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Cgs synth

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Message

Re: ASR

2007-12-04 by sasami@hotkey.net.au

Good. That saves me telling you that there have been no circuit changes on
the board :) The later variant merely has lightly better spacing of parts
to ease the fitting of the S&H caps.

Ken

>Nevermind, I found a second solder bridge. The board powers up without
whacking things. Should be clear sailing from here on out.
>
>Thanx,
>
>Tony
>
>
>----------------------------------------
>> To: cgs_synth@yahoogroups.com
>> From: goldenechos@...
>> Date: Tue, 4 Dec 2007 18:00:12 -0500
>> Subject: [cgs_synth] ASR
>>
>>
>> Hey, I picked up a bunch of modules from a fellow (some commercial, some
diy) one of which is the CGS ASR (cgs34).
>>
>> It is not working. It basically pulls the power rails down (have not
checked which yet) as soon as it is turned on.
>>
>> Here is where it gets funny. All the IC are socketed. So I take all of
them out. Still whacks the power rails. Long story short, I have removed all
IC, all panel connections and all 3 of the polarized caps... still whacked.
I searched for solder bridges and found one... but alas, still whacked.
>>
>> Then I got to thinking, perhaps this is an earlier revision with some
sort of brd problem... is this possible? It looks as though somebody
attempted to cut a trace, but there is still continity. Are there any older
revisions of this board needing a trace cut or something?
>>
>> Thanx,
>>
>> Tony
>>
>> Tony
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_______________________________________________________________________
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

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