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Dec. 2017
Table of Contents
Cautionary Notes ..............................................................2
Specifications of E-X20 .....................................................3
Specification of E-X20A ....................................................4
Exploded View ..................................................................6
Copyright © 2017 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
Exploded View Parts List.................................................7
Accessories Parts List........................................................7
Connecting Wirings ..........................................................8
System Self-test..................................................................9
E-X20
E-X20A
17057160E0
E-X20,
SERVICE NOTES
Issued by RJA
Revise Information
Mar. 29, 2019
p. 4, p. 7
Feb. 9, 2021
p. 9
Mar. 4, 2022
p. 4, p. 7
E-X20A
Added a model.
Added a section.
Added a part.
CC-KWS
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Summary of Contents for Roland E-X20
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Page 1: Table Of Contents
Dec. 2017 E-X20, E-X20A SERVICE NOTES Issued by RJA Table of Contents Cautionary Notes ..............2 Exploded View Parts List..........7 Specifications of E-X20 .............3 Accessories Parts List............7 Specification of E-X20A ............4 Connecting Wirings ............8 Exploded View ..............6 System Self-test..............9 E-X20 E-X20A Revise Information Mar. -
Page 2: Cautionary Notes
• Because reissuance is restricted. • Because the part is made to order (at current market price). • Because it is carried in electronic data on the Roland web site. • Because it is a package or an accessory irrelevant to the function maintenance of the main body. -
Page 3: Specifications Of E-X20
Dec. 2017 E-X20, E-X20A Specifications of E-X20 Roland E-X20: Arranger Keyboard Keyboard Song 61 keys (with velocity) Internal Songs 140 songs Sound Generator Recording Maximum Polyphony 10 songs 128 voices Others Parts 16 parts Rated Power Output Wave Memory 3 W + 3 W... -
Page 4: Specification Of E-X20A
0, 2–9 * Printed matters will not be supplied after the end of the production. Then, Song download the electronic file from the Roland web site. * In the interest of product improvement, the specifications and/or appearance of Internal Songs this unit are subject to change without prior notice. - Page 5 Dec. 2017 E-X20, E-X20A...
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Page 6: Exploded View
Dec. 2017 E-X20, E-X20A Exploded View fig.bunkaizu.eps... -
Page 7: Exploded View Parts List
Q'ty 17042123 ROTATE WHEEL ASSY 17042124 JACK BOARD ASSY 17042125 VOLUME BOARD ASSY 17042126 VOLUME KNOB 17042127 MAIN BOARD ASSY for E-X20 17042207 MAIN BOARD ASSY for E-X20A 17042128 ENCODER BOARD ASSY 17042129 ENCODER KNOB 17042130 FUNCTION BOARD ASSY 17042131... -
Page 8: Connecting Wirings
Dec. 2017 E-X20, E-X20A Connecting Wirings fig.wiring.eps Pitchbend cable to CN6 Function board BUSS1 to IO Board CN3 to MB Main board to other board connection Main board other board Function board BUSS1 CN12 Function board BUSS2 Pitchbend Right KEY CN14 to CN14... -
Page 9: System Self-Test
Dec. 2017 E-X20, E-X20A Factory Reset Test 2: LCD Inspection When switch to the Test 2, the LCD will display: LCD TEST Hold down [+/YES] and [-/NO], and turn on the power. Press [+] button can start the LCD inspection, and the LCD will display the test image (Full screen light). - Page 10 Dec. 2017 E-X20, E-X20A Test 3: Function Buttons Inspection When switch to the Test 3, the LCD will display: SHIFT Press the [+] button can start the buttons inspection. In the process of buttons inspection, the LCD will indicate the next button number that need to check.
- Page 11 Dec. 2017 E-X20, E-X20A Test 5: Pedals Inspection Test 8: Data Interface and Memory Inspection When switch to the Test 5, The LCD will display: Ped Test When switch to the Test 8, the LCD will temporary display: BACK:RUN. When the pedals checks are passed, the LCD will display “PASS”.
- Page 12 Dec. 2017 E-X20, E-X20A Appendix: Audio Test Signal 8. White noise Output a white noise signal. 1. Left phase: fig.append-8.eps Left channel output a 1 kHz sine wave, right channel has no output. fig.append-1.eps 9. 100 Hz sine wave fig.append-9.eps 2.
- Page 13 Dec. 2017 E-X20, E-X20A 12. 10 kHz sine wave fig.append-12.eps 13. AP test signal (IMD) fig.append-13.eps 14. AP test signal (MultiTone) fig.append-14.eps...