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SYSTEM BOOTING FLOW CHART For Japanese market(国内向け): (システム起動フローチャート) ..........40/41 PARTS LIST BLOCK DIAGRAM(ブロックダイアグラム) For overseas market(海外向け): CIRCUIT BOARD LAYOUT & WIRING DIGITAL KEYBOARD (ユニットレイアウト&結線図) OVERALL CIRCUIT DIAGRAM(総回路図) 001903 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF ’14.02...
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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 therefore not been restated.
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PSR-E443 ■ DISASSEMBLY PROCEDURE(分解手順) Caution: Be sure to attach the removed fi lament tape just as it was before removal. 注意 : 分解時に取り外したフィラメントテープは、必ず元通りに取り付けてください。 Lower Case Assembly 1. 下ケース Ass'y(所要時間 : 約 2 分) (Time required: About 2 minutes) 1-1 [80] のネジ 6 本、[90] のネジ 2 本と [100] のネジ 2 ...
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PSR-E443 AMJK Circuit Board 2. AMJK シート(所要時間 : 約 3 分) (Time required: About 3 minutes) 2-1 下ケース Ass'y を外します。 (1 項参照) Remove the lower case assembly. (See procedure 1.) 2-2 [380A] のネジ 8 本および [380A-2] の DC-IN シート Remove the eight (8) screws marked [380A] and two ...
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PSR-E443 (Vツマミ) (エンコーダツマミ) Fig.3 (図 3) Fig.4 (図 4) TW Circuit Boards and Speakers (Tweeters) 5. TW シート、スピーカ(ツイーター) (Time required: About 3 minutes each) (所要時間 : 各約 3 分) Remove the lower case assembly. (See procedure 1.) 5-1 下ケース Ass'y を外します。 (1 項参照)...
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PSR-E443 (下から見た図) (ホイールAss'y) Fig.5 (図 5) LCD (Time required: About 6 minutes) 9. 液晶ディスプレイ(所要時間 : 約 6 分) Remove the lower case assembly. (See procedure 1.) 9-1 下ケース Ass'y を外します。 (1 項参照) Remove the DMLCD circuit board.(See procedure 8.) 9-2 ...
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PSR-E443 PNR Circuit Board 11. PNR シート(所要時間 : 約 5 分) (Time required: About 5 minutes) 11-1 下ケース Ass'y を外します。 (1 項参照) 11-1 Remove the lower case assembly. (See procedure 1.) 11-2 下ケース鍵盤 Ass'y を外します。 (7 項参照) 11-2 Remove the lower key bed assembly.
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PSR-E443 Disassembling Keyboard Assembly 鍵盤 Ass y の分解(所要時間 : 約 13 分) . (Time required: About 13 minutes) 14-1 下ケース Ass'y を外します。 (1 項参照) 14-1 Remove the lower case assembly. (See procedure 1.) 14-2 下ケース鍵盤 Ass'y を外します。 (7 項参照) 14-2 Remove the lower key bed assembly. (See procedure 7.) 14-3 ...
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PSR-E443 (上から見た図) (接点ゴム) (接点ゴム) (接点ゴム) (接点ゴム) (接点ゴム) Fig.10 (図 10) 61L-MK 61H-MK Fig.11 (図 11) 14-5 Circuit Board 61L-MK シート 61L-MK 14-5 14-5-1 Remove the white and black keys from C1 to B3. 14-5-1 C1 〜 B3 の白鍵・黒鍵を外します。 (See Fig.9 and Procedure 14-3.) ...
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PSR-E443 How to Remove Spring Terminals 接点バネの外し方 . 15-1 Spring Terminal A and Spring Terminal B 15-1 接点バネ A、 接点バネ B (所要時間 : 各約 4 分) (Time required: About 4 minutes each) 15-1-1 下ケース Ass'y を外します。 (1 項参照) 15-1-1 Remove the lower case assembly. (See procedure 1.) 15-1-2 ...
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PSR-E443 DMLCD Circuit Board Test 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 No LCD display with Power SW ON -- > Check items 1 to 5 sequentially No sound or distorted sound -- >...
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PSR-E443 ■ TEST PROGRAM * If the test number 60 “Factory Set” is executed, the data already set will be lost. Preparations 1) Use an AC adaptor PA-5D, PA-150, PA-150A or PA-150B. 2) Measuring device: Frequency counter, which can detect thousandth value or more, Level meter (with JIS-C filter), Oscilloscope Note: Use a stereo plug and connect a load resistor of 33 Ω...
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PSR-E443 TEST Test descriptions, judging conditions, etc. LCD display FRomChk1 Checks the FROM connected to the CPU bus. Confi rm that “FRom OK” is shown on the LCD. Pit Chk Checks pitch accuracy. Connect the frequency counter to the [PHONES/OUTPUT] jack. (Either L or R) Confi...
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PSR-E443 TEST Test descriptions, judging conditions, etc. LCD display PD1 Chk Before power switch ON, Connect a footswitch (FC-4 or FC-5) to the [SUSTAIN] jack. Check that “PD1 On” is shown on the LCD and C3 sound is played when the [START/STOP] button is pressed with the pedal released.
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PSR-E443 • 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. Confi rm 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-E443 ■ BACKUP The following settings are always backed up, and are maintained even when the power is turned off. Backup parameters • User Songs • Style Number 201-205 • Registration Memory • FUNCTION Settings: Tuning, Split Point, Touch Response, Style Volume,...
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PARTS LIST CONTENTS(目次) OVERALL ASSEMBLY(総組立) ..........2 UPPER CASE ASSEMBLY(上ケ−ス Ass y) ......4 LOWER KEY BED ASSEMBLY(下ケース鍵盤 Ass y) ....6 LOWER CASE ASSEMBLY(下ケ−ス Ass y) ......7 KEYBOARD ASSEMBLY(16NS 鍵盤) ........8 ELECTRICAL PARTS(電気部品) ......... 9-12 Notes : DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model...