OBERHEIM SYNTH

Thanks for sharing your experience, I do replacing carefully and  
sensitively.

Daniel Forro


On 28 Jun, 2014, at 6:29 PM, 'ipc.de' ipc.de@... [oberheim] wrote:

> Dear David Forro,
>
> I am restoring "vintage Syths for quite a while. I am using  
> sophisticated
> equipment for testing and measuring capacitors.
> But I only VERY RARELY experienced that capacitors fail. I believe  
> this is a
> hoax. People tent to believe that doing something technically, some
> soldering, and the like, is better for their old equipment. I say.  
> Never
> change a running system. If you want ot do something good for your old
> stuff, clean it, hug it and stop smoking ;-)  And try to avoid power
> surges...
>
> If any, then it's the Tantalums that cause trouble. The problem with  
> the
> Tantalums is that they suddenly turn into a short circuit - damage  
> to the
> circuit is expectable. Be attentive to the tantalums, but forget the
> electrolytics in the first place. The risk of damaging the most  
> sensitive
> CMOS or MOS integrated circuits of the 70ies and 80ies is evident.
>
> Best
> Mondo