Repair Flow Chart - AOC L19WA91 Service Manual

5. Repair Flow Chart

1. No Power (No LED Indicator)
Check power cord and board interface
OK
Check F901, BD901, C905
OK
Check D901, D902
OK
Check T901
OK
Check D904, C930, C915
2. Can not Start (LED Indicator Yellow)
Can not start
OK
Check key board or remote control
OK
Check U151, U153, U154, U157, U158
OK
Check U401
OK
Check U400
OK
2
Check I C communication
NG
NG
Replace F901 or BD901 or C905
NG
Replace D901 or D902
NG
Replace T901
NG
Repair key board or remote control
NG
Replace U151, U153, U154, U157, U158
NG
Replace U401
NG
Replace U400
Plug in power cord and interface
Replace D904 or C930 or C915
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