Got my TR-35 out last night to check it out for an expected POTA activation this weekend, and found that the band switch would not change bands. It was stuck on 20 meters. Opened it up and visually checked the solder connections on the band switch. They looked fine but I reheated them and added a little dab of solder. And Viola! The band switch works again.
I considered reheating all the switch terminals while I was in there, but decided "If it ain't broke, don't fix it".
Just offering the experience I had in case someone else runs into the same problem.
72,
Don, K9DRP