Quote:
Originally Posted by dieseljeep
Sorry! Your statement regarding the horizontal output tube, being the oscillator is incorrect. The set uses a 6CG7 and a 12BQ6, horizontal output.
That model has always been tricky to trouble shoot in that circuit. There was two different variations in that circuit. One used the diodes and a 3AU6 audio IF tube and the earlier run used a 5AN8, for the audio and the triode side used as the horizontal AFC. I don't remember getting one of those sets working really perfect.
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Agreed on the out put and osc being different tubes. There were 2-3 versions of this chassis. Not only were there ones with tube vs diode horiz AFC, the osc tube was different among them. One verion (IIRC the later one) used a 7AU7 as the H osc.