雅马哈Yamaha_AG-StompSERVICE-MANUAL维修手册电器原理图

ACOUSTIC GUITAR PRE-AMPLIFIERH刁-stow钟SERVICE MANUALYAMAHAP0OUTPUMIC TYPETREBLE PRESENC三器”■CONTENTSSPECIFICATIONS3/4PANEL LAYOUT.5BLOCK DIAGRAMCIRCUIT BOARD LAYOUT10WIRING11DISASSEMBLY PROCEDURE12LSI PIN DESCRIPTION8815IC BLOCK DIAGRAM18CIRCUIT BOARDS20TEST PROGRAM28ERROR MESSAGES32MIDI IMPLEMENTATION CHART.................33PARTS LISTThis document is prnted on chlorne fee (ECF)paper with soy inkOVERALL CIRCUIT DIAGRAMYAMAHAGA011589HAMAMATSU,JAPAN1.507K-926 FT Printed in Japan 2001.7