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KDL-40EX500, KDL-46EX500, KDL-55EX500 - Sony TV Service Manual (repair manual). Page 14

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KLV-40/46/55EX500(CH)
14
TROUBLE SHOOTING
2-2. NO POWER
No Power
176-264Vac
AC Cable
Power board
No standby 3.3V
BAA Board
3.3V_DC
CV6200 Pin3
On BAA Board
OK
NG
YES
NO
Power board
No REG12V
3.3V_DC
CV6200 Pin10
On BAA Board
YES
NO
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