[sdiy] broken chorus on mks-30

[Bob Weigel]

PS I might be interested int he oberheim. How much did you want for it? -Bob

Danjel van Tijn wrote:

>>please dont start hacking apart working synths for parts!!
>>
>>    
>>
>well it is not a fully working synth. The chorus does not work and
>maybe that is a symptom of some other problem. Obviously I want to fix
>it or I wouldn't have posted it but if I can't and I have a choice of
>selling it for a $100 becuase it is not working properly or selling it
>for $360 worth of parts what do you think I will choose to do?
>
>Also the chips that come out of it would be going towards restoring
>other synths that are not working.
>
>I have a Oberheim Matrix 6R that is facing a simmilar fate. It will
>turn on but will not respond to midi and after many hours off
>debugging I have not been able to determine the problem. I have
>offered this to many people for sale as a project synth but no one has
>been interested. So it either sits gathering dust or I could takke the
>voice chips out and sell those for more than the broken synth is
>worth.
>
>cheers,
>    Danjel
>
>
>  
>
>>is money really important enough to start meaning we have less working synth history?
>>
>>just a thought
>>
>>thanks
>>
>>
>>
>>
>>--------------------------------------------
>>check out various dan music at:
>>
>>http://www.myspace.com/lossnyc
>>
>>(updated monthly)
>>
>>http://www.soundclick.com/lossnyc.htm
>>
>>
>>
>>http://www.indie911.com/dan-snazelle
>>
>>(or for techno) http://www.myspace.com/snazelle
>>
>>ALSO check out Dan synth/Fx projects:
>>
>>AUDIO ARK:
>>
>>www.youtube.com/watch?v=TJRpvaOcUic
>>
>>www.youtube.com/watch?v=BqIa_lXQNTA&feature=channel_page
>>
>>www.youtube.com/watch?v=V4nJPjGgOcU&feature=channel_page
>>
>>
>>
>>
>>
>>
>>
>>----------------------------------------
>>    
>>
>>>Date: Sat, 28 Mar 2009 15:11:21 -0700
>>>From: danjel at gmail.com
>>>To: synth-diy at dropmix.xs4all.nl
>>>Subject: [sdiy] broken chorus on mks-30
>>>
>>>I pulled my mks-30 out of the closet and found that it is no longer
>>>working %100. The synth works perfectly until I turn the chorus on.
>>>With chorus engaged the output is distorted and I hear a loud hum.
>>>
>>>I can find schematics for every part of the mks-30 except for the
>>>power board that has the chorus circuit on it.
>>>
>>>Has anyone experienced a simmilar problem and know how to fix this?
>>>Maybe they have a scan of the schematic?
>>>
>>>In exploring the synth which has 6 perfectly working 80017A chips I am
>>>wondering if this synth is worth more as parts then as a working
>>>synth? For example the the 80017A chips sell for $60 each x 6 = 360USD
>>>while the average mks-30 only sells for about $275.
>>>
>>>cheers,
>>>Danjel
>>>_______________________________________________
>>>Synth-diy mailing list
>>>Synth-diy at dropmix.xs4all.nl
>>>http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>      
>>>
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