Aug.2001 DR-670 SERVICE NOTES Issued by RJA TABLE OF CONTENTS SPECIFICATIONS.............................................................2 LOCATION OF CONTROLS PARTS LIST ...................4 LOCATION OF CONTROLS ..........................................5 EXPLODED VIEW PARTS LIST .....................................6 EXPLODED VIEW ............................................................6 PARTS LIST........................................................................8 IDENTIFYING THE VERSION NUMBER..................11 SAVEING USER DATA & RELOADING SAVED DATA ....11 TEST MODE.....................................................................12 RESET TO DEFAULT FACTORY SETTINGS (FACTORY RESET) ...15 PROCEDURE FOR UPDATING THE SOFTWARE...15 ERROR MESSAGE LIST.................................................16 BLOCK DIAGRAM.........................................................18 CIRCUIT BOARD (MAIN) ............................................20 CIRCUIT DIAGRAM (MAIN).......................................22 CIRCUIT BOARD (JACK)..............................................24 CIRCUIT DIAGRAM (JACK) ........................................26 fig.cover Copyright © 2001 ROLAND CORPORATION All rights reserved.
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