Where's the issue(s) causing these

[TinCanAlley]

So I got the thermistor replaced and it does a better job degaussing, but I'll have to cycle it a number times to see if it's enough.

I started running though some test patterns and noticed two things disturbing. I'm attaching some pictures. In the first pic you can see the upper left dip down. I have not idea how to fix this and it's not noted in the service manual.

In the second and third pics, there is some issue with displaying the white lines of the grid. I know the convergence is a bit off, but this doesn't seem tied to that. There are color bands to the left and right of the lines and they appear as though their in motion (from bottom to top). Again, the service manual makes not mention of such and issue.

I really want to get the set up and going, but every time I turn around there's another issue or two to address.

Thanks for all the help.