I finally knocked a radio off my repair list. The TS-700S gave out during the ARRL January VHF Sweepstakes. It turns out that most of the problems were due to bad connections internally. I hit the heterodyne crystals and their sockets with contact cleaner and reflowed a few joints. I may yet fix the LNA, but with 10 watts, I haven’t had too much trouble being an aligator.