Question about Korg SP-250
There is probably a cable loose that connects the keyboard itself to the processor... OR the key contacts have been contaminated by spilled liquid. The keys are scanned as a matrix. The contacts will be a conductive rubber pressed against circuit board traces. Clean contact "pills" and the circuit traces with ONLY 99% isoprophyl alcohol.
This is NOT for the unskilled to attempt a DIY other than carefully opening and looking for a cable that has come loose.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
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