Vintage Synth Repair

Hi Malte,

Thanks for your tip on the ARP Odyssey circuitry, I just checked it out quickly, and indeed some parts of the circuit are similar. I'll examine it more closely once I open up the PS-1000 again.

J.F.

--- In vintagesynthrepair@yahoogroups.com, Malte Rogacki <gacki@...> wrote:
>
> I think (as duncan already pointed out) it's very likely that the missing
> part in the S/H circuit is a dual FET. The ARP Odyssey used a very similar
> construction (as far as I can see).
> 
> Get yourself the ARP Odyssey service manual and have a look at the
> schematics for board A-I or A-II; the similarity is striking.
> 
> -- 
> Malte Rogacki gacki@...
> ----------------------------------------------------------------------------
> "Don't forget to TURN ON THE SYNTHESIZER. Often this is the reason why you
>  get no sound out of it." (ARP 2600 Owner's Manual)
> ----------------------------------------------------------------------------
>