United Motors Delco 1107

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United Motors Delco 1107

Post by Ben Delk on Wed May 23, 2012 11:30 am

http://www.servimg.com/image_preview.php?i=9&u=17421296
http://www.servimg.com/image_preview.php?i=10&u=17421296

New one on me. I have a Delco 1107 tabletop, I removed a cap I have not seen before.
Rating is .03x.006 mfd. It has leds on each end and what appears to be a grounding strap around it which is soldered to one of 4 pots.
One pot is (left)on\off\volume, (middle lower)one is bandswith, (middle upper) tuning), the fourth is where this cap connects. What is the 4th pot and what cap is used to replace it?

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Re: United Motors Delco 1107

Post by Bill Cahill on Wed May 23, 2012 1:14 pm

That's two different caps going to ground. They are bypass caps.
I have seen Crosley cathedral radios with .05X2 used as bypass to ground.
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Re: United Motors Delco 1107

Post by Ben Delk on Wed May 23, 2012 2:23 pm

Thanks Bill.....
So there's a .03mfd\400vdc and .006mfd\400vdc...are we talking Safety / Interference Suppression Capacitors here?
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Re: United Motors Delco 1107

Post by Bill Cahill on Wed May 23, 2012 4:31 pm

NO, just bypass caps. Nothing special. But, don't use disc caps. Use good mylar caps.
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Re: United Motors Delco 1107

Post by Bill Cahill on Wed May 23, 2012 4:32 pm

Of course, make sure by the schematic which one goes where. It should tell...
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Re: United Motors Delco 1107

Post by Ben Delk on Wed May 23, 2012 4:47 pm

thanks
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