12-13-2013, 06:22 PM
Okay, mystery cap removed.
http://www.philcoradio.com/tech/images/90a.jpg
Now, since you own a 90 with dual 45 outputs (and I don't), you are saying that your 90 did not have the "mystery" cap in it? I just wanted to confirm that point. It actually made sense to me that there would be a plate bypass cap along the B+ line which feeds the plates of the RF, 1st det. and IF tubes. But if it isn't there, then it shouldn't be on the schematic...
http://www.philcoradio.com/tech/images/90a.jpg
Now, since you own a 90 with dual 45 outputs (and I don't), you are saying that your 90 did not have the "mystery" cap in it? I just wanted to confirm that point. It actually made sense to me that there would be a plate bypass cap along the B+ line which feeds the plates of the RF, 1st det. and IF tubes. But if it isn't there, then it shouldn't be on the schematic...
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Ron Ramirez
Ferdinand IN