01-11-2020, 03:54 PM
Hi Scott and welcome to the Phorum,
I would roll w/what I've got. You didn't mention if it's a 71B or two spkr console. You can find the shadow meter installation here: http://www.nostalgiaair.org/pagesbymodel...013836.pdf Just redraw the schematic w/it added in. All the other stuff would use the 121 or 221 schematic depending on the # of spkrs. Would verify the IF frequency. Philco used a couple different one around that time period just to be sure.
The worst part of redoing the sm is getting apart and all the wire off the bobbin. Winding isn't hard you just have to be careful.
I would roll w/what I've got. You didn't mention if it's a 71B or two spkr console. You can find the shadow meter installation here: http://www.nostalgiaair.org/pagesbymodel...013836.pdf Just redraw the schematic w/it added in. All the other stuff would use the 121 or 221 schematic depending on the # of spkrs. Would verify the IF frequency. Philco used a couple different one around that time period just to be sure.
The worst part of redoing the sm is getting apart and all the wire off the bobbin. Winding isn't hard you just have to be careful.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got it!
Terry
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