D70 / Roland repair

[bert mouwen]

Martin Czech wrote:

> Contacts: I've changed the grey rubber things 3 times! 

Isn't there something strange going on here?
Howe come a D-series synth functioning fine for 5 years and after
that a replacement of malfunctioning parts would't do for another 5?

Maybe a stupid question (dont have an english techno dictionary
around):
what is (a) trashbin?
 
> Trashbin or some other contact principle.

grtz. bM.