Disklavier

Hi Kevin,

I have the same model Mark IV that you have, i.e. the DC3M4t.  With  
one exception none of the problems that you mentioned are common and  
you definitely should insist that they be fixed by a Yamaha trained  
technician.

The one exception is the "thumping" of the sustain pedal when playing  
back software in which the sustain is only given as full on or full  
off, i.e. midi values of 0 and 127.  When I play such material on my  
Mark IV I, too, experience the kind of thumping that you describe and  
I find it quite annoying.  Fortunately, most Yamaha software uses  
continuous pedaling and the thumping is not a problem there.  I have  
had my piano technician, who is quite good, check my sustain pedal and  
adjust it numerous times, but it does not help with material recorded  
with full on/off pedaling, apparently because of the sudden release of  
the sustain pedal from its fully depressed position.

I do not have any problems with my sustain pedal squeaking and this is  
something that your technician should be able to quickly fix.  When  
playing the piano in Quiet Mode, I do not have any cases where notes  
are struck a second time when the key is released.  That is not normal  
and your piano technician should fix this issue. I also notice no  
difference in the "feel" of the piano when playing in Quiet Mode vs.  
Acoustic Mode and you should not on your Mark IV either. Something  
appears to be distinctly wrong with the Quiet Mode on your Mark IV.

It would appear that your Mark IV was not serviced at all prior to  
delivery to you.  With such an expensive instrument as the Mark IV,  
this definitely should not be the case.  I would certainly firmly  
insist that these problems be corrected by a Yamaha disklavier trained  
technician.  If your dealer is not able to provide such a technician,  
then I would suggest that you contact Yamaha and take the problem(s)  
up directly with them.

Thank you so much for your continuing software efforts for the Mark  
IV.   You are providing features in your software that Yamaha should  
have provided years ago!

Tom

On Nov 25, 2007, at 6:57 PM, kgoroway wrote:

> Had my new DC3M4 for 4 days now...and it's developing some problems
> with the Disklavier, it would seem.
>
> #1) The sustain(loud) pedal squeaks pretty badly (piano playing it, or
> a normal foot)
> #2) The sustain pedal thumps pretty badly when it goes to the zero
> position (piano playing it, mostly songs right from Yamaha, including
> the radio)
> #3) While playing the keys in quiet mode (the bar is in the way of the
> strings) some notes strike a second time when letting go of the keys.
> #4) While playing the keys in quiet mode, the keys (action?) feels
> different...certainly not invisible.
>
> Now, mind you, this is the 3rd disklavier we've had in the house in 2
> months (DGC1b, DC3M4t, DC3M4).  The DGC1b didn't have quiet mode, so I
> can't say much about that, but the sustain pedal had none of these
> issues.
>
> The previous DC3M4t also had a quiet sustain pedal, and I didn't
> notice any difference in the keyboard feeling while playing in quiet
> mode...and it certainly didn't strike any notes twice.  I only played
> it for a little while, so it's possible that I might have felt a
> difference, but it was very obvious on the new piano (both the double
> strikes, and the different feeling).
>
> It hasn't had it's initial tuning yet (scheduling one next week), so
> the tech will probably be able to adjust most of these things...but I
> was wondering how common they might be.  Anyone?
>
> Thanks in advance.
> -Kevin
>
>
>
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