Thanks guys. I just got done with a partial recapping on the MR80. I changed out all electrolytic capacitors on the 2 power supply boards, the control logic & tuning board, the digital counter board, and the headphone amp & turn-on delay board. I even found two coveted Blackgate caps in my stash that replace a pair of cheepo caps in the signal path.
I did find a design issue as well. It seems they used a 40 volt filtering cap that's actually running at 43 volts.
Of course, I had a little Murphy's law incident, but thankfully I was able to repair my mistake. It's tedious work and while I think the result are not very noticeable sonically, they should keep the tuner working for the rest of my lifetime.
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