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Philco 71 restoration
#26

Since you gone this far while you've got the generator out put a 260kc modulated signal to the cap of the 36 tube. At this point you should be able to do the IF alignment. You may want to jumper the feedback coil, if it is open it will limit the amount of gain the 36 tube. All this will confirm if all the other stuff is working after the mixer.
Terry

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry


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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