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Philco 71 restoration
#29

Makes sence..

I injected a 260kc tone into the grid cap of th 36 and I could hear it on my tracer and through the speaker. When I touched the cathode of the 36 tube the tone was pretty quiet, but when I put the probe on the plate it was louder.

I did take the OSC coil out and I noticed that the secondary of the outside coil is reading high.

According to riders the coil should read:

Primary Inner coil 5.2ohms
Primary outter coil 5.2ohms
Secondary of outter coil 15.7ohms

My coil reads:
Primary Inner coil 5.3ohms
Primary outter coil 5.4ohms
Secondary of outter coil 4.5Kohms

So judging from that guess its time to try my hand at rewinding the secondary (feedback) of the coil. The windings are discolored compared to the primary.

[Image: http://i1129.photobucket.com/albums/m501...0743-1.jpg]

[Image: http://i1129.photobucket.com/albums/m501...0744-1.jpg]

-Keith


Messages In This Thread
Philco 71 restoration - by ipwizard - 09-28-2011, 11:48 PM
RE: Philco 71 restoration - by ipwizard - 03-02-2012, 05:09 PM
Re: Man this thing is a nightmare - by ipwizard - 09-29-2011, 12:36 AM
Re: Man this thing is a nightmare - by ipwizard - 09-29-2011, 09:14 PM
Re: Man this thing is a nightmare - by ipwizard - 10-05-2011, 11:29 PM
Re: Man this thing is a nightmare - by Arran - 10-06-2011, 01:24 AM
Re: Man this thing is a nightmare - by rghines1 - 10-06-2011, 09:20 AM
Re: Man this thing is a nightmare - by exray - 10-06-2011, 11:41 AM
Re: Man this thing is a nightmare - by ipwizard - 10-08-2011, 09:34 PM
Re: Man this thing is a nightmare - by Marsupial - 10-08-2011, 10:52 PM
Re: Man this thing is a nightmare - by exray - 10-09-2011, 04:56 AM
Re: Man this thing is a nightmare - by ipwizard - 10-10-2011, 12:40 PM
Re: Philco 71 restoration - by ipwizard - 10-31-2011, 04:10 PM
Re: Philco 71 restoration - by 7estatdef - 10-31-2011, 07:48 PM
Re: Philco 71 restoration - by 7estatdef - 10-31-2011, 08:00 PM
Re: Philco 71 restoration - by ipwizard - 11-01-2011, 12:03 AM
Re: Philco 71 restoration - by ipwizard - 11-01-2011, 12:06 AM
Re: Philco 71 restoration - by 7estatdef - 11-01-2011, 09:58 PM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 12:03 AM
Re: Philco 71 restoration - by 7estatdef - 11-03-2011, 01:59 AM
Re: Philco 71 restoration - by codefox1 - 11-03-2011, 09:04 AM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 05:00 PM
Re: Philco 71 restoration - by 7estatdef - 11-03-2011, 05:26 PM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 05:31 PM
Re: Philco 71 restoration - by 7estatdef - 11-03-2011, 05:42 PM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 06:40 PM
Re: Philco 71 restoration - by 7estatdef - 11-03-2011, 07:39 PM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 08:38 PM
Re: Philco 71 restoration - by ipwizard - 11-03-2011, 11:29 PM
Re: Philco 71 restoration - by ipwizard - 11-04-2011, 01:33 PM
Re: Philco 71 restoration - by ipwizard - 11-30-2011, 10:56 PM
Re: Philco 71 restoration - by TA Forbes - 11-30-2011, 11:37 PM
Re: Philco 71 restoration - by TA Forbes - 12-02-2011, 08:54 PM
Re: Philco 71 restoration - by codefox1 - 12-03-2011, 10:48 AM
Re: Philco 71 restoration - by ipwizard - 12-04-2011, 02:03 PM
Re: Philco 71 restoration - by ipwizard - 12-23-2011, 03:36 AM



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