If the problem is with the buttons, you can buy replacement pads, like: https://www.ebay.com/itm/1-5mm-10mm...ontrol-Conductive-rubber-buttons/263577546395

So how are those used - do you stick them to the underside of the existing button?

 

So how are those used - do you stick them to the underside of the existing button?

Yes. In some cases you might have to trim off the existing pad to fit.

 

Thanks for all the help folks, the info that has been offered has been very educational, which of coarse is the whole idea. The help has been appreciated.

 

Thanks for all the help folks, the info that has been offered has been very educational, which of coarse is the whole idea. The help has been appreciated.

You’re welcome. Did you get it fixed? How?