AOC L32W931 - No Display (LED Indicator Green)

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3. No Display (LED Indicator Green)
Check 12V
power supply
Check Panel
NG
Replace Panel
Check back light is OK
OK
Check LVDS cable
and connector
OK
Check U400
NG
Replace U400
NG
NG
OK
Check BL-ON/OFF signal
Check PS
signal
OK
OK
Check power
board
NG
NG
NG
Check Q707, Q708
Replace Q707, Q708