Yamaha Portable Grand YPG-635 User Manual

SERVICE MANUAL
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. ’08.04
CL 001802
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）................................... 6/8
CIRCUIT BOARD LAYOUT & WIRING
（ユニットレイアウト＆結線図）........................................... 10
DISASSEMBLY PROCEDURE（分解手順）............................ 12
LSI PIN DESCRIPTION（LSI 端子機能表）............................. 23
IC BLOCK DIAGRAM （IC ブロック図）................................. 27
CIRCUIT BOARDS（シート基板図）...................................... 28
TEST PROGRAM（テストプログラム）............................ 39/43
INITIALIZATION（初期化）................................................. 48/49
USER DATA BACKUP（ユーザーデータのバックアップ） .... 50/55
MIDI IMPLEMENTATION CHART
（MIDI インプリメンテーションチャート）............................ 60
MIDI DATA FORMAT ............................................................... 61
PARTS LIST
OVERALL CIRCUIT DIAGRAM（総回路図）
DIGITAL PIANO
DGX-630 YPG-635
As for an optional LP-7 pedal unit,
refer to the LP-7 service manual
(CL 001803 ).
オプションの PedalUnitLP-7 は、
サービスマニュアルCL001803
をご覧下さい。

Yamaha Portable Grand YPG-635 Specifications

General

Keyboard	88 keys, Graded Hammer Standard (GHS) keyboard
Preset Songs	30
Amplifiers	6W + 6W
Touch Sensitivity	Hard/Medium/Soft/Fixed
Styles	160
Fingering	Multi Finger, Full Keyboard
Style Control	Intro, Main x 2, Fill-in, Ending
Music Database	305
One Touch Setting (OTS)	Yes
Data Capacity (Recording)	Approx. 30, 000 notes
Compatible Data Format (Playback)	SMF
Recording Function	Yes
Metronome	Yes
Tempo Range	32 - 280
Transpose	-12 to 0, 0 to +12
USB to Host	Yes
Headphones	Yes
Voices	500 voices (including 12 drum/SFX kits)
Display	320 x 240 dots LCD
Speakers	12cm x 2
Featured Voices	Live! Grand Piano
Effects	Reverb, Chorus, DSP
Songs (Recording)	5 Songs
Compatible Data Format (Recording)	SMF
Tuning	414.8 ~ 440.0 ~ 446.8 Hz
Power Supply	PA-150 or an equivalent recommended by Yamaha
Connectivity	USB TO HOST
Included Accessories	Music Rest
Polyphony	64 notes