Author Topic: Keys not work normally  (Read 444 times)

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Offline ArunaBandara

Keys not work normally
« on: December 03, 2016, 08:03:10 AM »
Dear experts
When I play pew keys same time some keys work high velosity without pressing highly.

Ex. When I push CDEFG keys same time Next octave C note play high velocity.but That C note play withot any key its work properly.I found this problem another octaves olso.
But I have a blower. And When I blowed That problem not seeing.
But when I power off and on Have that problem again.

Key plays single no problem
But plays few keys same time have that problem.

Some times some keys play like cdefgab type a key work high velocity without touching highly.but that a key work properly when play bagfedc type.

How I fix this problem
 

Offline DonM

Re: Keys not work normally
« Reply #1 on: December 03, 2016, 08:27:35 AM »
This is a well-known Yamaha problem.  There is a contact strip underneath the keys.  It often gets either out of place, worn out, or has dust on it.  You can order a new strip and replace it yourself if you are mechanically inclined.  Or, any Yamaha service center can do it for you. 
DonM