[Heathkit] troubleshoot IT-11

[Michael Tortorella]

I have checked the balance pot and it is normal.  I am still stumped.
Thanks
Mike

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Message: 5
Date: Sun, 22 Aug 2010 00:00:50 -0400
From: "Jeramy Thibodeaux" <kg4azt at earthlink.net>
Subject: Re: [Heathkit] troubleshoot IT-11 capacitor checker
To: <heathkit at mailman.qth.net>
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Maybe I am missing something but it seems as if the control pot is wired 
backwards.

Jeramy kg4azt


----- Original Message ----- 
From: "Michael Tortorella" <w2iy at verizon.net>
To: <heathkit at mailman.qth.net>
Sent: Saturday, August 21, 2010 11:50 PM
Subject: [Heathkit] troubleshoot IT-11 capacitor checker


> Hi all,
>
> I am having trouble getting an IT-11 to work.  Symptom: eye tube stays 
> open
> under all conditions with nothing attached to the test points (from page 
> 24
> of the manual: "For positions Rx1 through Cx1, the eye tube should be 
> closed
> with the balance control in any position but maximum clockwise.  The tube
> should be open when the balance control is maximum clockwise.")  If I 
> attach
> anything (and I have tried various resistors and capacitors) to the test
> points, the eye tube closes and stays closed except when the balance 
> control
> if fully CCW.  I have changed out the paper capacitors and the tubes.  The
> B+ looks normal.  Can anyone offer a hint as to what might be going on?
>
> Thanks in advance and 73
>
> Mike W2IY
>



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