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Yamaha PSR-E243 - Service Manual

Yamaha PSR-E243
53 pages
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SERVICE MANUAL
PK
001891
Copyright (c) Yamaha Corporation. All rights reserved.
AM
YBS ´13.03
YPT-240PSR-E243
PSR-E244
HAMAMATSU, JAPAN
Products names are as follows.
(商品名は以下のようになります。
For Japanese market(国内向け) :
For overseas market(海外向け) :
DIGITAL KEYBOARD
CONTENTS
(目次)
SPECIFICATIONS
(総合仕様)
...................................................................3/4
PANEL LAYOUT
(パネルレイアウト)
...........................................................5
CIRCUIT BOARD LAYOUT & WIRING
(ユニットレイアウト & 結線図)
.......7
BLOCK DIAGRAM
(ブロックダイアグラム)
.................................................8
DISASSEMBLY PROCEDURES
(分解手順)
.................................................9
LSI PIN DESCRIPTION
(LSI 端子機能表)
...................................................15
CIRCUIT BOARDS
(シート基板図)
.............................................................17
TEST PROGRAM
(テストプログラム)
..................................................29/32
BACKUP PARAMETERS
(バックアップデータ)
.........................................35
INITIALIZATION
(初期化)
..........................................................................35
SYSTEM BOOTING FLOWCHART
(起動フローチャート)
....................36/37
DMLCD CIRCUIT BOARD CHECK METHOD
(DMLCD シートチェック方法)
...............................................................38/39
PARTS LIST
OVERALL CIRCUIT DIAGRAM
(総回路図)

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