11-15-2013, 10:41 PM
That radio combo unit is a curious design, I believe it uses a tube based, full wave, voltage doubler like a 50X6/50Y6. Since it's a transformerless set (not an AC/DC because of the doubler) about the worst that could have happened was a capacitor blowing up, or a resistor burning up.
Regards
Arran
Regards
Arran