Vintage Simmons Drums (UK) Users Group

p_k_daniels skrev:
> 
> 
> Ok so thought id give you all an update, couldnt find schematics
> anywhere, but downloaded the user manual from simmons museum (thanks
> wolfgang!) unwrapped it, powered it up, wired in some computer
> speakers to the headphone socket...as described lights on no sound,
> did a factory reset as per the manual still no sound, took the top
> off and s**t myself was expecting it to be all transistors and bits
> due to the age (TTL was what i thought it would be) instead im faced
> with a veritable chip shop, at least 5 of which have the simmons
> logo on them and not a lot else...however even a blind monkey could
> have found this one one of the 2 big 23v capacitors had a blown can
> bottom, changed it out and bingo everything works. so SDS2000
> no000397 is resurected, polished and has been added to the
> setup...total cost £50 inc delivery, capacitor free from a box of
> bits and RS £1.95 for some slider knobs.

Congratulations!

But... the SDS-2000 is a late machine on the Simmons timeline and you 
need to go into the early 70's to loose most IC's in synthesisers...

-- 
electronically yours, jesper
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