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Old 06-13-2012, 11:34 PM
bandersen's Avatar
bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,813
Thanks for the tip. I found the fault at the grid of the 2nd stage. That bare wire should be soldered to the coil lug next to it


I made the repair and fired it up again. It's much louder now and the volume control definitely has an effect.
I can't cut the volume down to zero for strong local stations though.
Also if I turn the volume up loud, the set starts oscillating then cuts out altogether.

I've never operated a set like this before so I'm not sure if that's normal or I should keep tinkering.
There's an RF compensating I can fiddle with and I could replace the original caps on the RF coils and detector with modern micas
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Last edited by bandersen; 06-14-2012 at 01:44 AM.
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