Should help you out if you can make sense of it. I've got a K1r and a K4r. Done some work on the K1r, the K4r is broken, custom filter chip has failed :(
It does still work, just loud cracking noise on the filter with modulation.
Message
Re: [kawaisynths] k1rII fault ?
2015-12-29 by gonzinigonz@...