Read Sony KDL-40Z4500 / KDL-46Z4500 / KDL-52Z4500 (serv.man2) Service Manual online
– 11 –
KDL-40, 46, 52 Z4500
RM-GD005
4-1. No Power (Flow Chart_B)
No
207-253VAC
Inlet on Power Board
Yes
3.3VDC
(CN6401 3Pin on
BGC board)
NO
Power Board
(No STBY3.3V)
YES
NO
YES
AC cable or AC inlet
No Power
(No relay clicks)
Does Power
button work?
BGC board
Switch Unit
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