[sdiy] Arp ProSoloist schematic?

[Daniel Araya]

Thanks for all your help and suggestions, I'll check for cables that are inserted the wrong way and "creative" soldering jobs!

/Daniel

>>> Bob Weigel <sounddoctorin at imt.net> 03/22/08 5:55 AM >>>
Or off the fdisk page linked from the 
sounddoctorin.com/synthtec/synth.htm resource page.  I've attempted to 
gather every general resource on the web there so that people don't have 
to ...like I say get sidetracked learning about Mormon history when they 
are looking for information on a Prophet 5 :-)  Please notify me if 
there is ever anything missing from any of those template pages.  
Thanks. -Bob

DAF wrote:

> The entire Pro Soloist service manual is available for download here:
>
> http://www.poconothermionics.com/arp.html
>
> (right click/save as - it's a 4.3 MB file)
>
> Dave
>
>
> ----- Original Message ----- From: "Dave Manley" <dlmanley at sonic.net>
> To: "Daniel Araya" <daniel.araya at sr.se>
> Cc: <synth-diy at dropmix.xs4all.nl>
> Sent: Friday, March 21, 2008 1:09 AM
> Subject: Re: [sdiy] Arp ProSoloist schematic?
>
>
>> Daniel Araya wrote:
>>
>>> I have a ProSoloist on my workbench and it has a very strange 
>>> problem, the different octaves work but the pitch is "backwards", 
>>> i.e the lowest key gives the highest note in every octave and it's 
>>> consistent over the whole keyboard!
>>>
>>
>> I put a high res scan of a not great original of the Board E 
>> schematic here:
>>
>> http://www.sonic.net/~dlmanley/Arp2701_BoardE_Schematic.pdf
>>
>> I don't see an obvious way what you describe could happen unless the 
>> inputs to Z11 were somehow twizzled.  Is there a cable between Z11 
>> and the key contacts?  Has somebody done some creative wiring on 
>> cable from Board E to Board A?
>>
>> -Dave
>>
>>
>>
>>
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