No Display (Led Indicator Green) - AOC L32W931 Service Manual

3. No Display (LED Indicator Green)

Check back light is OK
OK
Check LVDS cable
and connector
OK
Check U400
NG
Check 12V
power supply
OK
Check BL-ON/OFF signal
NG
Replace U400
OK
NG
Check Panel
NG
Check PS
signal
NG
NG
Check Q707, Q708
Replace Panel
22
OK
Check power
board
NG
Replace Q707, Q708