SERVICE MANUAL
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. ’06.10
PK 001769
CONTENTS(目次)
SPECIFICATIONS(総合仕様).............................................. 3/4
BLOCK DIAGRAM(ブロックダイアグラム)........................... 5
PANEL LAYOUT(パネルレイアウト)..................................... 6
CIRCUIT BOARD LAYOUT & WIRING
(ユニットレイアウト及び結線図)................................... 8
EXTENSION CABLE FOR SERVICE USE
(サービス用延長ケーブル).............................................. 9
DISASSEMBLY PROCEDURE(分解手順)........................... 10
LSI PIN DESCRIPTION(LSI 端子機能表)............................. 17
IC BLOCK DIAGRAM (IC ブロック図)................................. 22
CIRCUIT BOARDS(シート基板図)...................................... 23
TEST PROGRAM(テストプログラム)............................ 35/38
INITIALIZATION(初期化)................................................. 42/43
DATA BACKUP(ユーザーデータのバックアップ)........... 44/48
SYSTEM BOOTING FLOW CHART
(システム起動フローチャート)................................ 52/53
MIDI IMPLEMENTATION CHART
(MIDI インプリメンテーションチャート)..................... 54
MIDI DATA FORMAT ............................................................... 55
PARTS LIST
OVERALL CIRCUIT DIAGRAM(総回路図)