Sony KD-55X8 G Series Service Manual page 67

3.8 NO SOUND: HDMI 1/2/3/4
No Sound
NG
Check the picture
OK
Check sound by other TV set
which is same model
NG
Is HDMI Splitter used ?
YES
Connect Source
equipment directly
TV Business Division
Refer to 4.5 HDMI NO PICTURE
OK
Refer to 3.0 No Sound
NO
Check Source equipment
by Reference TV set
NG
Check the settings of
Source equipment
Change B-Board.
And inform the designer of it
No Sound eARC/ARC
(HDMI3)
Check the Port
HDMI
3
Check the Amplifier
/Soundbar
Support
eARC/ARC
OK
Check sound by other TV set
which is same model
NG
Inform the designer of it
67
Except HDMI3
Change to HDMI 3
Not support
eARC/ARC
Change to eARC/ARC
support
Amplifier/Soundbar
OK
Change B-Board.
And inform the designer of it
67