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MUSIC PRODUCTION STUDIO良写☑口口口SERVICE MANUAL2200■CONTENTSDIMENSIONS3SPECIFICATIONS4/6PANEL LAYOUT9CIRCUIT BOARD LAYOUT11WIRING1BLOCK DIAGRAM..14DISASSEMBLY PROCEDURE15INSTALLING OPTIONAL EQUIPMENT19LSI PIN DESCRIPTIONn27IC BLOCK DIAGRAM…32CIRCUIT BOARDS34TEST PROGRAM46/56ERROR MESSAGE66169MIDI IMPLEMENTATION CHART72OS UPDATE74/75PARTS LISTThis document is printed on chlorhe fee (ECF)paper with soy ink.OVERALL CIRCUIT DAIGRAMSY011572YAMAHAHAMAMATSU,JAPAN20010630-1750001.498K-6451 IT:Printed in Japan '01.07