Re: [APML] st-4 relay replacement

[Bert Katzung <katzung@pacbell.net>]

Hi Bobby:
The green strips on the relays in my ST-4 are all lined up neatly pointing
at the outside of the box, ie, near the external sockets that the cables
plug into. Hope this helps...
Bert

Bert Katzung
San Rafael, CA
-----Original Message-----
From: Bobby Middleton <bobm@koyote.com>
To: astro-photo@seds.org <astro-photo@seds.org>
Date: Friday, 14 April, 2000 8:37 AM
Subject: [APML] st-4 relay replacement


>I got the relays from SBIG finally and have the st-4 CPU apart. Removal of
>the old relays was easy......snap right out. One thing I forgot to check
and
>I need someone in the group to look at this for me please. Dumb me forgot
to
>check which way the relays are plugged in; there are 2 possible ways. I
>pulled them out before I even realized I needed to check which way they
plug
>in. (That's what I get for trying to play with astronomy while I really
need
>to be working on other stuff <g>. ) SBIG is not answering calls until
Monday
>as they are moving to a new location. The relays can go in two different
>ways; there is a green strip on the relays on one end I presume to help
>someone who is paying attention <g> which way they plug in. Does the
>green-stripped end go close to the outside of the CPU box or are they
turned
>the other way and closer to the center of the CPU box?
>Chuck Vaughn has a picture of the innards of the st-4 here:
>http://www.aa6g.org/Astronomy/articles.html
> His removed relay recepticals are at the bottom right and he has them
>labeled "R". Will the green strip on one end of the relays go toward the
>bottom of his image or toward the top?
>SBIG charged $7 for each relay; there are 5 if you replace the alarm relay
>too. If this fixes my problem I will consider the fix cheap.
>Thanks for any help.
>Bobby Middleton
>
>
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