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Antique Radio Technical Forum
odd molded mica capacitor code

Posted by Dave Froehlich on 02/27/2004 11:59

Chuck,
This set has zero reception. Amplifier is quite alive and so is the detector. I have replaced all paper and filter capacitors. I have checked all voltages and they are correct. All resistors are correct. Everything is connected to where it's supposed to be connected to. No coils are open. Tubes are all good. I have tried to get to the band switch the best I can to clean it, although it seems to be OK. There are no plates in the tuning capacitor that are touching. Where do I look next?
This is extremely frustrating.

Thanks,

Dave...
Philco 37-610 Code 125
I have the service data.

::Hello All,
::This is in a Philco 37-610. I am supposed to have 110pf capacitors. Two are marked yellow-brown-blue. This makes no sense. That would be 41,000,000 pf or 41 microfarads. Is there another color code for molded capacitors? The only other one I know of is with two dots on each side. This is definitely not the case. These are three color dots along an arrow, just the way they're supposed to be.
::
::If anyone wants, I will post a picture of them. (Where can I do that?)
::If anyone can help, please do. Otherwise, I'm replacing them.
::
::
::Thanks,
::
::Dave...
:
:Dave,
:
:Mica caps usually do not have to be replaced - they rarely go bad. It's the wax-paper, bakelite block and metal-can caps that you must replace.
:
:Chuck


odd molded mica capacitor code 
Dave Froehlich 02/27/2004 02:07 
Chuck Schwark 02/27/2004 09:16 
Chuck Schwark 02/27/2004 09:18 
Dave Froehlich 02/27/2004 11:03 
Dave Froehlich 02/27/2004 11:59 
Chuck Schwark 02/27/2004 15:11 
Dave Froehlich 02/28/2004 21:13 

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