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-OKN17057138E0
Oct. 2017 DJ-202
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................2
Location of Controls (Top)...............................................3
Location of Controls (Top) Parts List .............................3
Location of Controls (Front, Rear)..................................4
Location of Controls (Front, Rear) Parts List ................4
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Plain View (1).....................................................................8
Plain View (1) Parts List...................................................8
Plain View (2).....................................................................9
Plain View (2) Parts List...................................................9
Disassembly Procedure..................................................10
Wiring Diagram/Block Diagram..................................11
Parts List...........................................................................12
The Locations of the Buttons Using the Operation ....14
Verifying the Version......................................................14
Data Backup and Restore Operations ..........................15
Updating the System ......................................................16
Performing a Factory Reset............................................16
Test Mode.........................................................................16
Circuit Board (Jack, Phones, Sensor Board) ................20
Circuit Diagram (Jack Board: 1/3)................................22
Circuit Diagram (Jack Board: 2/3)................................24
Circuit Diagram (Jack Board: 3/3)................................26
Circuit Board (Panel Board)...........................................28
Circuit Diagram (Panel Board)......................................30
Circuit Board (XFDR, Panel-C Board)..........................32
Circuit Diagram (Panel-C Board: 1/2) .........................34
Circuit Diagram (Panel-C Board: 2/2) .........................36
Circuit Diagram (XFDR Board).....................................38
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General
Weight and Dimensions
