Kawai K4/K4R -1989    Weight=18.3 Lbs. Number mfg.= ? MRP=$1445

User Manual: Kawai US
Reset Proceedures:
Operating System code:
MIDI or other control protocol: See Manual
Software related Links:
Patches or knob settings:
Circuit Overview: below
Scematics/Service Manual:
Common Service Issues/Tips: below
Parts Sources: Keys knobs semiconductors misc
Uncommon chips/modules used:
General Info Links: Vintage Synth Explorer or MNX2010

Circuit Overview:
     A 16bit sample based architecture with digital filter simulation and AM as well.

Service Tips:
     Only seen key cleaning related problems on these. Check out Neil Webby's great tech link