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Yamaha YPT-220 User Manual

Yamaha YPT-220
41 pages
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SERVICE MANUAL
HAMAMATSU, JAPAN
SERVICE MANUAL
PK
001827
Copyright (c) Yamaha Corporation. All rights reserved. PDF
&
’09.04
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PROCEDURE(分解手順)....................... 9
LSIPINDESCRIPTION(LSI 端子機能表)....................... 15
ICBLOCKDIAGRAM(IC ブロック図)............................ 17
CIRCUIT BOARDS(シート基板図) ................................. 18
TESTPROGRAM(テストプログラム) ....................... 21/23
SYSTEMBOOTINGFLOWCHART
(起動フローチャート) .................................................. 25/26
MIDIIMPLEMENTATIONCHART
(MIDI インプリメンテーションチャート) ........................ 27
MIDIDATAFORMAT ........................................................ 28
PARTS LIST
OVERALLCIRCUITDIAGRAM(総回路図)
Products names are as follows.
商品は以下にな。)
For Japanese market(国内向け):
For overseas market(海外向け):
DIGITAL KEYBOARD
* YPT-220 is an overseas export model.
(YPT-220 は輸出専用モデルです。
PSR-E223
YPT-220

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Yamaha YPT-220 Specifications

General IconGeneral
Number of Keys61
Polyphony32
Voices375
Styles100
DisplayLCD
MIDIYes
Number of Preset Songs102
Amplifiers2.5W + 2.5W
Touch SensitivityNo
EffectsReverb, Chorus
Demo SongsYes
Weight4.5 kg
Speakers Size2 x 12 cm
Power SupplyPA-130 or batteries
ConnectionsHeadphones, Sustain Pedal

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