Disklavier

I am looking for a disklavier tech in the greater Melbourne Florida area,
even Orlando.  I thought I had found one, but after several conversations
and setting a tentative appointment, he is no longer answering his phone and
missed the appointment.  I need to have my 100R fixed, and ideally, combine
it with or replace it by an 850, which I have not purchased yet.  My local
Yamaha dealer has been zero help.  Any assistance here greatly appreciated.