Zenith Chromacolor II - chassis 17EC45

[starstuff]

Hi all,

I recently picked up this oldie/goodie and I figured I would get some input from the fine folks here.

I noticed when I have my NES hooked up the picture is vertically off (I'm at work but I think it was too high up, I'll check again when I get home and update the post). I was wondering if this is a voltage regulation issue, if I need to adjust the deflection yoke, or if there might be a pot I'm not seeing that could do the trick.

This guy has a ton of external pots, which is really nice, but nothing like "vertical position" that I see inside or out. I wasn't able to find much info or any schematics. Any info about this set is appreciated! (Sorry for picture quality and dust)

Pictures - https://imgur.com/a/DzRQARZ