Since OSC1 is basically the same as OSC2 you can test various points in the working circuit and compare them with the non-working.
My prodigy had two issues - one was a shorted cap (C7) and the other , which prevented any sort of calibration, was a solder bridge which caused a short. It took about 8 hours to find those....
jmw
On Sat, May 12, 2012 at 1:10 PM, ambrosia800 <s_carter@...> wrote:
Nobody any ideas?
Regards
--- In vintagesynthrepair@yahoogroups.com, "ambrosia800" wrote:
>
> Hi there...
>
> I have a problem with my Prodigy, first version.
>
> After switching it on, the scaling of OSC2 id not working properly anymore.
> Even if I turn the trimpot on the rear all to the right, the scaling will not be good... it will be better, but not OK.
>
> What could be the problem? OSC1 is fine, everynthing else is working.
>