I'm not an expert but since no one has responded yet, I'll try to help.
I used to own a '271a a few years back and had the same problem. As I understand it, bad caps is a problem common to all of the 271/471 series rigs. When I had mine repaired, the standard "fix" was to replace
all of the caps.
The fix worked for me, and it was doing fine when I later sold the rig. I used Malcolm Tech service. Good job, and a fair price.
http://www.angelfire.com/biz2/mts/Good luck, and enjoy your rig!
73
Dan
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