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................35 (初期化) SYSTEM BOOTING FLOWCHART ....36/37 (起動フローチャート) DMLCD CIRCUIT BOARD CHECK METHOD For overseas market(海外向け) : ...............38/39 (DMLCD シートチェック方法) DIGITAL KEYBOARD PARTS LIST OVERALL CIRCUIT DIAGRAM (総回路図) 001891 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. AM YBS ´13.03...
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IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have there- fore not been restated.
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Included Accessories Yamaha) • Online Member Product Registration *1 May not be included depending on your particular area. Please check with your Yamaha dealer. • AC Power Adaptor: Accessories Users within U.S or Europe: PA-130 or an equivalent recommended by Yamaha...
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PSR-E243/YPT-240/PSR-E244 ■ DISASSEMBLY PROCEDURES (分解手順) Caution: Be sure to attach the removed filament tape just 注意: 分解時に取り外したフィラメントテープは、必ず元 as it was before removal. 通りに取り付けてください。 Lower Case Assembly 1. 下ケース Ass'y (Time required: About 2 minutes) (所要時間:約 2 分) Remove the fi ve (5) screws marked [80A] and the four (4) 1-1 ...
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PSR-E243/YPT-240/PSR-E244 DMLCD Circuit Board, LCD 2. DMLCD シート、液晶ディスプレイ (Time required: About 3 minutes each) (所要時間:各約 3 分) Remove the lower case assembly. (See procedure 1.) 2-1 下ケース Ass'y を外します。 (1 項参照) DMLCD circuit board 2-2 DMLCD シート 2-2-1 Remove the thirteen (13) screws marked [380A]. The 2-2-1 ...
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PSR-E243/YPT-240/PSR-E244 PNAM (MVR) Circuit Board 3. PNAM(MVR)シート (Time required: About 3 minutes) (所要時間:約 3 分) Remove the lower case assembly. (See procedure 1.) 3-1 下ケース Ass'y を外します。 (1 項参照) Remove the knob from the control panel surface. 3-2 コントロールパネル面から V ツマミを外します。...
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PSR-E243/YPT-240/PSR-E244 Disassembling Keyboard Assembly 8. 鍵盤 Ass'y の分解 (Time required: About 13 minutes) (所要時間:約 13 分) Remove the lower case assembly. (See procedure 1.) 8-1 下ケース Ass'y を外します。 (1 項参照) Remove the lower key bed assembly. (See procedure 7.) 8-2 ...
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PSR-E243/YPT-240/PSR-E244 Rubber Contact 8-4 接点ゴム 8-4-1 Remove the white and black keys corresponding to the 8-4-1 外そうとする接点ゴムに対応した白鍵・黒鍵を外し rubber contacts to be removed. ます。 (図 5、8-3 項参照) (See Fig. 5 and Procedure 8-3.) 8-4-2 それぞれの接点ゴムを外します。 (写真 2、図 6) 8-4-2 Remove the rubber contacts. (Photo 2, Fig. 6) 8-5 ...
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PSR-E243/YPT-240/PSR-E244 How to Remove Spring Terminals 9. 接点バネの外し方 Spring Terminal A and Spring Terminal B 9-1 接点バネ A、接点バネ B (Time required: About 4 minutes each) (所要時間:各約 4 分) 9-1-1 Remove the lower case assembly. (See procedure 1.) 9-1-1 下ケース Ass'y を外します。 (1 項参照)...
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PSR-E243/YPT-240/PSR-E244 ■ LSI PIN DESCRIPTION (LSI 端子機能表) AK4420ET-E2 (YE876A00) DAC (Digital to Analog Converter) ..................15 ML9040A-B01GAZ03A (XZ987A01) LCD DRIVER ....................15 NT3881DFG-01 (X3148A0R) LCD DRIVER .......................15 SPLC780D1-001A-HQ1 (YC471A00) LCD DRIVER ....................15 SWL01U (YA876A01) CPU ............................16 • AK4420ET-E2 (YE876A00) DAC (Digital to Analog Converter)
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PSR-E243/YPT-240/PSR-E244 • SWL01U (YA876A01) CPU DMLCD: IC101 NAME FUNCTION NAME FUNCTION – Connection to the GND – Connection to the GND – Connection to the GND – Connection to the GND EA3/PD3/KYN24 MD03 EA2/PD2/KYN23 MD11 ON/OFF signal from the keyboard...
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PSR-E243/YPT-240/PSR-E244 • DMLCD Circuit Board <PSR-E243, YPT-240 and Service parts> Commonly used for YF591B0 / YF591B0 併用 to PNAM-CN205 to 61L-CN1 to 61H-CN1 to PNAM-CN203 to PNR-CN301 WH010 GND1 WIRE USB TO HOST SUSTAIN Component side (部品側) 2NA-ZG77560...
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PSR-E243/YPT-240/PSR-E244 • DMLCD Circuit Board <PSR-E243, YPT-240 and Service parts> Pattern side (パターン側) 2NA-ZG77560...
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DMLCD Circuit Board < PSR-E244 > YF542A0 併用 to PNAM-CN205 to 61L-CN1 to 61H-CN1 to PNAM-CN203 to PNR-CN301 USB TO HOST SUSTAIN Component side (部品側) 注: このシートは PSR-E244 に使用しています。 なお、 サービスパーツとしての DMLCD シートの供給は、 PSR-E243 / YPT-240 用シート(ZG868500) (18 ページ参照)のみとなります。 (両シートは互換性あり) 2NA-ZD82270...
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PSR-E243/YPT-240/PSR-E244 • PNAM Circuit Board to DMLCD-CN601 to DMLCD-CN201 INTRO/ MAIN/ SYNC START ENDING/rit. START/STOP ENDING/rit. AUTO FILL to PNAM(MVR)-CN401 PART L PART R WAITING TEMPO/TAP METRONOME TIMING WH060 GND2 WIRE * 注 LISTEN & DEMO FUNCTION LEARN to SPEAKER L...
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PSR-E243/YPT-240/PSR-E244 • PNR Circuit Board SOUND PORTABLE ULTRA-WIDE to SPEAKER R EFFECT GRAND STEREO – STYLE VOICE SONG to DMLCD-CN202 Component side (部品側) Pattern side (パターン側) 2NA-ZD82290-1...
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PSR-E243/YPT-240/PSR-E244 ■ TEST PROGRAM If the test number 60 “Factory Set” is executed, the data already set will be lost. 1 Preparations AC adaptor Use an AC adaptor PA-3C, PA-130 or PA-130A. Measuring device • Frequency counter, which can detect thousandth value or more •...
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PSR-E243/YPT-240/PSR-E244 4 Test Program List (dBu=dBm) TEST No LCD display Test descriptions, judging conditions, etc. Version Displays version of the ROM. Version of each data is shown by pressing a numeric key as follows. [TENKEY 1] Main Program Version “*** Main”...
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PSR-E243/YPT-240/PSR-E244 • Other Tests Popping Noise Check Connect the oscilloscope to the L/R of the [PHONES/OUTPUT] jack and turn on and then off the [ ] (Standby/On) switch. Make sure that popping noise level is 1.0 Vp-p or less, and that no abnormal sound or popping noise is output from the speakers.
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PSR-E243/YPT-240/PSR-E244 4 テスト一覧 (dBu=dBm) テスト No LCD 表示 テスト内容及び判定条件など Version ROM のバージョンを表示します。 テンキーを押すと以下のデータごとのバージョン表示をします。 [テンキー 1]Main Program Version *** Main [テンキー 2]Boot Program Version *** Boot [テンキー 3]Style Data Version *** Style [テンキー 4]Song Data Version *** Song [テンキー 5]Voice Parameter Version *** Param [テンキー 6]Wave Data Version *** Wave ***:Version ROM のバージョンは Main で管理します。 Boot/Style/Song/Voice/Wave のバージョンが変化した時は Main も変化するの...
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PSR-E243/YPT-240/PSR-E244 ■ BACKUP PARAMETERS (バックアップデータ) The following settings are always backed up, and maintained even 以下の設定は自動的にバックアップされるため、電源を切っ when this instrument is turned off. ても消えません。 Backup parameters バックアップされる内容 • FUNCTION Settings: ・ 機能設定: Tuning, Your Tempo, Master EQ type, Panel Sustain, チューニング、ユアテンポ、マスター...
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PSR-E243/YPT-240/PSR-E244 ■ SYSTEM BOOTING FLOWCHART Meaning of marks Description of Normal Process NG judgment Power On Description of Judgment operation IC101 164Pin PF3 L → H Boot Indication RAM Process When the power button is pressed and released, the Timer interrupt setup backlight turns off and the LED does not light at all.
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PSR-E243/YPT-240/PSR-E244 ■ 起動フローチャート 解説 通常処理 NG 判定解説 Power On 判断 動作解説 IC101 164Pin PF3 L → H Boot 表示 RAM 関連処理 電源を押して離したときに バックライトが切れたり、 タイマー割り込み設定 LED がまったくつかない。 IC101 36Pin PFO L → HLHL··· 電源を確認してください。 割り込み解除 IC101 50Pin PG2 H → HLHL··· 電源に異常がない場合、 DMLCD OS 起動 シートを交換してください。 初期化タスク終了 初期化タスク起動 Boot は通るがここまで動作しない場合、 Program ROM (IC103) は問題ない。 SWL01U (IC101) が不良。 割り込みベクタ設定 100mSec 後にテストモードの判断 SW/LED 初期ドライブ信号出力...
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PSR-E243/YPT-240/PSR-E244 ■ DMLCD CIRCUIT BOARD CHECK METHOD The DMLCD Circuit Board is provided with test points for service check purposes. Check the test points on the DMLCD Circuit Board if the following symptoms appear. Symptoms and check items -- >...
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