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Subject: Re: [yamahacs80] CS80 tuning procedure....

From: David Rogoff <david@...>
Date: 2006-05-05

Laurie,

What you wrote is what the service manual says. However, as the
original question said, there's an opinion, specifically on Crow's
www.cs80.com website, that says not to do this because of possible ESD
damage.

David

laurie wrote:
> touch the back side of the boards with your finger in behind the 2
> foot (blue)trimpot....you will hear a fluctuation in pitch for the card
> on the key you are holding down.....forcard m8 in each bank repeat a key
> 7 times and while holding the 8th note press the 9th to tune(release the
> 8th while holding 9th to tune 9th note
>
> Quazimodo wrote:
>
> > Hi folks,
> >
> > OK I'm gonna tune her again, it's about time....
> >
> > I did it a few years ago and at the time I did the 'touching-the
> > screwdriver' thing to "hear" which board was active.
> >
> > Since then though, I have heard on here that this can lead to blown
> > components. I also remember one of you had an LED panel to indicate
> > the status.
> >
> > My questions is, without any special gear -(I am using a digital
> > multimeter with onboard frequency counter for tuning)- how should I
> > monitor which card/voice is active and not be in danger of blowing
> > anything please?
> >
> > Cheers



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