RCA 8X71-Hum

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RCA 8X71-Hum

Eric Adams
Phorum Expert

Posts: 825
Threads: 113
Joined: Aug 2012
City: The Villages State, Province, Country: Florida

06-05-2013, 12:57 PM

I've got a strange one. All electrolytic and wax caps replaced. Resistors replaced as necessary. Tubes tested. Set aligned on both AM and FM.
The problem is that I get a hum on AM only and only when on a station. In between stations on AM is silent as well as FM.
Any thoughts?

Thanks,
Eric
Schematic:
http://www.nostalgiaair.org/Resources/251/M0015251.htm

Eric
The Villages, FL
Member: Philco Phorum, ARF, ARCI & Radiomuseum.org

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Messages In This Thread

RCA 8X71-Hum - by Eric Adams - 06-05-2013, 12:57 PM

RE: RCA 8X71-Hum - by BrendaAnnD - 06-05-2013, 04:39 PM

RE: RCA 8X71-Hum - by codefox1 - 06-05-2013, 06:17 PM

RE: RCA 8X71-Hum - by Eric Adams - 06-06-2013, 02:27 AM

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