philco 42-1012

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philco 42-1012

Arran
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Posts: 4,621
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City: Sandwick, BC, CA

01-25-2013, 02:00 AM

Check the plate resistor of the 1st audio second detector tube, those sometimes go up in value or go open. Another possibility may be improper bias on one of the tubes, but a bad output transformer is a common problem in these early 40s Philcos.
Regards
Arran

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Messages In This Thread

philco 42-1012 - by murf - 01-05-2013, 11:21 PM

RE: philco 42-1012 - by TA Forbes - 01-06-2013, 01:41 AM

RE: philco 42-1012 - by shawn - 01-16-2013, 08:48 PM

RE: philco 42-1012 - by murf - 01-16-2013, 09:00 PM

RE: philco 42-1012 - by TA Forbes - 01-16-2013, 09:02 PM

RE: philco 42-1012 - by murf - 01-16-2013, 10:33 PM

RE: philco 42-1012 - by murf - 01-24-2013, 10:53 PM

RE: philco 42-1012 - by TA Forbes - 01-24-2013, 11:44 PM

RE: philco 42-1012 - by Arran - 01-25-2013, 02:00 AM

RE: philco 42-1012 - by murf - 01-27-2013, 05:13 PM

RE: philco 42-1012 - by Electrothaumaturgist - 01-30-2013, 03:54 PM

RE: philco 42-1012 - by Arran - 01-30-2013, 09:24 PM

RE: philco 42-1012 - by murf - 01-30-2013, 09:45 PM

RE: philco 42-1012 - by codefox1 - 01-31-2013, 01:06 PM

RE: philco 42-1012 - by murf - 01-31-2013, 05:19 PM

RE: philco 42-1012 - by Electrothaumaturgist - 01-31-2013, 08:02 PM

RE: philco 42-1012 - by murf - 01-31-2013, 08:14 PM

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