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Subject: Re: [M]: Declination Drive Problems
From: Bill Brown
Reply To: mapug@shore.net
Date: Tue Feb 13 20:07:00 2001
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The problem you are discribeing is similiar to a cold solder joint.
Your circuit board printed ckt. has a crack in it. When it is warm the
metals expand an make contact. when cold the metals contract there by
breaking the contact at the break.
> Found the location of the problem:
>
> Meade suggested several things that I document here to help anyone
> else who
> might run into this. None of them happened to be the problem but they
>
> probably could have been:
>
> Moisture in Hand Controller
> Bad Battery
> Bad Power Supply
>
> I have found that the location of the problem is the little circuit
> board to
> the right of the Dec Motor, if that is cold it does not work, if it is
> kept
> warm (hair dryer) it works fine.
>
> Will call Meade tomorrow to see about a replacement. Does anyone have
> any
> idea why the cold should cause a problem, and also, can I just change
> that
> assembly (is a new assembly compatible with my other electronics) My
> scope
> says LS200/2 Version 3.30L upon boot up.
>
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
The problem you are discribeing is similiar to a cold solder joint.
Your circuit board printed ckt. has a crack in it. When it is warm
the metals expand an make contact. when cold the metals contract there
by breaking the contact at the break.
<blockquote TYPE=CITE><font face="Courier New"><font color="#0000FF"><font size=-1>Found
the location of the problem:</font></font></font>
<p><font face="Courier New"><font color="#0000FF"><font size=-1>Meade suggested
several things that I document here to help anyone else who</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>might
run into this. None of them happened to be the problem but they</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>probably
could have been:</font></font></font>
<p><font face="Courier New"><font color="#0000FF"><font size=-1>Moisture
in Hand Controller</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>Bad Battery</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>Bad Power
Supply</font></font></font>
<p><font face="Courier New"><font color="#0000FF"><font size=-1>I have
found that the location of the problem is the little circuit board to</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>the right
of the Dec Motor, if that is cold it does not work, if it is kept</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>warm (hair
dryer) it works fine.</font></font></font>
<p><font face="Courier New"><font color="#0000FF"><font size=-1>Will call
Meade tomorrow to see about a replacement. Does anyone have any</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>idea why
the cold should cause a problem, and also, can I just change that</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>assembly
(is a new assembly compatible with my other electronics) My scope</font></font></font>
<br><font face="Courier New"><font color="#0000FF"><font size=-1>says LS200/2
Version 3.30L upon boot up.</font></font></font>
<br> </blockquote>
</html>
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