Hi. I have a DS-1 which I got off eBay which I have mostly fixed up, but I still have one issue. Oscillator 2 will not stay in tune. It warbles up and down. I thought it was just a bad pitch pot, but it wavers even when the dial is being left alone. It never settles down. Where should I be looking?
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Crumar DS1 Oscillator Tuning Issue
2006-03-20 by Andrew Grantham