06-05-2013, 11:57 AM
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
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
Lake in the Hills, IL
Member: Philco Phorum, ARF, ARCI & Radiomuseum.org