Flow - Sony XE93 Series Service Manual

FLOW

1-1. NO POWER
WITH G* BOARD
No Power
Check STBY 3.3V
NG
C518
near CN400
on B* board
OK
B* board
KD-55/65XE9305, 75XE9405
NG
Replace
Between G* board to
B* board Harness
OK
Harness
u-Com Failure
DDCON/LDO
Main Device Failure
G* board
TROUBLE SHOOTING
21