Sony KD-55X8 G Series Service Manual page 68

4.0 No Picture
No Picture
No
Check Smart Core
Got Any Normal
Display?
Yes
Check Other
Portion:
No Picture
(VIDEO/Component)
No Picture
(HDMI)
No Picture
(Tuner)
BL_ON (L or H):
Behavior
(5x Blinking) No on the main board
Yes
5x Blinking
Backlight
IC401 #7pin or R527
BL_ON：H
Check
Replace
BL_ON
the V by One FFC
Harness
BL_ON：L
V by One FFC
Harness
NG
Replace
the main Board
System System
Recover Recover
Main board NG
NG
LCD Panel
(T-CON)
68