Sony GN1G Service Manual page 55

3-5. NO PICTURE
No Picture
Got Any Normal No
Display?
Yes
Check Other
Portion:
Ext. Video Input -
No Picture
HDMI - No Picture
Tuner - No Picture
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
BL_ON (L or H):
XM-H/A/DT(BMX): IC9013 (Pin 4)
Check Smart Core
Behavior BL_ON
(5x Blinking) on the B* Board
No
Yes
5x Blinking Backlight
BL_ON：H
Check Replace
the LVDS FFC
Harness
Symptom
BL_ON：L
improvement
LVDS FFC
Harness
TROUBLE SHOOTING
NG NG
Replace LCD Panel
the B* Board (T-CON)
Symptom improvement
B* Board NG
Size B* Board G* Board
50"
BMX Not applicable
55"
BMX Not applicable
H* Board
HSC3
HSC3
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