Roland E-X20 User Manual

SERVICE NOTES
Issued by RJA
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.
CC-KWS17057160E0
E-X20, E-X20ADec. 2017
Table of Contents
Cautionary Notes ..............................................................2
Specifications of E-X20 .....................................................3
Specification of E-X20A....................................................4
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Accessories Parts List........................................................7
Connecting Wirings ..........................................................8
System Self-test..................................................................9
E-X20
E-X20A
Revise Information
Mar. 29, 2019 p. 4, p. 7 Added a model.
Feb. 9, 2021 p. 9 Added a section.
Mar. 4, 2022 p. 4, p. 7 Added a part.

Roland E-X20 Specifications

General

Polyphony	128 voices
Effects	Reverb, Chorus
Display	Custom LCD
Speakers	12 cm x 2
Metronome	Yes
Transpose	Yes
Octave Shift	Yes
Bluetooth	No
Keyboard	61 keys
Amplifiers	2.5 W + 2.5 W
Weight	3.9 kg
Power Supply	AC adaptor or batteries
Connectors	USB

Summary

Cautionary Notes

User Data Cannot Be Backed Up

User data cannot be backed up to external media or written on paper, posing a data loss risk.

Specifications of E-X20

Specification of E-X20A

Exploded View

Exploded View Parts List

Accessories Parts List

Lists included accessories like owner's manuals, AC adaptors, and music rests for the unit.

Connecting Wirings

System Self-test

Test 1: Display Firmware Version

Checks and displays the current firmware version number of the E-X20/E-X20A.

Test 2: LCD Inspection

Evaluates the functionality and visual quality of the unit's LCD screen.

Test 3: Function Buttons Inspection

Verifies that all physical function buttons on the keyboard operate correctly.

Test 4: Keys Inspection

Tests the responsiveness and accuracy of each individual key press.

Test 5: Pedals Inspection

Confirms that connected pedals are recognized and function as expected.

Test 6: ADC Inspection

Inspects Analog-to-Digital Converter inputs, likely for control signals.

Test 7: Audio Test Signal Inspection

Outputs various audio signals to test speaker and audio path integrity.

Test 8: Data Interface and Memory Inspection

Checks the USB data interface and internal RAM/ROM memory for proper operation.