AM AND FM RADIO RECEPTION - Printable Version

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+--- Thread: AM AND FM RADIO RECEPTION (/showthread.php?tid=2746)

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AM AND FM RADIO RECEPTION - Sonnyboy - 12-22-2010

I have 3 old vintage radios, and am having a similar problem with all 3. The 2 with AM radio bands will get a strong station signal and I will be listening to the station, and then suddenly the radio will just lose the station. And, when I try to adjust the dial and get it back, no luck. Also, the one slightly newer radio that has a FM band has the same problem. When I turn it on I can hear 1 station kind of in the background with a lot of other stations (noise) in the background as well. When I adjust the dial I can still hear all these other stations until I get 1 strong station. Then after I listen for a while, the strong station will fade out and I am back to noise. I have tried multiple different antennae on all 3 units with no better results.
Is this an antenna problem, or could it be a tube, the tuning condenser....or what? Help...Thanks, Sonny

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Re: AM AND FM RADIO RECEPTION - Ron Ramirez - 12-22-2010

Have the paper and electrolytic capacitors been replaced in these radios?

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Re: AM AND FM RADIO RECEPTION - Sonnyboy - 12-22-2010

No, they have not. Do you think that is the problem? Thanks.

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Re: AM AND FM RADIO RECEPTION - Ron Ramirez - 12-22-2010

Most likely.

Those old capacitors are now 50 or more years old, and are long past their useful life expectancy.

http://www.philcoradio.com/tech/plugin.htm
http://www.antiqueradio.org/powerup.htm

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Re: AM AND FM RADIO RECEPTION - Sonnyboy - 12-22-2010

Thanks Ron.

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