Sony XBR-55X900H Service Manual page 58

2020/06/27 06:31:32 (GMT+09:00)
3.8 No Sound: HDMI 1/2/3/4
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
SECTION 1
S E C T I O N 3
T R O U B L E S H O O T I N G
NG
Refer to 4.5 HDMI NO PICTURE
OK
NO
SECTION 2 SECTION 3
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
SECTION 4 SECTION 5
Change B-Board.
And inform the designer of it
SECTION 6
SYS SET
58