Help with dead keys

[jellentz]

I have a p-35 keyboard the last 5 keys are the problem a keys sound bad the rest are dead including the flats I installed new board and rubber strip plus both ribbons still the same please help me out any idea John

 

[ivtec]

I have a p-35 keyboard the last 5 keys are the problem a keys sound bad the rest are dead including the flats I installed new board and rubber strip plus both ribbons still the same please help me out any idea John

On my PSRS 910 it’s the variation buttons that are hard to switch, go here maybe they have what you want .
https://syntaur.com/yamaha_psr.html