SERVICE NOTES
Issued by RJA
Copyright © 2010 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-KWS17058637E0
Sep. 2009 SP-404SX
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls .........................................................4
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Plain View ..........................................................................8
Plain View Parts List.........................................................9
Parts List...........................................................................10
Verifying the Version Numbers....................................12
Formatting an SD Card ..................................................12
Data Backup and Restore Operations ..........................12
Performing a Factory Reset............................................14
Updating the System ......................................................15
Test Mode.........................................................................16
Block Diagram/Wiring Diagram..................................20
Circuit Board (Panel Board, Jack Board)......................22
Circuit Diagram (Panel Board)......................................24
Circuit Diagram (Jack Board) ........................................26
Revise Information
Jun. 30, 2010 p. 15, p. 17 Corrected an error.
Feb. 28, 2013 p. 17 Corrected errors.
Dec. 10, 2015 p. 15, p. 18 Added descriptions.
Apr. 12, 2017 p. 2 Deleted the circuit diagrams for Main Board.
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