No Power - Sony KDL-22EX550 Service Manual

3-3. NO POWER

KDL-22/26EX550,553,555,32EX650,653,655(AEP/UK/IT)
No power
OK
Long AC off
(> 15 min.).
NG
Check STBY_+3.3V
NG
at 10 pin of CN6001
on the B* board
OK
B* board
Power protection or
CPU abnormal stop
Replace the harness
NG
between G* board and
B* board
Symptom
improvement
Harness
TROUBLE SHOOTING
G* board
76