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philco 90 bakelite caps
ckc
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#1

06-12-2007, 09:37 PM
in the philco 90 ( with 1 type 47 tube ) the part 28 and 23 bakelite caps have three terminals besides the ground is there two or three caps in these and how is it wired ? any help would be appreciated
Texasrocker
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#2

06-13-2007, 12:53 AM
Hello! Check the tech-section of this website ( Philco Repair Bench- Philco part values ) and click on bakelite condenser data provided there. You will need the orig part # located on the side of your condenser to match up with the diagrams provided. The diagrams will provide the info you are seeking. Good luck with your Philco restoration!! Icon_biggrin
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Chuck Schwark
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#3

06-13-2007, 09:05 AM
Actually, that my website, The Philco Repair Bench, not this website, although we are site partners. ;)

Chuck
Chuck Schwark,
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ckc
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#4

06-13-2007, 11:22 AM
i did see it listed with the number 3903 it did not have the letter m the schematic had i guess it is not wired at all to the screw terminal i saw the number 23 0nly once on the schematic i guess though it contains two capacitors
planigan
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#5

06-13-2007, 06:49 PM
ckc, part #s 23 &28 are 3903M and 3903P respectively. Each has one .01mfd, 600V cap. 3903M has cap between terminals 4-8 and 3903P has cap between terminals 2-7. Neither cap is grounded, they are by-pass caps. PL
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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration