22" LCD Color Monitor
ASUS VW221D&VW221DE&VW221S
36
8.2 Trouble Shooting
8.2.1 Main Board
(1). 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
Reinsert or check the
Adapter/Inverter section
X201 oscillate waveforms
are normal
Replace U701 or U702
Replace U202
Replace X201
OK
OK
OK
NG
NG
NG
NG
Measure U702 PIN2=1.8V
Measure U701 PIN2=3.3V
Summary of Contents for VW221D
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Page 9: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 9 3 3 OSD Menu ...
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Page 13: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 13 4 3 Factory Preset Display Modes ...
Page 28: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 28 7 PCB Layout 7 1 Main Board 715G2698 4 ...
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Page 31: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 31 7 2 Power Board 715G2538 1 3 ...
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Page 44: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 44 10 Monitor Exploded View ...