Archive of the former Yahoo!Groups mailing list: Yamaha CS80

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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