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

Hysol ? Never heard of it ? Is it a type of glue ? epoxy ?

What is the pros and cons of using:

epoxy ?
hysol ?
glue ?
copper tape ?
peel and stick repair stuff (where do you get this stuff ?) ?

I guess I could use just about any method since currently I plan to
keep it as a spare set for my tempest, but if I ever sell the set
I want a repair I know will not deteriate on the next owner.

Thanks,

  -- Curt
  
>Date: Tue, 07 Jan 2003 01:17:55 -0600
>From: Rodger Boots <rlboots@cedar-rapids.net>
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>To: vectorlist@synthcom.com
>Subject: Re: VECTOR: Tempest boards playing blind (and worse)...help!
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>
>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
>>
>>
>
>At my Real Job pads (or in your case, an edge connector) are reattached
>using Hysol.
>
>There are also peel and stick pads, lines, and connector pads available.
>
>>
>>
>>>Content-Disposition: inline
>>>Content-Transfer-Encoding: 7bit
>>>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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>>
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>>
>>
>

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Received on Thu Jan 9 19:40:23 2003