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Mitchell 1264 Issues
#1

Hello,
I have aMitchelll 1264 that I acquiredd while waiting on my Philco 42-340 to come in. The guy that gave it to me said all it did was buzz when plugged in. It came without the Masonite backing/antenna. I cannibalized one from a junk Philco I had and wired it in. I took it home, got the schematic from:

http://www.nostalgiaair.org/Resources/952/M0010952.htm

It is a four tube model. I replaced all the caps (sans one Ceramic cap - Cap 8 ), and most all the buzz went away. The problem I have now is it has bigtime static. I can get two stations, one at 970, one at 1400, but they are weak and well into the noise (static noise). The only other thing I noticed is there is virtually no noise or stations on the lower end, and there are approximately 4 areas from low end to high end that buzz loudly, sort of like a resonance thing. I replaced the tubes one at a time to make sure it wasn't one of those, with no change (except one 50C5 tube was somewhat brighter than the other). The resistors seem to check within spec. The "replacement" antenna ohms good, and I used new wires from the variable capacitor to the antenna, and double checked my solder joints. Can anyone steer me in the right direction here? I can take a video of it in operation if needed. I got the clock working good and would like to keep this one going. BTW, I am a newbie at this, and its been 30 years since I repaired my last TV so I'm kinda green here. Tim

A 55-Gallon Drum and a Shovel can solve many of life's little "Irritants"


Messages In This Thread
Mitchell 1264 Issues - by propflux01 - 01-27-2013, 12:20 PM
RE: Mitchell 1264 Issues - by 7estatdef - 01-27-2013, 10:09 PM
RE: Mitchell 1264 Issues - by propflux01 - 01-27-2013, 11:24 PM
RE: Mitchell 1264 Issues - by rghines1 - 01-28-2013, 07:19 PM
RE: Mitchell 1264 Issues - by propflux01 - 01-29-2013, 11:11 AM
RE: Mitchell 1264 Issues - by 7estatdef - 01-29-2013, 06:04 PM
RE: Mitchell 1264 Issues - by rghines1 - 01-29-2013, 07:29 PM
RE: Mitchell 1264 Issues - by propflux01 - 01-29-2013, 10:55 PM
RE: Mitchell 1264 Issues - by 7estatdef - 01-30-2013, 09:24 AM
RE: Mitchell 1264 Issues - by propflux01 - 01-31-2013, 01:29 PM
RE: Mitchell 1264 Issues - by rghines1 - 01-31-2013, 08:03 PM
RE: Mitchell 1264 Issues - by propflux01 - 02-01-2013, 08:01 PM
RE: Mitchell 1264 Issues - by rghines1 - 02-02-2013, 11:28 AM
RE: Mitchell 1264 Issues - by propflux01 - 02-02-2013, 05:01 PM
RE: Mitchell 1264 Issues - by rghines1 - 02-02-2013, 08:37 PM
RE: Mitchell 1264 Issues - by propflux01 - 02-03-2013, 10:50 PM
RE: Mitchell 1264 Issues - by propflux01 - 02-04-2013, 04:49 PM
RE: Mitchell 1264 Issues - by rghines1 - 02-04-2013, 05:35 PM
RE: Mitchell 1264 Issues - by propflux01 - 02-04-2013, 06:26 PM
RE: Mitchell 1264 Issues - by rghines1 - 02-04-2013, 08:26 PM



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