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Yamaha CS80

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Message

Re: Is CS80 actually self-oscillating or I have another problem?

2013-05-27 by pyjamagroove

Thanks a lot Kent.

--- In yamahacs80@yahoogroups.com, Kent spong <kent_spong@...> wrote:
>
> You have logic whine comming from KBC1 and KBC2.  Replace the cmos on these 
> two boards.  they are the 4001, 4069, 4013, 4019, 4073 and 4016. This will 
> cure it.
> 
> Best regards
> 
> Kent
> 
> -----Original Message----- 
> From: pyjamagroove
> Sent: Thursday, May 23, 2013 9:14 PM
> To: yamahacs80@yahoogroups.com
> Subject: [yamahacs80] Is CS80 actually self-oscillating or I have another 
> problem?
> 
> If I go to the panel mode (both channels) and turn all VCOS, noise and sine 
> off, both VCF up -then I put overall brilliance and keyboard control 
> brilliance up and press like 6 or more keys at the same time, I hear high 
> sine sound and actually a little VCO in the background and some noise 
> clipping while pressing those keys. I´ve noticed this playing presets like 
> brass with all the brilliance up. Do you guys have the same effect or there 
> is something wrong with my CS80?
> 
> 
> 
> 
> ------------------------------------
> 
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