27'' LCD TV
AOC N27W551T
5.3 No display (LED indicator green)
NG
Check the source
Reset source
OK
NG
Check LVDS cable
Reset LVDS cable
OK
NG
Check 24V power supply
Return to "5.1"
OK
Check main board power supply
OK
NG
Check U21
Replace U21
OK
2
Check I
C communication
OK
NG
Replace panel
Check panel
28