Well, i did put the computer and telescope on the same powerline, would
that not cure any grounding problems?


Paul Goelz wrote:
>
> With the computer still off, i plugged the cable in
> >to the computer and PRESTO lx200 dead ;-(.
> >
> >Well after this the power supply remained dead. So i will have to buy
> >a new one, and can only hope that the telescope was not damaged.
> >I read something in the mapug archive about faulty connectors, and
> >will try and look it up.
> >
> >If anyone has an idea about what went wrong and how I can fix it, I
> >would appreciat any input.
> >
> >
> >Many thanx
> >Bjorn
>
> I don't know if this helps or not.... this weekend I consolidated all my
> cables from the scope into one. I'm running two video cables, RS232 and
> power for the scope and cameras (video) all through an old VHS camera
> extension cable. Works great, but...... I discovered that there was a lot
> of low frequency noise in the video that feeds the computer. Connecting
> the RS232 ground to the scope power ground at the scope cured it. I would
> have assumed that the RS232 input ground was chassis ground and therefore
> my external connection should have been redundant, but maybe not. Doc, any
> ideas? You've been inside this thing more than I have?
>
> What I'm getting at is grounding problems putting damaging voltages on the
> com port.
>
> Paul Goelz
> Rochester Hills, MI
> pgoelz at eaglequest dot com
> <http://www.eaglequest.com/~pgoelz>

--


Bjorn Heijligers
Rijnsburgerweg 37b 071-5275866 (Work)
2334 BG Leiden Netherlands Room:529
YOU CAN ALWAYS CONTACT ME VIA EMAIL!!
*************************************
*************************************

http://strw.leidenuniv.nl/~heyliger
------------------------------------------------------------
Who the hell is General Failure and why is he trying
to read my disk?

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