Dec.2004 DR-880 SERVICE NOTES Issued by RJA TABLE OF CONTENTS CAUTIONARY NOTES........................................................ 2 SPECIFICATIONS................................................................. 2 LOCATION OF CONTROLS............................................... 3 LOCATION OF CONTROLS PARTS LIST ....................... 3 EXPLODED VIEW 1 ............................................................. 4 EXPLODED VIEW 1 PARTS LIST ...................................... 4 EXPLODED VIEW 2 ............................................................. 5 EXPLODED VIEW 2 PARTS LIST ......................................
5 EXPLODED VIEW 3 ............................................................. 6 EXPLODED VIEW 3 PARTS LIST ...................................... 6 EXPLODED VIEW 4 ............................................................. 7 EXPLODED VIEW 4 PARTS LIST ...................................... 7 TAPE for fixed wring............................................................ 8 LOCATION TO PASTE of FOOT (Inside of Bottom) ...... 9 WIRING DIAGRAM........................................................... 10 WIRING DIAGRAM PARTS LIST.................................... 10 PARTS LIST..........................................................................
12 CHECKING THE VERSION NUMBER ...........................16 Computer to DR-880 connection .......................................16 USERS DATA SAVE AND LOAD ....................................16 FACTORY RESET INSTRUCTIONS .................................17 SYSTEM SOFTWARE UPDATING INSTRUCTIONS....18 TEST MODE..........................................................................18 BLOCK DIAGRAM .............................................................28 CIRCUIT BOARD (MAIN BOARD)..................................30 CIRCUIT BOARD (MAIN BOARD)..................................32 CIRCUIT DIAGRAM (MAIN, VOLUME)........................34 CIRCUIT DIAGRAM (JACK).............................................36 CIRCUIT DIAGRAM (POWER) ........................................38 CIRCUIT BOARD (SW).......................................................40 CIRCUIT BOARD (SW).......................................................42 CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES) ..............................................................................44 ERROR MESSAGES.............................................................46 Copyright © 2004 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 (0500) (AS) 17058298E0