 7 4 KeyBoard715G4851 ...
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Page 47: ...Service Manual AOCi2252VW 47 3 Click Option select WP pin The figuer is as follows ...
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