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Roland BOSS RC-20XL Loop Station Phrase Recorder with Instrument Cables - Page 8 Questions & Answers
The key sounds are flat not intune
You did not mention the model or year, but some models have a global detune setting available (read manual, download after Googling) and it is possible that has been altered from 0.0 to some other plus or minus cents. Other models of keyboards may have a tuning potentiometer on the back. If it is a very old analog synth, then any oscillator pots might need trimming and capacitors replaced (such is work for a keyboard tech).
1/2/2015 7:17:57 PM •
Roland Music
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Answered
on Jan 02, 2015
When I plug the damper pedal into my Roland ep 77 the damper comes on and stays on no matter if the pedal is pressed or not pressed.
Try plugging in the pedal with the Roland powered down or off. With the pedal plugged in, turn the Roland on again. The Roland should sense the polarity upon power up. If this doesn't work, I have had those pedals get defective right out of the box, so try this...Get a ¼ inch guitar or signal cable and plug that into the damper jack. The cable will represent an open circuit polarity since nothing is shorting out the leads. See if the EP77 is sustaining or if it is not. Alternately, try shorting the guitar cable by laying a piece of metal across the top and bottom of the jack. A pocket or kitchen knife or any bare wire will do. If this does not work, your assumption about the power supply may be correct.
12/27/2014 2:30:49 PM •
Roland Music
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Answered
on Dec 27, 2014
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