[Heathkit] troubleshoot IT-11 capacitor checker

[Jeramy Thibodeaux]

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
>