雅马哈Yamaha-MU128-Tone-Generator-Service-Manual维修服务手册说明书含电器原理图

YAWU-02596TONE GENERATORI己三SERVICE MANUAL■CONTENTSPANEL LAYOUT.3SPECIFICATIONS..........4CIRCUIT BOARD LAYOUT...................6WIRING BLOCK DIAGRAM.....7DISASSEMBLY PROCEDURE8CIRCUIT BOARDS.......11LSI PIN DESCRIPTION...........13IC BLOCK DIAGRAM..........15TEST PROGRAM....................18INITIALIZE.26ERROR MESSAGES...................28CONNECTING CABLES.......29MIDI IMPLEMENTATION CHART ......30PARTS LISTOVERALL CIRCUIT DIAGRAMSY011451YAMAHAHAMAMATSU.JAPAN0.32K-5351 1 Printed in Japan'98.12