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Philco 90 part #30 Capacitor can leads
k9uw
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#1

05-20-2022, 11:27 PM
Hello, everyone. I'm working on a Philco 90 (single #47). Part #30 is a metal can multi-capacitor containing a 1.0 uf (black lead), .25 uf (white lead) and .1 uf (green lead). Naturally, all 3 wires and now black, no longer connected to anything and appear to have been cut so their original length is unknown. The schematic identifies locations for 3 capacitors with the part number of "30" but does not reveal which value goes where. How do I determine which is which?
Mike, K9UW
Amherst, WI
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klondike98
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#2

05-21-2022, 12:10 AM
See the annotated early schematic for your version of the 90 (scroll to the 1931 schematics) in our library.  https://philcoradio.com/library/index.php/service-info/early-schematics/

It shows and labels the 3 sections of the #30 capacitor.
Cheers,
Bob
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k9uw
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#3

05-21-2022, 09:51 AM
Thanks, Bob!

Amazing what a difference a bit of information makes in a project.
Mike, K9UW
Amherst, WI
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radiorich
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#4

05-21-2022, 08:20 PM
Hello Mike,
I sure do help getting the right information !

Sincerely Richard
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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration