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Westinghouse H-303P4,
Radioroslyn
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Posts: 7,303
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Joined: Dec 2009
City: Roslyn Pa
#4

07-15-2019, 05:47 PM
Maybe a weak 1R5. Also check the connect to the loop ant.
R-20 is a voltage divider which drops the the B+ down to make the filament. Check it's value they can run hot and change value. If it's ok then play w/that resistor that is in series w/the si diode. Lower the value till the filament is @ 1.5v or so.

GL
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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Messages In This Thread
Westinghouse H-303P4, - by Eric - 07-15-2019, 03:31 PM
RE: Westinghouse H-303P4, - by Radioroslyn - 07-15-2019, 04:03 PM
RE: Westinghouse H-303P4, - by Eric - 07-15-2019, 05:34 PM
RE: Westinghouse H-303P4, - by Radioroslyn - 07-15-2019, 05:47 PM
RE: Westinghouse H-303P4, - by Eric - 07-16-2019, 04:11 PM
RE: Westinghouse H-303P4, - by Radioroslyn - 07-17-2019, 07:26 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)