雅马哈Yamaha-DG100-212-Service-Manual维修服务手册说明书含电器原理图

GUITAR PRE-AMPLIFIER2f1oo-22SERVICE MANUAL-291oo零YAMAHA■CONTENTSSPECIFICATIONS.3PANEL LAYOUT....................................................4CIRCUIT BOARD LAYOUT…BLOCK DIAGRAM..........................................................DISASSEMBLY PROCEDURE..........................................LSI PIN DESCRIPTION…9IC BLOCK DIAGRAM…12CIRCUIT BOARDS…14…TEST PROGRAM......................18ERROR MESSAGES…21MIDI IMPLEMENTATION CHART......................22PARTS LISTOVERALL CIRCUIT DIAGRAMGA011400米YAMAHA19980301-198000HAMAMATSU.JAPAN2.1K-656 Printed in Japan 98.03