Vintage Synth Repair

--- In vintagesynthrepair@yahoogroups.com, "daniel_muschinsky" 
<daniel@s...> wrote:
> 
> hi there!
> 
> i´ve got a rev3 in great cosmetical shape. i keep it in a studio and
> i´ve never taken it on a gig... one day it broke down and now it 
only 
> makes funny noises when i play. just noise and weird modulated 
stuff!
> has anyone out there got an idea of what can be going on!!?!? is
> there anythig i can try before i get i serviced!?!?!??? also when
> it´s functioning "normaly" the led flashes a little bit when i turn
> the knobs and the filtersweeps sounds a bit stepped when i use the
> button!!! is that normal?!??
> 
> cheers! and thanks!
> 
> Daniel

I think LED's flash due to the main Z80 proceesor not having enough 
grunt.

Filter sweeps sound stepped in the Prophet due to their settings 
being held in digital memory,it's one of my main complaints with the 
Prophet.