Sony XBR-55X900H Service Manual page 52

2021/04/27 23:25:57 (GMT+09:00)
4.0 No Picture
BM5 Board LCD Model
No Picture
Got Any Normal
Display?
Yes
Refer to other part:
Video, Tuner, HDMI
SAFETY NOTES
No Check Smart Core
Behavior
(Blinking)
Yes
Refer to self diagnosis Part(flow 2.x)
SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING
T R O U B L E S H O O T I N G
Refer to the flow 1.0
No
and check the power
supply problem
Yes
Power supply problem
Panel
(T-CON)
SERVICE ADJUSTMENT
Replace
No
the V by One FFC
Harness
(CN4200, 4201@BM5)
Symptom
improvement
V by One FFC Harness
NG
Replace
the main Board
Symptom
improvement
Main board NG
DIAGRAM HANDLING GUIDE
NG
52
SYS SET