Sony KD-55A8F Service Manual page 43

4.0 No Picture
No Picture
No
Got Any Normal
Display?
Yes
Check Other
Portion:
Ext. Video Input -
No Picture
HDMI - No Picture
Tuner - No Picture
Check Smart Core
Behavior
No
(Blinking)
Yes
4x
4x Blinking
5x
5x Blinking
6x
6x Blinking
NG
Replace
the V by One FFC
the main Board
Harness
Symptom
improvement
V by One FFC
Main board NG
Harness
NG
Replace
Panel
(T-CON)
Symptom
improvement
43
SYS SET