Trouble Shooting - LG 22LG3000 Service Manual

1. No Power (LED Blank )
OK
Check F901, BD901
CheckQ903, IC903,ZD920 IC902
and relative circuit
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TROUBLE SHOOTING

No Power
NG
Check power
cord and board
interface
NG
OK
NG
Check Q901
OK
NG
Check IC901
OK
NG
Check T901
OK
Plug in power cord and
interface
Replace F901 or BD901
Replace Q901
Replace IC901
Replace T901
NG
Replace Q903,
IC902
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ZD920, IC903
LGE Internal Use Only