Yamaha CS80

If it can still make white noise I would suspect the Waveshaper chip
as noise goes through the filters as well.....if the noise is also
affected as well check the filters....or your output levels on the
lower front of the m card
-----Original message-----
From: rj krohn r_j_d_2.phila@...
Date: Sat, 26 Apr 2008 19:40:56 -0600
To: yamahacs80@yahoogroups.com
Subject: [yamahacs80] sorry for the questions, guys...what provides
pwm/saw shapes?

hi folks, my apologies for the incessant questions, im hoping to be in
the final throes of questionland....

one of my voices just lost it's ability to make pwm and saw
shapes(sine still works). i took voltage readings on the VCO chip, and
the only differences from "normal" are pins 7&8. both are reading +.6,
whereas a normal voice reads 1.2 or so. otherwise, all the voltages
look normal.

does anyone know what provides these? is it within the IG 00153 chip,
or elsewhere? asalways, i cant thank you guys enough, i truly
appreciate all your help- rj


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