XBR-55X850D/855D/857D, 65X850D/855D/857D, 75X850D/855D/857D
21
TROUBLE SHOOTING
FLOW
1-1. NO POWER
No Power
Check STBY 3.3V
C9006
near CN9000
on B* board
Harness
G* Board
Replace
Between G* Board to
B* Board Harness
B* Board
NG
OK
NG
OK
u-Com Failure
DDCON/LDO
Main Device Failure
with G* board
No Power
Check 19.5V
C9001
near CN9000
on B* board
Harness
LD Board
or
AC Adaptor
Replace
Between LD Board to
B* Board Harness
B* Board
NG
OK
NG
OK
u-Com Failure
DDCON/LDO
Main Device Failure
with AC-ADP
Case: BMFW2 structure