Alright I picked up a cheap 2600 jr at Portland retro gaming expo last weekend and I'm cleaning it up gonna see if it works.

I have it apart and I noticed that there's a 7805 in the bottom left corner hanging out over the ground plane, designation VR1. It looks like it should have been soldered down to ground plane with the back plate on it.

Should it be or not really?
I don't see it generating much heat so maybe that's why?

If it wasn't originally soldered down so you think it would harm it if I soldered it down? kinda in hopes to eliminate interference almost all 2600s have.

I have to re flow allot of points on this system, must have been a bad day for who ever in Taiwan made this because all ports and switches have cold solder or broken joints and most of the resistor clusters are cold aswell, thankfully the ICs are looking ok....... so far