Vintage Synth Repair

ah yes tantlum caps...I repair a lot of archaic 70's
arcade machines like space invaders etc...they have a
very high failure rate in my experience..

I agree about the re-capping epidemic...the amount of
time you hear 'you just need to re-cap it' these days
:o)

--- Malte Rogacki <gacki@...> wrote:

> The number of dead op amps I've seen in ARP synths
> is pretty high.
> Especially that LM301 (or the variant ARP used)
> seems to fail regularly.
> Coincidentally I currently have a MarkIII Odyssey
> sitting on my bench; and
> coincidentally the op amp in the S/H circuit was
> dead there, too.
> 
> As far as the failure or non-failure of voltage
> regulators goes: I've had
> about three or four devices during the last few
> weeks that had blown
> regulators.
> 
> And of course tantalum caps...
> 
> -- 
> Malte Rogacki gacki@...
>
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> "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)
>
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> 



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