[sdiy] Roland MC-50 panel switch cleaning

[Maarten]

The switches are Alps SKPDAA according to the service manual, you can 
get the service manual at www.synfo.nl  Mouser has switches in the same 
series, probably with a different operating force. It seems that they 
renumbered the parts and Alps no longer stocks SKPDAA. You could also 
try Roland or a Roland service center near you.
Best,
Maarten

Adam Inglis schreef op 21-9-2014 1:58:
> Thanks for all the replies.
> So it seems as long as I get the dimensions right it should be
> non-critical.
>
> Is the rubber cap or dome as seen on the originals likely to be a
> significant contributor to the feel? Because the ones I'm finding don't
> have this.
> http://www.adambaby.com/studiotech_MC50.html#MC50panelswitch
>
> cheers
> Adam
> On 18/09/2014, at 9:08 PM, gordonjcp at gjcp.net wrote:
>
>> On Thu, Sep 18, 2014 at 11:27:57AM +0100, Tom Wiltshire wrote:
>>> Another vote for replacement. As Tony said, finding the right ones is
>>> sometimes tricky, but there's always something out there that fits.
>>> At least tactile switches are cheap. Find somewhere that's got
>>> several types that look about right and order one or two of each.
>>> Once you've found something that works, order the rest.
>>> It's tedious, but feels good once you've done it.
>>
>> I buy huge bags of them from China, in various depths - the button
>> height is different.  Like, hundreds of 'em.  They cost pennies, and
>> doing a quick button refresh on someone's beloved W30 is always good
>> for a bit of extra beer money ;-)
>>
>> Now if only I could find a good source for those bloody horrible
>> encode-and-click encoders on Yamaha A3K/A4K samplers...
>>
>> --
>> Gordonjcp MM0YEQ
>>
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