Definitely do not connect anything to the chassis.
Quote:
Originally Posted by Zsuttle
Yes, I recognise that the B++ power supply doesn't use any, however upstream in the audio circuit, the electrolytics are getting blown because they connect to the B++
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Ah, that's weird. What caps do you mean exactly? There are two electrolytics in the audio circuit and neither goes to B++.
If you mean the 20uF cathode bypass on the audio output tube, it should only have about 9 volts across it. Perhaps that 25L6 has a short or is miss wired ?
The other is a 10uF in the FM ratio detector that should only have a few volts across it as well.