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