Repair Flow Chart - AOC L32W781B Service Manual

32'' LCD TV

5. Repair Flow Chart

1. No Power (No LED indicator)
Check power cord and board interface
Check F901, BD901, D902
Check IC903, IC902
Check IC901 Q901,
Check Q902 ,Q903
OK
Check T901,T902
Check D905 D906
IC904.IC907,IC908
2. Can not start (LED indicator yellow)
Check key board
OK
Check 5V SB
OK
Check PWR ON signal
OK
Check main board power supply part
OK
Check U203, U401
OK
2
Check I C communication
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OK
NG
OK
NG
OK
NG
OK
NG
NG
OK
NG
D914 D918
NG
Repair the key board
NG
Return to "1"
NG
Check Q706, Q703
NG
Replace U401 or U203
NG
Plug in power cord and interface
Replace F901 or BD901 or D902
Replace IC903 IC902
Replace IC 901 Q901
Replace Q902,Q903
Replace T901,T902
Replace D905 D906,D914,D918 ,
IC904,IC907,IC908 IC904. IC907,
IC908
NG
27
AOC L32W781B
Replace Q706, Q703