Sony XBR-55X850D Service Manual page 41

TROUBLE SHOOTING
FLOW
3-5. NO SOUND (AUDIO HP/AUDIO OUT)
No Sound Audio
HP/Audio out
Yes
[Sound]
[Headphone]
Headphone Volume
[Headphone/Audio out] Increase Headphone Volume
is set to MIN?
is set to ?
No
Replace B Board
[Audio Out (Fixed)]
Replace B Board
Yes
[Audio Out (Variable)]
Volume
Increase Volume
is set to MIN?
No
Replace B Board
[Subwoofer]
Set [Headphone/Audio Out]
to [Headphone] or [Audio Out]
41
XBR-55X850D/855D/857D, 65X850D/855D/857D, 75X850D/855D/857D