Sony KD-55A8F - 3.0 No Sound

3.0 No Sound
No Sound
Without LED 3x
No
No sound only
Analog RF and Digital RF ?
Yes
No
No sound only HDMI ?
Yes
No
No
Headphone is connected to
HP/Audio Out terminal ?
Disconnect the Headphone
Go to
3.3 Power Off Checking
Yes
No
Go to
3.7 No Sound Tuner
Go to
3.8 No Sound HDMI
Go to
3.1 No Sound Audio
[Sound]→
[Headphone Speaker Link]
setting is [On] ?
Change [Sound]→
[Headphone Speaker Link]
to [Off], OK ?
Replace BM2A board
Yes
No
HP/Audio out terminal or Headphone
detect GPIO may be broken
AV receiver is connected
to HDMI in ?
Yes
Select [External Inputs]→
[BRAVIA Sync Settings]→
[BRAVIA Sync Control]→[off]
[Speakers] setting is
[Audio System] ?
Change the setting to
[TV Speakers]
Yes
No
Yes
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SYSSET
2018/03/1622:32:44(GMT+09:00)