Repair Flow Chart - AOC L32W661 Service Manual

32‟‟ LCD TV

6. Repair Flow Chart

1. No Power (No LED indicator)
Check power cord and board interface
OK
Check F901, BD901, C907
OK
Check IC901, Q901
OK
Check T901
OK
Check D905, D914
OK
Check ZD901
2. Can not start (LED indicator yellow)
Check key board
OK
Check 5V_SB
OK
Check PWR_ON signal
OK
Check RELAY-SW signal
OK
Check main board power supply part
OK
Check U401, U404
OK
2
Check I C communication
NG
NG
Replace F901 or BD901 or C907
NG
Replace IC901 or Q901
NG
Replace T901
NG
Replace D905 or D914
NG
Replace ZD901
NG
Repair the key board
NG
Return to "1"
Check U905, Q906, Q907
NG
Check I2C communication
NG
Replace Q913, Q914
NG
Replace U401 or U404
Plug in power cord and interface
NG
22
AOC L32W661
Replace U905 or Q906 or Q907