Re: Tempest boards playing blind (and worse)...help!

From: Joe Bachmann <joe.bachmann_at_newmail.net>
Date: Tue Jan 07 2003 - 01:13:11 EST

Your pretty much right on with the epoxy. What you can do is use aneeled copper, cut
to shape and epoxy it on.

JB

"Curtis H. Wilbar Jr." wrote:

> Oh, one more tempest thing... I have a spare set of tempest boards that
> work great... just one problem... no red gun... turns out the pin on the
> edge connector for the red gun is gone ! peeled right up and off.....
>
> Now I don't want to relocate the signal to an unused pin... as that makes
> it wiring specific....
>
> So...
>
> Anyone ever restore a missing "pin" ? I was thinking of using one from
> a scrap board... using a razor blade to peel up a "replacement" one, and
> epoxying it to the location of the missing "pin" on the tempest board.
>
> Comments, ideas, etc welcome.
>
> -- Curt
>
> >Content-Disposition: inline
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> >MIME-Version: 1.0
> >From: "Travis Shire" <boardjunkie@techie.com>
> >To: vectorlist@synthcom.com
> >Date: Tue, 07 Jan 2003 08:55:30 +0800
> >Subject: Re: VECTOR: Tempest boards playing blind (and worse)...help!
> >X-Originating-Ip: 24.236.175.66
> >X-Originating-Server: ws1-11.us4.outblaze.com
> >
> >VoSsy VoS!!!
> >
> >With the one drawing crazy lines I'd start with the dac's, one or the other (or
> both for that matter) is probably bad. The one with no video kicking the spot
> killer should be a bad op amp in the output section. Check with a meter on each
> axis' test loop to see if its stuck (they should normally fluctuate as the pix
> is drawn).
> >Follow the schem to see where you get a good input to an op amp stage and a
> stuck output.
> >
> >Shouldn't be much of a problem to get them both back in action again.
> >
> >Laterz
> >Travis
> >
> >
> >
> >
> >Hey guys, I was unconverting my MH last night to sell as a Tempest...got one of
> my dead Tempest boards going and popped it in. Machine is working great.
> Figured while I was at it, I should try to get some others going. I've got two
> sets that play fine blind, but no video (spot killer on)...have another that
> plays blind, but draws a few crazy random vectors, with the spot killer going on
> and off rapidly. Monitor sounds like hell during this, so I only ran it a few
> seconds.
> >
> >Any suggestions on where to start? This is the first time I've delved into
> anything more than bad solder joints at the interconnect, as far as Tempest
> boards go.
> >
> >Thanks,
> >Richard
> >--
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Received on Mon Jan 6 22:00:48 2003

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