Work on the Philco 39-30 has begun

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Work on the Philco 39-30 has begun

Mondial
Phorum Expert

Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY

#23

04-21-2015, 05:05 PM

The audio coupling cap is marked 35 on the schematic. It is a .01 uF tubular wax cap, connected from the triode plate of the 75 tube (Pin 2) to the control grid of the 41 output tube ( pin 4).

If this cap is leaky it could be causing your overheating problem, so definitely replace it.

http://www.nostalgiaair.org/PagesByModel...013289.pdf

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Messages In This Thread

Work on the Philco 39-30 has begun - by TheUniversalDave1 - 03-13-2015, 10:00 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 03-13-2015, 10:02 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-18-2015, 07:01 PM

RE: Work on the Philco 39-30 has begun - by Radioroslyn - 04-18-2015, 08:41 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-18-2015, 09:11 PM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-19-2015, 07:28 AM

RE: Work on the Philco 39-30 has begun - by Radioroslyn - 04-19-2015, 08:42 AM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-19-2015, 09:54 AM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-19-2015, 10:15 AM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-19-2015, 10:44 AM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-19-2015, 10:54 AM

RE: Work on the Philco 39-30 has begun - by Eliot Ness - 04-19-2015, 04:11 PM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-19-2015, 11:35 AM

RE: Work on the Philco 39-30 has begun - by sam - 04-19-2015, 11:44 AM

RE: Work on the Philco 39-30 has begun - by Radioroslyn - 04-19-2015, 04:01 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-20-2015, 10:09 PM

RE: Work on the Philco 39-30 has begun - by Eliot Ness - 04-21-2015, 08:37 AM

RE: Work on the Philco 39-30 has begun - by morzh - 04-20-2015, 10:35 PM

RE: Work on the Philco 39-30 has begun - by Mondial - 04-20-2015, 11:04 PM

RE: Work on the Philco 39-30 has begun - by Arran - 04-21-2015, 02:41 AM

RE: Work on the Philco 39-30 has begun - by GarySP - 04-21-2015, 08:57 AM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-21-2015, 04:17 PM

RE: Work on the Philco 39-30 has begun - by Mondial - 04-21-2015, 05:05 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-21-2015, 05:30 PM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-21-2015, 07:10 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-21-2015, 07:16 PM

RE: Work on the Philco 39-30 has begun - by klondike98 - 04-21-2015, 07:40 PM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-21-2015, 07:59 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-21-2015, 08:09 PM

RE: Work on the Philco 39-30 has begun - by Nick3092 - 04-21-2015, 10:51 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-22-2015, 06:38 PM

RE: Work on the Philco 39-30 has begun - by Radioroslyn - 04-22-2015, 07:54 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-24-2015, 05:24 PM

RE: Work on the Philco 39-30 has begun - by Raleigh - 04-25-2015, 01:36 PM

RE: Work on the Philco 39-30 has begun - by TheUniversalDave1 - 04-25-2015, 01:57 PM

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