Boss Dr. Rhythm DR-3 Service Notes
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
2
Feb.2003
SPECICATIONS
DR-3: Dr.Rhythm
• Styles
User Style: 100 styles
Preset Style: 100 styles
* 11 patterns for a style
• Songs
User Song: 100
Song Length: Maximum 250 patterns for a song
• TSC (Total Sound Control)
Sound Shape
Preset Patch: 8 patches
User Patch: 8 patches
Ambience
Preset Patch: 8 patches
User Patch: 8 patches
• Max Polyphony
12 voices
• Instrument
Drum and Perc: 120
Bass: 12
• Resolution
96 per quarter note
• Tempo
20-260 bpm
• Recording Method
Realtime / Step
• Pads
13 (Velocity-sensitive)
• Display
Backlit LCD (16 Characters x 2 Lines)
• Connectors
Output Jack: L, R (RCA phono type),
L (PHONES), R (MONO) (1/4 inch phone type)
Foot Switch Jack (Stereo 1/4 inch phone type)
MIDI IN Connector
DC IN (AC Adaptor Jack)
• Power Supply
DC 9V: Dry Battery x 6, AC Adapter (PSA series)
• Power Consumption
200 mA
* Expected battery life under continuous use:
Alkaline: approx. 5 hours
This figures will vary depending on the actual conditions of use.
• Dimensions
213 (W) x 185 (D) x 53 (H) mm
8-7/16 (W) x 7-5/16 (D) x 2-1/8 (H) inches
• Weight
710 g / 1 lb 10 oz (excluding dry batteries)
• Accessories
Owner’s Manual English (#03236845)
Alkaline Dry Battery (LR6 (AA) type) x 6 (#********)
• Options
AC Adaptor: PSA Series
Foot Switch: FS-5U
Foot Switch Cable: PCS-31 (Roland)
(1/4inch Phone Plug (stereo)-1/4inch Phone Plug (mono) x 2)
* In the interest of product improvement, the specifications and/or appearance of
this unit are subject to change without prior notice.
3
DR-3
LOCATION OF CONTROLS
fig.panel
LOCATION OF CONTROLS
PART LIST
[Parts]
No
Part Code Part Name Q’ty
1 F2477101 DR-KNOB 1
2 02671212 ROTARY ENCODER EVE GB1F15 24B 1
3 03237812 RUBBER SW FOR DR-3 1
4 01566445 DIN CONNECTER YKF51-5067 (take off the shield plate) 1
5 02897334 6.5M JACK HTJ-064-10D 1
6 00569278 6.5M JACK LGR4609-7100 2
7 00451434 RCA(PIN) JACK YKC21-3120 2
8 03237823 ROTARY POTENTIOMETER RK09K12A0 1
9 03237834 SLIDE SWITCH SK1209RG9 1
10 13449711 DC JACK HEC0470-01-630 1
11 03237845 BOTTOM FOOT 4
4
Feb.2003
EXPLODED VIEW
fig.bunkai
EXPLODED VIEW PART LIST
4
8
5
6
3
5
7
1
2
9
No
Part Code Part Name Q’ty
1 F2477101 DR-KNOB 1
2 03237812 RUBBER SW 1
3 G2027602 BATTERY COVER 1
4 G2017617 BATTERY CASE 1
5 G2177304 BATTERY TERMINAL(+/-) 2
6 G2177306 BATTERY TERMINAL(-) 1
7 G2177305 BATTERY TERMINAL(+) 1
8 03237856 BATTERY WIRING 1
9 03237845 BOTTOM FOOT 4
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