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[TenTec] Orion I RIT/XIT problem

To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Subject: [TenTec] Orion I RIT/XIT problem
From: "John T. Fleming" <W3GQJ@embarqmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 11 Jul 2008 16:11:45 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I have a theory on the Orion XIT/RIT problem.  I now think the problem is
with the ribbon cable that is connected to J2B in drawing 81917_3.PDF in the
designator A8.  I traced through the encoder for the XIT/RIT and see that it
is indicated as ENC6A and B.  That is ENA_A6_1 and ENA_A6_2 on J2B.  When I
thought reheating the encoder pins cured the problem, actually I was flexing
the cable.  I don't know if Ten-Tec makes these cables, but I am wondering
is there may have been a bad batch of connectors.  My serial number is
06C10363.  I wonder what other serial numbers are having the same problem.
I bought my Orion 9-16-03.


To try to confirm this problem, I have removed the case from my Orion and
only have 2 screws on the top and 1 screw on each end of the front panel.
Now it the control quits again, I plan to carefully remove the screws and
just move the front ever so slightly.  If the control works again, I am
going to get a replacement cable and see it the problem is finally resolved.




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