Samsung UE9Z Training Manual page 64

Troubleshooting
No powe r AND No Video
No powe r AND No Video
Check 'Powe r o f m a i n I C ( B1 .2V/B3 .3V ) '
Check 'Powe r o f DD R IC (B1 .5V ) ' appea r a t
BD223 ,BD224, BD220(1 .2V ) ,
BD212 ,BD215, BD228(3 .3V )
BD226(1 .5V ) , L204 (1 .1V )
Check 'Powe r o f LVDS (13V ) '
appea r a t PANEL _VCC?
0V t o 13V (BD216)
Change t he L VDS cab l e
YES
YES
YES
NO
Cause : Ther e i s p rob l e m a t DC D C( I C206 , I C202 , I C202 , I C205 )/LDO
measu re : Change t he Ma i n Ass y
NO
Cause : t he r e i s p robe m pane l o r T-con boa rd o r Ma i n ass y
measu re : Change t he Ma i n Ass y
NO
Change t he Pane l