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Dan Middleton
CVRS Member

One or both electrolytics May have shorted under the B+ voltages. If you don’t have a leakage tester connect the capacitor to a source of high B+ through a 10k resistor. The voltage across the capacitor should be the same as your B+. Any lower and the capacitor is bad.
When working on a radio I keep a 40 watt lamp in series with it. If the lamp lights up bright there is a problem and the lamp limits the current to protect the radio.