Sony KD-49X9 F Series Service Manual page 40

3.4 No Sound Power On Check
Power On Check
From 2.2/3.1
(4) POWER_AU* check
POWER_AU is supplied to
BM2A for a moment
before LED 3x brinking?
Replace G-PWB
OK ?
Return to 2.2
*Power_AU is same as PVDD
Yes
No
No
Yes
No
Finish
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