[old_tv_nut]

Originally Posted by mano1

Thanks for the input

Good to know re: not a parts replacement issue

Since I posted, I’ve been saving videos talking about convergence strips and magnets, to correct similar issues. These helped me understand a lot about the subject.

Good idea re: different source. I will try a video source

Yeah, if you still have black borders on a regular video source, then there is a problem.