Search found 3 matches

by gzifcak
Tue Jan 11, 2011 8:07 pm
Forum: PAiA Jabber
Topic: 9700s Mod Ideas
Replies: 0
Views: 13269

9700s Mod Ideas

1. I'd really like to modify the VCO pitch knobs and VCF frequency knobs for wider range. Is this an easy change? I was hoping to see some easily replaceable resistors in line with the pots, but it looks like they're dividing the power lines directly. 2. I see that the VCO output is 5v p-p. When usi...
by gzifcak
Tue Jan 11, 2011 8:05 pm
Forum: PAiA Jabber
Topic: 9700s troubleshooting
Replies: 1
Views: 13091

Re: 9700s troubleshooting

I found the problem. Somehow I had 470 uF caps in place of the 2200 uF caps in the power supply. It's running nice and clean now.
by gzifcak
Mon Jan 10, 2011 2:55 pm
Forum: PAiA Jabber
Topic: 9700s troubleshooting
Replies: 1
Views: 13091

9700s troubleshooting

I've sent an email to Scott, but while I'm waiting for a response I thought maybe someone else might have some ideas: I've assembled the 9700s, and every function seems to work so far (yay!) but I'm having a problem that seems power supply related. I'm using a 12VAC 1300mA transformer. The symptoms ...