[sdiy] pro one problem - help

[SRRecords at aol.com]

My pro-one (j-wire kind) has been acting up lately - when the sound is going 
(either from keys or from drone mode - on both oscillators) there is frequency 
wavering - the pitch just kind of goes up and down haywire and randomly.  Any 
ideas of where I might start to look for the cause and solution to this 
problem?  It seems like it is some power supply type thing because it goes over 
both oscillators and goes out the CV out - I hooked it up to another synth and it 
made *it's* oscillators waver!  Thanks

Jason
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