Yamaha DGX-640 Support Question
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Question posted by habi92 on October 23rd, 2014
Yamaha Dgx-640 - Unusual Noises With Some Triads Immediately Below Middle C
The specific problem is centered in the octave immediately below middle C and is acute with the following triads; D-F-A; E-G-B and F-A-C. There are intermittent hints of a problem with a few other triads. A technician addressed this problem a few weeks ago and the instrument was only returned to use one week ago.
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