Sony XBR-65Z9D Service Manual page 40

FLOW
4-1. NO PICTURE
No Picture
No
Got Any Normal
Display?
Yes
Check Other
Portion:
Ext. Video Input -
No Picture
HDMI - No Picture
Tuner - No Picture
XBR-65/75/100Z9D
BL_ON (L or H):
Check Smart Core
Behavior
(5x Blinking) No on the main board
Yes
5x Blinking Backlight
IC401 #18pin (for 4K BFM/BM2 board)
BL_ON：H
Check Replace
BL_ON the V by One FFC
Harness
BL_ON：L
V by One FFC
Harness
TROUBLE SHOOTING
NG
Replace
the B-PWB
Symptom
Symptom
improvement
improvement
Main board NG
NG
LCD Panel
(T-CON)
40