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Old 07-13-2020, 11:46 AM
Jon1967us Jon1967us is offline
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Join Date: Nov 2018
Posts: 350
It looks like the converter box could be the culprit. When I run the NTSC box into it, not only is the picture more stable, but I don't see the dot pattern.

https://youtu.be/ujVDmaDpexY

https://youtu.be/U_wqz0QPc0k

Broadcast signal, once the converter box was moved away from the isolation transformer:

https://www.youtube.com/watch?v=g5vzneETsGc

https://www.youtube.com/watch?v=oIIx9Rzd29g

Last edited by Jon1967us; 07-13-2020 at 01:49 PM.
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