Sony KD-55A8F - 3.4 No Sound Power On Check

Power On Check
From 2.2/3.1
No
(4) POWER_AU* check
POWER_AU is supplied to
BM2A for a moment
before LED 3x blinking?
No
Yes
Replace G-PWB
OK ?
No
Yes
Return to 2.2
Finish
*Power AU is same as PVDD
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3.4 No Sound Power On Check
SYSSET
2018/03/1622:32:44(GMT+09:00)