Thanks for that tip. Don't know why I didn't think of that as I've done that in a P5 before. After swapping them and the problem stayed I decided to crank up the scope and check the waveshaper and I believe that is the problem. Now I just need to find one of those! Thanks, Heath --- In yamahacs80@yahoogroups.com, rj krohn <r_j_d_2.phila@...> wrote: > > > > > 2. Voice 3 on Channel 2 is outputting only noise instead of a saw/square. Sine is working > > well. > > when i had this problem, it was a bad VCO chip(153?). sine and noise are not generated there. easiest way to tell is to swap the chip out for a working voice-be careful! the legs on those types of chips are easy to bend putting them in and out of sockets. good luck-rj > > > > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] >
Message
Re: Doing some repair work on CS-80 1459
2008-11-26 by Heath Finnie
