Read Sony KDL-40HX750 / KDL-46HX750 / KDL-55HX750 Service Manual online
KDL-40/46/55HX750(CH)
94
TROUBLE SHOOTING
3-6. NO PICTURE
No Picture
Press HOME key.
Menu displayed?
B* Board
NO
YES
Replace
the LVDS FFC
Panel
(Tcon)
FFC
(LVDS)
NG
Check
BL_ON and BLINKING
at CN6401#5 & 4
on the G* Board
Both H
B* board
Replace the harness
between G* board
and B* board)
Harness
（
G* to B*)
NG
Not both H
Change B* Board
G* board
NG
Symptom
improvement
improvement
Symptom
improvement
improvement
OK
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