KDL-40E4500 - Sony TV Service Manual (repair manual). Page 10

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KDL-40E4500
RM-GD004W
3.1 No Power
   3.3Vdc
CN6401  #3 
on BGA
NO
Power board 
(No STBY 3.3V) 
YES
NO
207
253Vac  
Inlet on Power 
board 
YES
AC cable or AC 
inlet
No Power 
(No relay clicks) 
YES
Does Power 
button work? 
NO
Switch Unit
BGA board 
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