Hi, I have a Juno 60 that plays out of key. (C plays G#) the tuning pot on the back gives little adjustment. I can use transpose to bring it into key but that's just a workaround. I have checked power supply voltages and checked and adjusted the bender board then found on the chorus board C1 and C2 (47uF electrolytic) were leaky so I replaced them. I checked voltage at TP2 (CPU board) at +7.70V then adjusted L1 and now is much closer (C plays D) but alas I have run out of adjustment.
Could the electrolytics near L1 (C136 - C137 - C125) cause this?
Any help would be greatly appreciated
Juno 60 Tuning issues
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