22" LCD Color Monitor
ASUS VW221D&VW221DE&VW221S
40
2.) W / LED, No Backlight
Check CN902 pin4, 5 = 12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 PIN12=12V
NG
OK
Change Q808
Check IC801 PIN10, 9 have the output of square wave at short
NG
OK
Change IC801
Check Q802, Q803 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q801, Q804, Q811, Q812, Q802, Q803
Check the output of T801, T802
Check connecter & lamp
OK
NG
Change T801, T802
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 ...