Sony KD-55A9G Service Manual page 54

2019/04/19 01:55:00 (GMT+09:00)
3.8 NO SOUND: HDMI1/2/3/4
No Sound
Check the picture
OK
Check sound by other TV set
which is same model
NG
Is Distributor used ?
YES
Connect Source
equipment directly
NG
Refer to 4.5 HDMI NO PICTURE
OK
NO
TV Business Division
Refer to 3.0 No Sound
Check Source equipment
OK
by Reference TV set
(For example, RB2, RB1)
NG
Check the settings of
Source equipment
54
Change B-Board.
And inform the designer of it
54
SYS SET