雅马哈Yamaha-Stagepas-250M-Service-Manual维修服务手册说明书含电器原理图

PORTABLE PA SYSTEMSTAGEPAS 250MSERVICE MANUALSpeakerMixer■CONTENTS(目次)SPECIFICATIONS(総合仕樣)..3PANEL LAYOUT(/パ礻儿不了卜)..........…DIMENSIONS(寸法☒)...CIRCUIT BOARD LAYOUT(ユ二y卜亻F卜).5DISASSEMBLY PROCEDURE(分解手順)LSI PIN DESCRIPTION(LSI端子機能表).14IC BLOCK DIAGRAM(ICブ▣y夕☒)........16CIRCUIT BOARDS（一卜基板☒).17INSPECTIONS(検查).2ADJUSTMENT OF AMPLIFIER UNIT(了ブ工二以卜刃調整)…28INITIAL SETTING(出荷時)設定)28PARTS LISTBLOCK DIAGRAM(ブ口y夕ダ亻予5ラ厶)CIRCUIT DIAGRAM(回路☒)PA011912YAMAHA20080527-99540HAMAMATSU.JAPANCopyright (c)Yamaha Corporation.All rights reserved.PDFM'08.06