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KDL-40WE5, KDL-46WE5 (serv.man2) - Sony TV Service Manual (repair manual). Page 13

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KDL-40, 46WE5
RM-GD007
3-1-2.  Flowchart B
Only 
Speaker 
out?
HDMI
Problem?
Analog 
Channel 
Problem
(Not used for
these models)
?
Digital 
Channel 
Problem?
No
No
No
BA Board
Set correctly or 
reset by menu
Check Speaker 
BA board
No
Yes
Yes
UI of Audio 
Setting correct?
Volume, TV 
Speaker
BA Board
No
BA Board
BA Board
3-1-3.  Flowchart C
Video
Problem
All inputs 
have 
problem?
HDMI
Problem?
Analog 
Channel 
Problem
(Not used for
these models)
?
Digital 
Channel 
Problem?
No
No
No
No
Check LVDS harness 
connection 
Or BA board or Panel
No
Yes
Yes
Backlight 
turn on?
BA Board
BA Board
BA Board
BA Board
BA Board
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