LG Flatron L222WS - Power Supply Troubleshooting

-21-
5. POWER
No Power
(Power Indicator Off)
Check AC line volt
100V or 220V
Check the
voltage of C905(+)
Check voltage of
C901 pin7
Check the output of
IC901 pin6
Check AC line
Check F901, BD901
Check R909, D902,
C90
7
,C908,
I
C90
1
Check D901,L905,Q903,R914
1) Check IC901,T901
2) Check D906, D907, ZD901, ZD902, ZD903
3) Check IC902, IC903
NO
YES
YES
NO
YES
NO
YES
NO
http://www.wjel.net