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KDL-26EX550, KDL-32EX550, KDL-32EX650, KDL-40EX650, KDL-46EX650 - Sony TV Service Manual (repair manual). Page 117

Read Sony KDL-26EX550 / KDL-32EX550 / KDL-32EX650 / KDL-40EX650 / KDL-46EX650 Service Manual online

KDL-26/32EX550, 32/40/46EX650(CH)
117
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
Symptom 
improvement
OK
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