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Panasonic gp6d th-42px20u th-50px20u th-42pa20u th-37pa20u update information Service Manual

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No Picture Flowchart 1 
 
Is the On screen 
Display information
 
visible?
No 
Is the SC 
Board LED 
illuminated? 
Is the SS 
Board LED 
illuminated? 
SC Board is probably
defective. 
No 
SS Board is 
probably defective. 
D Board is 
probably 
defective. 
Does the 
problem exist on 
all inputs?
 
DG Board is probably 
defective. 
No 
Yes 
G Board is probably defective.
H or DG Board is 
probably defective.
Does the 
problem exist 
on PC/RGB 
video?
Does the 
problem exist on 
Composite 
video?
 
No 
Yes 
Yes
Yes
Yes 
No 
Yes
 
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