Goes Dead, Philco 45

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Goes Dead, Philco 45

marty
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Posts: 240
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Joined: Jun 2013
City: Boulder, Colorado

#31

09-13-2013, 06:12 PM

Hi All;
Thank You Brenda Ann, So far here is what I have found so far.. This round.. I like the Thinking that Brenda is leaning toward.. Also, yes the Dial lamp is quite dirty, but untill I can dis-assemble the tuning mechanism, I can't get to it for now..
It went about 5 minutes before it popped.. I checked the middle of the Volume control both before and after it went pop.. The before I got a Humm, after Nothing..
I re-checked the Filaments on the 42 Tube before and after the pop with my meter set manually.. It reads 5.85 to 5.89 Volts on AC.. No change after the pop.. The lamp is still lit after the pop..
I have a Large Bog Bone resistor, that gets warm, not hot but warm.. it is a 32K ohm R57, it shows 89 V on one side and 290 on the other side, before the pop.. When it pops the voltages on that resistor jump up to 97 volts and 320 volts..
And what Brenda Ann says about a B+ short makes sense, just have to find what or where.. I think once we find it, it will be one of those Homer Simpson moments..
I am leaning toward a Resistor that changes value after warming up or a cold solder joint..
Unfortunately, to get to the sockets, there are two retangular plastic boards that most of the Resistors and Capacitors are mounted to, that have to be unwired to move these holding boards out of the way to get to four of the Tube sockets.. And I don't want to unwire these boards just to get to the scokets.. I guess, I will need to follow each Socket pin to a connection on one of the Boards and check voltages that way, unless anyone has another suggestion..
http://www.nostalgiaair.org/Resources/582/M0013582.htm
THANK YOU Marty

(This post was last modified: 09-13-2013, 06:15 PM by marty.)

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Goes Dead, Philco 45 - by marty - 09-11-2013, 12:38 PM

RE: Goes Dead, Philco 45 - by codefox1 - 09-11-2013, 12:54 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 01:06 PM

RE: Goes Dead, Philco 45 - by morzh - 09-11-2013, 01:47 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 02:09 PM

RE: Goes Dead, Philco 45 - by Warren - 09-11-2013, 02:52 PM

RE: Goes Dead, Philco 45 - by morzh - 09-11-2013, 02:59 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 03:29 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 04:22 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 05:05 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 06:28 PM

RE: Goes Dead, Philco 45 - by morzh - 09-11-2013, 07:50 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-11-2013, 07:53 PM

RE: Goes Dead, Philco 45 - by BrendaAnnD - 09-11-2013, 08:10 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-11-2013, 08:31 PM

RE: Goes Dead, Philco 45 - by morzh - 09-11-2013, 08:50 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 10:23 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-11-2013, 10:55 PM

RE: Goes Dead, Philco 45 - by marty - 09-11-2013, 11:06 PM

RE: Goes Dead, Philco 45 - by morzh - 09-12-2013, 09:28 AM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 11:56 AM

RE: Goes Dead, Philco 45 - by BrendaAnnD - 09-13-2013, 12:17 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 12:27 PM

RE: Goes Dead, Philco 45 - by morzh - 09-13-2013, 01:59 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 02:04 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 03:06 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 03:18 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 03:53 PM

RE: Goes Dead, Philco 45 - by morzh - 09-13-2013, 03:59 PM

RE: Goes Dead, Philco 45 - by BrendaAnnD - 09-13-2013, 05:29 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 06:12 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 06:43 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 06:56 PM

RE: Goes Dead, Philco 45 - by Mondial - 09-13-2013, 06:57 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 07:04 PM

RE: Goes Dead, Philco 45 - by Radioroslyn - 09-13-2013, 07:31 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 07:35 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 07:39 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 07:52 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 07:57 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 08:04 PM

RE: Goes Dead, Philco 45 - by Mondial - 09-13-2013, 08:10 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 08:12 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 08:19 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 08:23 PM

RE: Goes Dead, Philco 45 - by Radioroslyn - 09-13-2013, 08:32 PM

RE: Goes Dead, Philco 45 - by BrendaAnnD - 09-13-2013, 08:41 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 08:48 PM

RE: Goes Dead, Philco 45 - by BrendaAnnD - 09-13-2013, 08:56 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 09:17 PM

RE: Goes Dead, Philco 45 - by marty - 09-13-2013, 10:47 PM

RE: Goes Dead, Philco 45 - by jerryhawthorne - 09-13-2013, 11:04 PM

RE: Goes Dead, Philco 45 - by Radioroslyn - 09-14-2013, 07:01 AM

RE: Goes Dead, Philco 45 - by marty - 09-14-2013, 09:14 AM

RE: Goes Dead, Philco 45 - by Mondial - 09-14-2013, 09:23 AM

RE: Goes Dead, Philco 45 - by marty - 09-14-2013, 09:42 AM

RE: Goes Dead, Philco 45 - by Radioroslyn - 09-14-2013, 07:24 PM

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