The Fisher 440-T FM Receiver

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The Fisher 440-T FM Receiver

PhilcoMike
Member

Posts: 244
Threads: 11
Joined: Oct 2011
City: Black Mountain, NC

#67

03-03-2015, 03:37 PM

I agree this smells like a power supply problem. Check the 36V and 46V supplies with and without speakers attached. Looks like any loading is causing major voltage sags and imbalanced audio output from the push/pull output transistor setup.

Good luck

Mike

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The Fisher 440-T FM Receiver - by Ron Ramirez - 03-01-2014, 10:51 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-01-2014, 10:54 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-01-2014, 11:00 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-01-2014, 11:08 PM

RE: The Fisher 440-T FM Receiver - by skyscraper - 03-01-2014, 11:13 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-01-2014, 11:18 PM

RE: The Fisher 440-T FM Receiver - by skyscraper - 03-01-2014, 11:26 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-02-2014, 09:37 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-02-2014, 08:08 PM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-02-2014, 10:22 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-02-2014, 10:26 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-02-2014, 10:34 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 10:10 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 11:08 AM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-03-2014, 11:20 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 12:54 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-03-2014, 01:17 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 01:28 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2014, 01:51 PM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-03-2014, 02:46 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 04:25 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2014, 04:48 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 04:51 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-03-2014, 05:16 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 06:50 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 06:51 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-03-2014, 07:21 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2014, 09:53 PM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-03-2014, 10:56 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-03-2014, 11:39 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-04-2014, 10:53 AM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-04-2014, 11:14 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-04-2014, 07:58 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-10-2014, 08:45 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 05:53 AM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-13-2014, 10:09 AM

RE: The Fisher 440-T FM Receiver - by morzh - 03-13-2014, 10:21 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 04:40 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-13-2014, 06:05 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 07:01 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-13-2014, 08:05 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 08:08 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 08:10 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-13-2014, 08:36 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 08:37 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 08:43 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-13-2014, 08:50 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-13-2014, 08:55 PM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-13-2014, 09:07 PM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-13-2014, 10:12 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-15-2014, 10:07 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-15-2014, 11:22 AM

RE: The Fisher 440-T FM Receiver - by Mondial - 03-15-2014, 11:34 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-15-2014, 12:16 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-15-2014, 06:35 PM

RE: The Fisher 440-T FM Receiver - by BrendaAnnD - 03-15-2014, 09:01 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-15-2014, 10:39 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-16-2014, 03:41 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 10-04-2014, 10:34 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 02-20-2015, 11:33 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 02-26-2015, 10:12 AM

RE: The Fisher 440-T FM Receiver - by morzh - 02-26-2015, 12:09 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 02-26-2015, 09:05 PM

RE: The Fisher 440-T FM Receiver - by morzh - 02-26-2015, 11:17 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2015, 12:46 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 01:07 PM

RE: The Fisher 440-T FM Receiver - by PhilcoMike - 03-03-2015, 03:37 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2015, 03:42 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 04:19 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 04:43 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2015, 09:56 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 10:39 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2015, 10:46 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 10:52 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 10:57 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-03-2015, 11:04 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-03-2015, 11:12 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-04-2015, 11:03 AM

RE: The Fisher 440-T FM Receiver - by PhilcoMike - 03-04-2015, 12:50 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-04-2015, 02:21 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-04-2015, 02:36 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-04-2015, 02:44 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-04-2015, 06:41 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-04-2015, 06:44 PM

RE: The Fisher 440-T FM Receiver - by PhilcoMike - 03-06-2015, 02:17 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-06-2015, 02:50 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-11-2015, 02:49 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-11-2015, 03:44 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-11-2015, 03:58 PM

RE: The Fisher 440-T FM Receiver - by morzh - 03-11-2015, 06:46 PM

RE: The Fisher 440-T FM Receiver - by codefox1 - 03-14-2015, 10:26 AM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-14-2015, 10:15 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-17-2015, 08:34 PM

RE: The Fisher 440-T FM Receiver - by PhilcoMike - 03-18-2015, 01:17 PM

RE: The Fisher 440-T FM Receiver - by Ron Ramirez - 03-18-2015, 01:53 PM

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