雅马哈Yamaha-SPX990-Service-Manual维修服务手册说明书含电器原理图

C5M773Professional Multi-effect Processorte CrySERVICE MANUAL图CONTENTS(目次)SPECIFICATIONS(然合仕樣)…-…2/3PANEL LAYOUT(バ*儿Tヴk)4CIRCUIT BOARD LAYOUT(ユ二ykLF户K)8BLOCK DIAGRAM(ブDy夕岁1子夕ラㄙ)…6DIMENS引ONS(寸法☒）9DISASSEMBLY PROCEDURE(分解手頫)·…10LSI PIN DESCRIPTION(LSl端子機能表).14IC BLOCK DIAGRAM(ICブ口y夕☒)…19CIRCUIT BOARDS(之一卜基板☒)·20TEST PROGRAM(テ又Fブ口ヴラㄙ)26/30CHECKS&ADJUSTMENTS(换查酮整)34/35RAM INITIALIZE(RAM亻二之+ラ亻X)·-·36ERROR MESSAGES(工ラ-×y七->)36MD1 DATA F0RMAT(MID1子-夕7才-マy卜)37/42MIDI IMPLEMENTATION CHART47488PRESET PROGRAM LIST...OPERATION MAP.…50PARTS LISTYAMAHA CORP.LM011149HAMAMATSU.JAPAN19930310-9900028K-944 Printed in Japan '93.3