雅马哈Yamaha-DG60FX-112-Service-Manual维修服务手册说明书含电器原理图

GUITAR AMPLIFIERDGGOFx-nSERVICE MANUAL多YAMAH■CONTENTSSPECIFICATIONS3/4PANEL LAYOUT..5CIRCUIT BOARD LAYOUT441…BLOCK DIAGRAMWIRING10DISASSEMBLY PROCEDURE…11LSI PIN DESCRIPTION15IC BLOCK DIAGRAM18CIRCUIT BOARDS20TEST PROGRAM3ERROR MESSAGES33IDLING ADJUSTMENT33MIDI IMPLEMENTATION CHART34PARTS LISTThis document is printed on chlorne fee (ECF)paper with soy ink.OVERALL CIRCUIT DIAGRAMYAMAHAGA011540HAMAMATSU,JAPAN20001101-750001.552K-448 1.TPrinted in Japan 2000.11