Posted by Rob on March 21, 2002 at 08:26:53:
In Reply to: 6.1 line noise - circuit diagram anyone? posted by eric on March 01, 2002 at 16:50:39:
I have a similar problem with a QS-7. It seems like I'm getting AC Hum (60 cycle) on the outputs even with the ground lifted. Did you have any luck finding a schematic?