Sony KD-55X7 E Series - 3.5: Blank Screen, Backlight Visible

29
No Picture
Got Any Abnormal
Display?
No
Yes
Check Smart Core
LED Indication
(5x Blinking)
Refer 5x Blinking
Troubleshooting manual
Check Other
Portion:
Tuner - No Picture
HDMI - No Picture
Ext. Video Input -
No Picture
Yes
Replace
the V by One FFC
Harness
LCD Panel
(T-CON) NG
V by One FFC
Harness NG
NG
OK
Replace
the main Board
Main board NG
No
3.5: Blank Screen, Backlight Visible
NG
OK
Replace
LD/G Board
NG
LD/G Board NG
OK