How-To: Diagnose keyboard instrument problems


Lorin Parker, creator of the Phantastron, describes his starting point for diagnosing problems with electronic keyboards using an invaluable tool – the human ear.

Keep in mind that potentiometers will sometimes still crackle after a thorough cleaning. This usually means the resistive layer has worn through, and the who;e pot needs replacing – but hold on to those vintage knobs!

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