Troubleshooting
3. No Picture
- when the power is normall
No picture (1st power OK)
Yes
Check the +125V line
Check the others B+ line
No
Yes
Yes
Yes
"D811"
T444 B+ Pin #3
Check D407
CHECK CRT ASS`Y
open and check
Open and check
No
No
No
Yes
Change the "D811"
Check the "Q401"
No
Change D407
Change the "Q401"
Complete
MAIN TRANS
FBT
D407 OUTPUT
TR Q401
Samsung Electronics
4-9