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what happend to my radio
denver
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#1

01-11-2010, 08:51 PM
My model 111 was working fine .Now when i turned it on 80 tube got red fried 70 ohm wire wound resistor. What went wrong? Denver Icon_idea Icon_rolleyes Icon_confused:
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Radioroslyn
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#2

01-11-2010, 09:30 PM
Sound like one of your power supply filter caps shorted. When you replaced them what voltage rating did you use? Should be 450v or better.
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
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denver
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#3

01-12-2010, 12:40 PM
Iused 630v. Found problem a little piece of wire was touching between 11 &10 terminals on condenser block. Where could i find a wire wound resistor?
Could i replace it with something else?
Thanks Denver
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Ron Ramirez
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#4

01-12-2010, 03:07 PM
I assume you are talking about that dual (two section) resistor, 70 ohms each section, which is mounted to the chassis.

I suggest replacing the unit with two 68 ohm, 5 watt resistors. It is a bias resistor, it should not see a whole lot of current.
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Ron Ramirez
Ferdinand IN
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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration