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Philco 76 questions
#5

Hi Steve and welcome,

https://philcoradio.com/library/images/schem/76.jpg

Wouldn't use electrolytic caps to replace the foil/ paper in this power supply. The ripple current will cause the input cap at least to short damaging the 80 tube. Just replaced one in my 87 w/a film. Use polyfilm caps they don't care about ripple current. Stick to the noted values of the caps. Increasing the value can cause a significant increase in the hv.

>First, The radio has no volume output.

If the speaker isn't make any noises unplug it from the chassis. Use your ohm meter and measure the resistance between two pins on it plug. Should see less than 4000 ohms any of them. If any two show no resistance then there is a problem.

GL w/your new project!


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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 76 questions - by steve_mahlberg - 10-05-2020, 05:36 PM
RE: Philco 76 questions - by RodB - 10-05-2020, 06:44 PM
RE: Philco 76 questions - by chalupa13 - 10-05-2020, 07:07 PM
RE: Philco 76 questions - by morzh - 10-05-2020, 08:40 PM
RE: Philco 76 questions - by Radioroslyn - 10-05-2020, 08:53 PM
RE: Philco 76 questions - by Stan the Man - 10-18-2020, 10:20 AM



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