Pro-One

[R.D. Hess]

--- Halloween Jack <halloweenjack at flashmail.com> wrote:
> Ok people, I just have to brag here... I got a
> Pro-One for free :P I
> inheirited it more or less. The catch... it's
> broken, and as I hear this
> is common. Basicly my uncle said, its yours... fix
> it. So here I am with
> a Pro-One. The sounds I've gotten out of it are
> awesome, exactly what
> I've been looking for but never had the cash for.
> All the oscilattors
> seem to be working just fine, as well as the filters
> and such. I already
> had fun running my 707 through the ext in. Problems:
> most the keys don't
> work, and I've been told neither does the
> appegiator, or sequencer. I
> was wondering if there was any service manuals and
> user manuals floating
> around out there, as those'd probably help a lot.
> Also, any suggestions
> are well taken. Haven't gotten to test out the CV
> cause I'm mostly a
> midi man... Guess this means I'll have to finally
> break down and buy a
> MIDI to CV. Thanks for everything already y'all.
> This'd be a hell of a
> machine once I get everything working, esspecially
> the keyboard, which
> is should mention, the keys seem to be pretty loose
> from the rest of the
> body. Anyway, thanks...
> 
> -HJ
> 
> 

 Congratulations! The P1 is a wonderful little synth, and well worth
the time it takes to get it running again.

 First, I'd check the connectors on the ribbon cable that connects the
keyboard to the circuit board. This was forever coming loose on the
Pro-One the other synthesist in my early-80s band played. It seems like
I was re-seating this connector before about a quarter of the shows we
did.

 While you're looking at the connector, take a look at the key
contacts. If they are gold plated wires, you're okay. If they're some
squishy grey foam, just quit while you're ahead and get the MIDI to CV
converter. These contacts were notoriously unreliable, and impossible
to find nowadays.

 Richard Hess
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