Sony XBR-55X900H Service Manual page 51

2021/04/27 23:25:57 (GMT+09:00)
T R O U B L E S H O O T I N G
3.8 No Sound: HDMI 1/2/3/4
No Sound
NG
Check the picture Refer to 4.5 HDMI NO PICTURE
OK
OK
Check sound by other TV set
Refer to 3.1 No Sound
which is same model
NG
NO
Check Source equipment
OK
by Reference TV set
Is Distributor used ? Change B-Board.
(For example, RB2, RB1)
YES
NG
Connect Source
equipment directly Check the settings of
Source equipment
51
SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE
SYS SET