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I am starting to see that the power supply was the weak link in the old RCA's. I have two with that basic chassis and both had major power supply problems. My TC-127 transformer problem is not over yet. Bill's comments about the B+ resistor being a weak spot made me wonder about my set. In my case though I have disconnected the secondary leads and still have a howling trans which should rule out the B+ resistor being the culprit. Nothing is hooked up but the primary circuit. Minus A.C. line caps.
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