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Philco 42-380 Can't tune in any stations
TomasTomas
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Posts: 5
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Joined: Apr 2023
City: Manhattan State, Province, Country: NY
#1
Sad 

09-15-2023, 03:37 AM
Currently restoring a Philco 42-380 console.  Recapped, and changed out the three electrolytics.  Resistors changed also.
Crackling static across the whole dial on broadcast, and Shortwave.  Volume knob does work, but no stations at all are being pulled in.
Trouble shooting advice?

Thx

T.
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Radioroslyn
Phorum Expert
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Posts: 7,285
Threads: 268
Joined: Dec 2009
City: Roslyn Pa
#2

09-15-2023, 09:11 AM
Two things for starters. Check to see that all of the heaters are lit. The second is measure the plate and screen grid voltage on all the tubes. Compare it against the voltages listed on the schematic. Should be within about 20% or so. 

Next step you'll need a signal generator. Then we can see which stages are passing a rf signal.

Part26-Philco 1942 RMS Year Book.pdf (philcoradio.com)
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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  1. The PHILCO Phorum
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  3. Philco Electronic Restoration