116B (121) won't fly

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116B (121) won't fly

Radioroslyn
Phorum Expert

Posts: 7,225
Threads: 266
Joined: Dec 2009
City: Roslyn Pa

#7

05-08-2016, 06:48 PM

So if you apply a 460kc signal to the grid cap the 77 mixer tube do you get a good loud signal from the spkr??
If not peak IF trimmers for max audio output. If that doesn't help much check voltages around the mixer and IF amp tubes. You may have a bad resistor causing low voltage on one or more of these stages.

Terry

(This post was last modified: 05-08-2016, 06:49 PM by Radioroslyn.)

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Messages In This Thread

116B (121) won't fly - by Danny - 05-05-2016, 02:09 PM

RE: 116B (121) won't fly - by morzh - 05-05-2016, 02:42 PM

RE: 116B (121) won't fly - by Danny - 05-05-2016, 05:35 PM

RE: 116B (121) won't fly - by morzh - 05-05-2016, 07:28 PM

RE: 116B (121) won't fly - by Danny - 05-06-2016, 08:34 AM

RE: 116B (121) won't fly - by Danny - 05-08-2016, 05:43 PM

RE: 116B (121) won't fly - by Radioroslyn - 05-08-2016, 06:48 PM

RE: 116B (121) won't fly - by Danny - 05-09-2016, 10:10 AM

RE: 116B (121) won't fly - by morzh - 05-09-2016, 10:57 AM

RE: 116B (121) won't fly - by Danny - 05-09-2016, 03:32 PM

RE: 116B (121) won't fly - by morzh - 05-09-2016, 04:52 PM

RE: 116B (121) won't fly - by Danny - 05-10-2016, 10:10 AM

RE: 116B (121) won't fly - by morzh - 05-10-2016, 10:36 AM

RE: 116B (121) won't fly - by Radioroslyn - 05-10-2016, 01:42 PM

RE: 116B (121) won't fly - by Danny - 05-16-2016, 02:41 PM

RE: 116B (121) won't fly - by Danny - 05-20-2016, 09:04 AM

RE: 116B (121) won't fly - by morzh - 05-20-2016, 09:22 AM

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