Roland RD-800 Cracked Sub-Chassis Fix & Prevention Guide
A loudly clacking key might point to a common culprit: a cracked sub-chassis (or sub-frame). Roland used these plastic sub-chassis as a rib structure supporting sets of four or twelve keys inside the PHA-4 Concert keybed. The good news? Replacement parts are cheap, the job is fairly straightforward. What are the symptoms? The most common … Read more