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KDL-22EX553, KDL-26EX553, KDL-32EX653, KDL-40EX650, KDL-40EX653, KDL-40EX655, KDL-46EX650, KDL-46EX653, KDL-46EX655 - Sony TV Service Manual (repair manual). Page 123

Read Sony KDL-22EX553 / KDL-26EX553 / KDL-32EX653 / KDL-40EX650 / KDL-40EX653 / KDL-40EX655 / KDL-46EX650 / KDL-46EX653 / KDL-46EX655 Service Manual online

KDL-22/26EX553,32/40/46EX650,653,655(AEP/UK/IT/RUSS)
123
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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