No Power; No Power-Pcu; Troubleshooting - Sony XBR-43X830C Service Manual

TROUBLE SHOOTING

3-2. NO POWER

3-2-1. NO POWER-PCU

No Power
Check STBY 3.3V Replace
NG
NG
C9030 Between G* Board to G* Board
On B* board B* Board Harness
OK OK
Harness
B* Board
u-Com Failure
DDCON/LDO
Main Device Failure
86
XBR-43X830C, 49X830C, 835C, 837C