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Yamaha Portable Grand DGX-505 User Manual

Yamaha Portable Grand DGX-505
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DGX-305/DGX-505
1
SERVICE MANUAL
PK
001720
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF- K7062 ’04.06
DGX-305
DGX-505
OPTION LW-16 Keyboard Stand
DGX-305 20040601-63000
DGX-505 20040601-88000
LW-16 20040601- 9000
(目次)
(総合仕様)
(パネルレイアウト)
(ユニットレイアウト&結線図)
(ユニットレイアウト&結線図)
(ブロックダイアグラム)
(分解手順)
(分解手順)
(LSI端子機能表)
(ICブロック図)
(シート基板図)
(テストプログラム)
(初期化)
(ユーザーデータのバックアップ)
(起動フローチャート)
(総回路図)
CONTENTS
SPECIFICATIONS .............................................. 3/4
PANEL LAYOUT ..................................... 5
DGX-305 CIRCUIT BOARD LAYOUT &WIRING ..................... 7
DGX-505 CIRCUIT BOARD LAYOUT &WIRING ..................... 9
BLOCK DIAGRAM .......................... 11
DGX-305 DISASSEMBLY PROCEDURE ........... 12
DGX-505 DISASSEMBLY PROCEDURE ........... 19
LSI PIN DESCRIPTION ............................. 26
IC BLOCK DIAGRAM .................................. 29
CIRCUIT BOARDS ....................................... 30
TEST PROGRAM ............................ 45/47
INITIALIZATION ....................................................... 50
USER DATA BACKUP
.......... 51/56
SYSTEM BOOTING FLOWCHART ................................... 61/62
MIDI IMPLEMENTATION CHART .......................................... 63
PARTS LIST
OVERALL CIRCUIT DIAGRAM

Table of Contents

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Yamaha Portable Grand DGX-505 Specifications

General IconGeneral
DisplayBacklit LCD
Polyphony32 notes
Voices12 Drum Kits
EffectsReverb, Chorus, DSP
Songs30 preset songs
Recording5 songs, 6 tracks
ConnectivityUSB to Host, Headphone jack, Sustain pedal jack
Styles135 styles
Included AccessoriesMusic Rest
Keyboard TypeGraded Soft Touch (GHS) keyboard

Summary

SAVING DATA

Saving and backing up your data

Describes saving data to internal flash memory and external media for safety.

SPECIFICATIONS

PANEL LAYOUT

Front Panel Controls

Details the layout and function of the front panel controls and buttons.

DGX-305 DISASSEMBLY PROCEDURE

DGX-505 DISASSEMBLY PROCEDURE

TEST PROGRAM

INITIALIZATION

USER DATA BACKUP

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