hello all
i have a problem with my roland d70
some keys are not responding, no sound
i change the rubber , i have the same problem
i have a kontakt KF special for contact , but same problem
it seems that some cms components are broken
i had to change the conatct part
if you know where i can find one please tell me
here is the reference
oland contact board
Part NO 762162400A
SK-776-AW CONTACT BOARD 44P HI ASSY // ASSY 762162200A
thanks a lot