sx-939 receiver

So I've been wrenching on a SX-939 that I picked up a couple of weeks ago. After recapping it and fixing the issue with circuit protection relay clicking on, I've been listening to it quite a bit. I've noticed that I'm having issues with the input selector switches. I thought I hit them with...

Hello, AK Land, I just finished up recapping (and retransistoring, and redioding) my dad's old SX-939 he and I bought locally off Craigslist four or five years ago. Five years ago? We might as well be living in another world now, LOL. I bought three kits off eBay from a seller who refers his...