
19" LCD Color Monitor AOC
LM926
36
8.2 Trouble Shooting
8.2.1 Main Board
No power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure D701(-)=1.8V
U702 PIN2=3.3V
Reinsert or check the
Adapter/Inverter
section
X401 oscillate waveforms
are normal
Check CN701, U701,
D701, D702, Q702
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
Содержание LM926
Страница 12: ...19 LCD Color Monitor AOC LM926 12 4 4 Panel Specification 4 4 1 Introduction 4 4 2 Display Characteristics...
Страница 13: ...19 LCD Color Monitor AOC LM926 13 4 4 3 Optical Characteristics...
Страница 14: ...19 LCD Color Monitor AOC LM926 14 4 4 4 Electrical Characteristics 1 TFT LCD Module 2 Backlight Unit...
Страница 18: ...19 LCD Color Monitor AOC LM926 18 5 2 2 Inverter Power Board...
Страница 27: ...19 LCD Color Monitor AOC LM926 27 7 PCB Layout 7 1 Main Board...
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Страница 30: ...19 LCD Color Monitor AOC LM926 30 7 2 Power Board...
Страница 31: ...19 LCD Color Monitor AOC LM926 31...
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Страница 33: ...19 LCD Color Monitor AOC LM926 33 7 3 Audio Board...
Страница 34: ...19 LCD Color Monitor AOC LM926 34 7 4 Key Board...
Страница 43: ...19 LCD Color Monitor AOC LM926 43 10 Monitor Exploded View...