雅马哈Yamaha-EW20-Electronic-Wood-Wind-Service-Manual维修服务手册说明书含电器原理图

ELECTRONIC WOOD WINDEW2OOZM3SERVICE MANUALTone GeneratorController■CONTENTS(目次)SPECIFICATIONS(然合仕樣)…2PANEL LAYOUT(パネ儿了☑卜)…3CIRCUIT BOARD LAYOUT(1二yK子ヴ卜)…6BLOCK DIAGRAM(ブ口y夕夕1了少ラ么)…6LSI PIN DESCRIPTION(LSI端子機能表)7IC BLOCK DIAGRAM(ICブ口y夕☒)…9DISASSEMBLY PROCEDURE(分解手順)…10TEST PROGRAM(テ又卜ブ口夕ラㄙ)…14MIDI IMPLEMENTATION CHART16CIRCUIT BOARDS(之一卜基板☒)17PARTS LISTYAMAHA CORP.ML001382Second EditionHAMAMATSU.JAPAN1.26K-202Printed in Japan '90.1