Read Sony KDL-22EX553 / KDL-26EX553 / KDL-32EX653 / KDL-40EX650 / KDL-40EX653 / KDL-40EX655 / KDL-46EX650 / KDL-46EX653 / KDL-46EX655 Service Manual online
KDL-22/26EX553,32/40/46EX650,653,655(AEP/UK/IT/RUSS)
116
TROUBLE SHOOTING
3-3. NO POWER
No power
Check STBY_+3.3V
at 10 pin of CN6001
on the B* board
Harness
G* board
Replace the harness
between G* board and
B* board
B* board
NG
OK
NG
Symptom
improvement
improvement
Long AC off
(> 15 min.).
Power protection or
CPU abnormal stop
NG
OK
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