[sdiy] SCI Pro-One problem (audio leaks to CV or something)
Matti Kari
maza at maza.fi
Wed Apr 18 19:51:39 CEST 2007
I forgot a couple of things:
I've also tried to remove all the other incoming CV's (desoldered one
end of the resistors) to the CV mixer except for the signal coming from
cutoff pot (which was verified to be ok). Thus, the noise seems to be
coming from the -15V line. I also tried to feed the -15V input resistor
straight from the output pin of the regulator with a jumper cable
without success.
The Pro-One schematics can be found at
http://machines.hyperreal.org/manufacturers/Sequential/Pro-One/schematics/
The filter CV section is on page 2.
--
Matti Kari || Vesalantie 38a, FI-00940 Helsinki
maza at maza.fi || http://maza.fi/ || +358 40 838 6607
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