Why does my roland mobile cube hum when I plug into it?
If it hums when running on battery power, either your cable from your instrument needs repair, or it's the wrong type (unshielded or TRS) or your instrument has a problem, or you're in an area that has too much RF or electromagnetic interference.
9/12/2018 5:57:11 PM •
Roland Music
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684 views • 0 helpful votes
Repair for vintage keyboards.
Static is usually the result of a bad connection. I suspect there is a bad solder joint. If you are electronically inclined, use a listening device or oscilloscope and connect it to the volume control terminals if it is not present on the input to the volume control then it is the volume control that is bad which happens in old equipment best solution is replacing the volume control or you can try cleaning it with an aerosol product for this purpose.
9/5/2018 1:13:53 PM •
Roland Music
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342 views • 0 helpful votes
Roland A-37 Controller
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7/4/2018 10:03:17 PM •
Roland Music
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93 views • 1 helpful votes
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