[sdiy] cleaning squishy rubber buttons

[Scott Nordlund]

> Hi,
> I'm calling them squishy button because I can't remember the name for
> them. I have a Yamaha SU10 sampler that won't go into Utility Mode. I've
> googled trying to see if this is a common problem, but no luck. I was
> wondering if it is bad to clean those rubber buttons and the black
> contact patches on the PC board. I suppose this unit may have just been
> used too much. It doesn't look all that worn out. These Yamaha units are
> a bitch to troubleshoot while disassembled, what with all that copper
> sheeting around it. If anybody has any ideas, I'd appreciate it. I know
> this isn't exactly synth DIY, but I'm fixing it myself and I may end up
> having to jerry-rig something to make it work, eh?
>
> Anthony

You can usually just clean it with rubbing alcohol.