Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
Printed in Japan (0800) (SC)17058151E0
Feb.2003
DR-3
SERVICE NOTES
Issued by RJA
TABLE OF CONTENTS
SPECIFICATIONS.............................................................2
LOCATION OF CONTROLS ..........................................3
LOCATION OF CONTROLS PARTS LIST ...................3
EXPLODED VIEW ............................................................4
EXPLODED VIEW PARTS LIST .....................................4
PARTS LIST........................................................................5
TEST MODE.......................................................................6
TEST MODE ERROR MESSAGE ..................................10
RESTORING THE FACTORY SETTINGS...................11
SYSTEM SOFTWARE UPDATE PROCEDURES........11
INPORTANT CAUTIONS WHEN REPLACING
THE PIEZO PICKUP OR BATTERY WIRING............12
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