Yamaha CS80

> Please, would you give me any hint about my questions?
> Thx
> M
> ----- Original Message -----
> From: "Max Fazio" <faxiomas@...>
> To: <yamahacs80@yahoogroups.com>
> Sent: Sunday, March 12, 2006 8:58 PM
> Subject: [yamahacs80] CS80 restoration problems
>
>
> > Hi
> > A friend of mine in Bologna is restoring a CS80 and, although it is
> one of
> the last produced , it has as obvious some problems so he asked me
> some
> advices. now, since I'm not a tech, I submit these problems to you....
>
> >
> > 1. On channel 1 the "Initial Level" slider seems to work with a
> reversed
> polarity...the result is like the IL slider behaves like the Attack
> Level...
> >
> > 2. the M-26 voice card has problems only with presets "CLAVICHORD2"
> and
> "GUITAR2": with low velocity the card doesn't produce sound whilst ,
> with
> higher velocity action, the voice is played ; with user presets and
> panel
> sounds the voice card M26 behaves normally.
> >
> > 3. On the M-28 voice card there is a background noise when the
> footage (
> CH-II )is set at 2' : the Square waveform suffers from this noise when
> the
> PW is set at 50% but the noise is reduced if the PW percentage is
> increased;
> the Sine has the noise but the Sawtooth hasn't it
> >
> > 4. the A# key on the 3rd octave doesn't respond to velocity
> >
> > 5. the D1 key behaves strangely : if it's played monophonically it
> does
> respond to velocity and AT, while , if played into a chord, doesn't
> respond
> any more to none of the above.
> >
> > Can you help me?
> > Thx
> > Max
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
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>

> Please, would you give me any hint about my questions?
> Thx
> M
> ----- Original Message -----
> From: "Max Fazio" <faxiomas@...>
> To: <yamahacs80@yahoogroups.com>
> Sent: Sunday, March 12, 2006 8:58 PM
> Subject: [yamahacs80] CS80 restoration problems
>
>
> > Hi
> > A friend of mine in Bologna is restoring a CS80 and, although it is
> one of
> the last produced , it has as obvious some problems so he asked me some
> advices. now, since I'm not a tech, I submit these problems to you....