Yamaha CS80

Hi
anybody can tell me something about what should I check to get what the problem is?
Thanks
M

From: Max Fazio 
Sent: Wednesday, May 30, 2012 9:14 PM
To: Yamahacs80 
Subject: [yamahacs80] pitch bug on CS60?

  
Hi all
I experienced a strange thing on a CS60: if I play the highest C note at high footage, then pitching up one more octave through the ribbon controller, the pitch occasionally gets stuck on that high pitch through all the voice cards; therefore I’m forced to reset the machine by turning it off then on again; anybody experienced that bug again? Could it be KAS or SH related?
Thx for replying
M

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