[sdiy] Arp ProSoloist schematic?

DAF foda01 at epix.net
Fri Mar 21 17:02:39 CET 2008


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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