No Picture - Samsung CS21A530FL Service Manual

3. No Picture

- when the power is normall
No picture (1st power OK)
Check the +125V line
open and check
Change the "D811"
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Yes
No
Yes
"D811" T444 B+ Pin #3
Open and check
No
Check the "Q401"
Change the "Q401"
Complete
MAIN TRANS
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Check the others B+ line
Yes
Check D407
No
Yes
No
Change D407
FBT
D407 OUTPUT
TR Q401
Troubleshooting
Yes
CHECK CRT ASS`Y
No
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