Thread: Hickok 660
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Old 03-08-2014, 05:28 PM
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miniman82 miniman82 is offline
First Light: 1952-2011
 
Join Date: Jun 2009
Location: Great Mills, MD
Posts: 4,183
I NEED AN ADULT!

OK, I have a feeling the problems lie in the first crystal controlled oscillator. As a test, I clipped one lead of capacitor C6 which should isolate the 315khz crystal controlled oscillator from its accompanying 315khz blocking oscillator. But for some reason, pot R12 still varies the frequency of the crystal controlled oscillator! WTF?!? I really don't understand this, they aren't even connected to each other at this point and it's still not working correctly. I'm completely lost...

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Evolution...

Last edited by miniman82; 12-26-2014 at 05:39 PM.
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