Vintage Simmons Drums (UK) Users Group

I have that exact behaviour on my SDS-V hihat card. It's in my workshop 
and I'm digging into the switching mechanism. It started acting wierd 
and all presets lit up at the same time. Now it's stuck in factory mode.

There are three culprit ICs most likely to be the bad guys. If there is 
no piggyback board on the cards it's quite easy to get to them.

-- 
electronically yours, jesper

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www.electronic-obsession.se

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Den 2019-04-08 kl. 23:59, skrev 'M.R.' gacki@... [Simmons_Drums]:
> Hi everyone;
> 
> I'm trying to revive my SDS V. Some of the cards have trouble switching 
> between the four settings. The snare would be stuck on the "factory" 
> preset, for example.
> 
> After moving them around it became clear that the switches are the 
> problem. Some seem to be stuck "on" while others seem to be stuck "off".
> 
> Is there a way to make them functional again? Those are metal dome 
> switches, btw. Or are there any replacements?
> 
> Thanks, Malte
> 
> -- 
> M.R. <gacki@...>
> 

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