Vizio VW22LHDTV10T - Troubleshooting: No Display (Green LED)

22″LCD TV Vizio VW22LHDTV10T
21
3. No display (LED indicator green)
Check the source
OK
Reset source
Check LVDS cable
NG
Reset LVDS cable
OK
Check 12V power supply
NG
Return to “1”
OK
OK
Check U401
NG
Replace main board
OK
Check panel
NG
Replace panel
Check BL_ON_OFF signal
NG
Check U409
OK
Check IC801
NG
Replace IC801
OK
Check Q805, Q806
NG
Replace Q805, Q806
OK
Check PT801
NG
Replace PT801