Read Sony KDL-40W4500 / KDL-46W4500 / KDL-52W4500 Service Manual online
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KDL-40, 46, 52W4500
RM-GD004
RM-GD006
RM-GD006
3-1. No Power
Flow Chart [B]
3.3Vdc
CN6401 #3
on BGA/BGC
NO
Power board
(No STBY 3.3V)
YES
NO
207 ~ 253Vac
Inlet on Power
board
Inlet on Power
board
YES
AC cable or AC inlet
No Power
(No relay clicks)
YES
Does Power
button work?
button work?
NO
Switch Unit
BGA/BGC board
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