Boss DR-880 Service Notes
Dec.2004
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
DR-880
SERVICE NOTES
Issued by RJA
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
Dec.2004
CAUTIONARY NOTES
User data status
User data status after each of the following processes is described below.
Whenever carrying out procedures that involve deleting or erasing user data,
always be sure to back up the user data to some form of external media (refer
to Saving and Loading Data).
Process User Data
Checking Version number Preserved
Factory Reset Deleted
System Update Preserved
Test Mode Preserved
* Executing Test Mode during Factory Reset deletes the user data.
PARTS LIST
Due to one or more of the following reasons, parts with parts code ********
cannot be supplied as service parts.
• Part supplied only as a component in a complete assembly
• Copyright does not permit the part to be supplied
• Part is sold commercially
Resolution
Per quarter note: 96
Tempo
Quarter note: 20-260 bpm
Pads
20 with velocity sensitive
Display
Custom LCD with backlight
Connectors
(Rear)
Master Out L (MONO), R (1/4” Phone Type)
Master Out L, R (Phono Type)
Individual A, B (1/4” Phone Type)
Digital Out (coaxial)
CTL 1,2 (TRS 1/4” Phone Type)
CTL 3,4/EXP PEDAL (TRS 1/4” Phone Type)
USB
MIDI IN, OUT
AC Adaptor
(Front)
Phones (Stereo 1/4” Phone Type)
Guitar/Bass Input (1/4” Phone Type)
CIRCUIT BOARD
NIU meant that "NOT IN USE " there don't set any contents in the Circuit
Diagram.
There has silk-screen only in the Circuit Board.
SPECIFICATIONS
Specifications
DR-880: Dr.Rhythm
Maximum Polyphony
32 voices
* Depending on the bass tone used, maximum polyphony may be lower.
Instruments
Drum: 440
Bass: 40
Kits
Preset: 100
User: 100
Patterns
Preset: 500
User: 500
Songs
User: 100
Power Supply
AC Adaptor (BRC series)
Power Consumption
600 mA (Max.)
Dimensions
273 (W) x 242 (D) x 72 (H) mm
10-3/4 (W) x 9-9/16 (D) x 2-7/8 (H) inches
Weight
1.4 kg / 3 lbs 2 oz (excluding AC adaptor)
Accessories
AC Adaptor 100V (#G2457143)
120V (#G2457144)
230V (#G245714101)
240V (#G2457142)
Owner’s Manual English (#G6017380)
Japanese (#G6017379)
DR-880 Driver CD-ROM (#G2567133)
Roland Service (Information sheet) (#********)
Options
Foot Switch (FS-5U)
Dual Foot Switch (FS-6)
Expression Pedal (Roland EV-5)
Foot Switch Cable (Roland PCS-31)
(stereo 1/4” phone plug-1/4” phone plug x 2)
* In the interest of product improvement, the specifications and/or appearance of
this unit are subject to change without prior notice.
Maximum Note Storage
Approx. 30,000 notes
* This may be smaller than this depending on the contents of created pattern and
song.
2
LOCATION OF CONTROLS
fig.DR-880-Panel.eps
5
28
29
DR-880
30
33
11
27
6
31
32
13
4
38
3
36
2
37
1
10
34
34
35
31
34
LOCATION OF CONTROLS PARTS LIST
No. PART CODE CATEGORY PART NAME DESCRIPTION Q'TY
1 F2477101 KNOB,BUTTON DR-KNOB 1
2 22480260 KNOB,BUTTON P R-KNOB MF BLK/LCG 1
3 01340412 KNOB,BUTTON P R-KNOB SF-A BLK/LCG 3
4 G2567158 CASING DISPLAY COVER 1
5 F2367103 MISCELLANEOUS CORD HOOK 1
6 12499175 KNOB,BUTTON BUTTON JSPUE001A 1
10 G2497004 KNOB,BUTTON SW SHEET ASSY 1
11 78E173C000 CASING TOP CASE 1
13 F5029416 DISPLAY UNIT LCD HG1306C-SYL-2 1
27 13449728 JACK,EXT TERMINAL ADAPTOR JACK HEC0740-010010 1
28 F3439216 JACK,EXT TERMINAL USB JACK YKF45-0021 1
29 13429825 JACK,EXT TERMINAL MIDI CONNECTOR YKF51-5054 2PZ 1
30 F3439217 JACK,EXT TERMINAL PIN JACK YKC21-3486 1
31 F3449120 JACK,EXT TERMINAL 6.5MM JACK HTJ-064-10D 3
32 F3449106 JACK,EXT TERMINAL JACK HTJ064-10I 5
33 13449650 JACK,EXT TERMINAL PIN JACK YKC21-3045 (DUAL) 1
34 F5339405 DIODE LED KP-1608SRC-PRV 8
35 F5339406 DIODE LED KP-1608MGC 2
36 F3229155 POTENTIOMETER VOLUME RV110-40E1-15A-B50K 3
37 F3229156 POTENTIOMETER VOLUME RV142A-40E1-15A-A50K 1
38 01905467 ENCODER ROTARY ENCODER EVE GC1 F20 24B 1
32
3
Dec.2004
EXPLODED VIEW 1
fig.explo1.eps
EXPLODED VIEW 1 PARTS LIST
[PARTS]
No. PART CODE PART NAME DESCRIPTION Q'TY
1 F2477101 DR-KNOB 1
2 22480260 P R-KNOB MF BLK/LCG 1
3 01340412 P R-KNOB SF-A BLK/LCG 3
4 G2567158 DISPLAY COVER 1
5 F2367103 CORD HOOK 1
6 12499175 BUTTON JSPUE001A 1
[SCREWS]
No. PART CODE PART NAME DESCRIPTION Q'TY
a ********** M9 NUT 1
b ********** M9 WASHER 1
c H5029343 SCREW S-TITE 3X12 BZC 1
d H5029331 SCREW 3X8 BINDING S-TIGHT FEBZC 4
e H5029330 SCREW M3X8 BINDING P-TIGHT BZC 19
4
EXPLODED VIEW 2
fig.explo2.eps
DR-880
EXPLODED VIEW 2 PARTS LIST
[PARTS]
No. PART CODE PART NAME DESCRIPTION Q'TY
16 G2357132 FOOT S20 T4 4
17 G2017197 BOTTOM CASE 1
18 G2177303 LEAF M 2
19 ********** INPUT BOARD (included with SW SHEET ASSY) 1
20 ********** HEADPHONES BOARD (included with SW SHEET ASSY) 1
21 78E173M000 MAIN SHEET ASSY 1
24 F3477006 WIRING BNCD-P=1.25-K-22-130 1
25 F3477008 WIRING WIRING INPUT BOARD 1
26 F3477010 WIRING WIRING PHONES BOARD 1
40 F3477007 WIRING BNCD-P=1.00-K-20-140 1
41 G2357117 FOOT T=4MM 15MMX30MM 1
[SCREWS]
No. PART CODE PART NAME DESCRIPTION Q'TY
e H5029330 SCREW M3X8 BINDING P-TIGHT BZC 19
g H5029332 SCREW 3X6 BINDING S-TIGHT FEBZC 3
5
Dec.2004
EXPLODED VIEW 3
fig.explo3.eps
EXPLODED VIEW 3 PARTS LIST
[PARTS]
No. PART CODE PART NAME DESCRIPTION Q'TY
11 78E173C000 TOP CASE 1
12 ********** ENCODER BOARD (included with SW SHEET ASSY) 1
13 F5029416 LCD HG1306C-SYL-2 1
14 ********** VR BOARD ASSY (included with MAIN SHEET ASSY) 1
15 G1147703 REAR PLATE 1
22 F3477009 WIRING WIRING PIN JACK BOARD 1
23 F3477011 WIRING WIRING VR BOARD 1
41 F3477012 WIRING WIRING LCD BACK LIGHT 1
42 ******** PIN JACK BOARD (included with SW SHEET ASSY) 1
[SCREWS]
No. PART CODE PART NAME DESCRIPTION Q'TY
e H5029330 SCREW M3X8 BINDING P-TIGHT BZC 11
f H5019431 SCREW P-TITE 3X6 ZC 18
6
EXPLODED VIEW 4
fig.explo4.eps
DR-880
EXPLODED VIEW 4 PARTS LIST
[PARTS]
No. PART CODE PART NAME DESCRIPTION Q'TY
7 G2177302 LEAF L 1
8 G2257317 INSULATING SHEET 1
9 78E173S000 SW SHEET ASSY 1
10 G2497004 RUBBER SW 1
11 78E173C000 TOP CASE 1
39 F2449236 FERRITE CORE FS0C320RT01 1
[SCREWS]
No. PART CODE PART NAME DESCRIPTION Q'TY
f H5019431 SCREW P-TITE 3X6 ZC 18
7
Dec.2004
TAPE for fixed wring
fig.tape-e.eps
TAPE SIZE
2.0cm
Fixed by Tape
3.5cm
TAPE: 40122645 NITTO FILAMENT TAPE #3883 W19MM 50M 60P (CM)
8
LOCATION TO PASTE of FOOT (Inside of Bottom)
fig.bottom-e.eps
Figure for Location to paste.
G2357117
FOOT T=4MM 15X30MM
113mm
DR-880
81mm
0
0
Completion drawing.
139mm
123mm
9
Dec.2004
WIRING DIAGRAM
fig.wiring.eps
PIN JACK BOARD
ENCODER
BOARD
WIRING
ENCODER
BOARD
CN2
INPUT BOARD
1
CN5
CN11
CN8
WIRING
INPUT
BOARD
CN11
WIRING
PIN JACK BOARD
CN7
7
CN3
MAIN SHEET ASSY
8
2
BNCD-P=
1.00-K-20-140
3
CN1
CN2
4 5 6
BNCD-P=
1.25-K-22-130
CN1
CN4
WIRING
VOLUME BOARD
CN12
CN6
WIRING
PHONES
BOARD
CN10
HEADPHONES
LCD UNIT
SW SHEET ASSY
VOLUME BOARD
BOARD
WIRING DIAGRAM PARTS LIST
NO PART CODE PART NAME DESCRIPTION Q'TY
1 F3477013 WIRING WIRING ENCODER BOARD 1
2 F3477008 WIRING WIRING INPUT BOARD 1
3 F3477007 WIRING BNCD-P=1.00-K-20-140 1
4 F3477006 WIRING BNCD-P=1.25-K-22-130 1
5 F3477011 WIRING WIRING VR BOARD 1
6 F3477010 WIRING WIRING PHONES BOARD 1
7 F3477009 WIRING WIRING PIN JACK BOARD 1
8 F3477012 WIRING WIRING LCD BACK LIGHT 1
10
DR-880
11
Dec.2004
PARTS LIST
fig.part1e
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics. Use
only listed parts for replacement.
NOTE: The parts marked # are new. (initial parts)
CASING
# G2017197 BOTTOM CASE 1
# G2567158 DISPLAY COVER 1
# G1147703 REAR PLATE 1
# 78E173C000 TOP CASE 1
KNOB,BUTTON
01340412 P R-KNOB SF-A BLK/LCG 3
22480260 P R-KNOB MF BLK/LCG 1
12499175 BUTTON JSPUE001A POWER SW KNOB 1
F2477101 DR-KNOB 1
# G2497004 RUBBER SW SW BOARD 1
SWITCH
# F3129307 PUSH SWITCH SDKLA1-B SW1 1
JACK,EXT TERMINAL
13429825 MIDI CONNECTOR YKF51-5054 2PZ JK2 1
# F3439216 USB JACK YKF45-0021 JK1 1
# F3439217 PIN JACK YKC21-3486 JK3, JK11 1
13449650 PIN JACK YKC21-3045 (DUAL) JK1 1
F3449106 JACK HTJ064-10I JK6,JK7,JK8,JK9, JK10 5
F3449120 6.5MM JACK HTJ-064-10D JK4,JK5 3
13449728 ADAPTOR JACK HEC0740-010010 JK12 1
G2147118 AC JACK HOLDER JK12 1
# G2147820 JACK HOLDER JK4-9 1
Due to one or more of the following reasons,
parts with parts code ******** cannot be supplied as service parts.
• Part supplied only as a component in a complete assembly
• Copyright does not permit the part to be supplied
• Part is sold commercially
The description "Q'TY" means a necessary number of the parts per one product.
DISPLAY UNIT
# F5029416 HG1306C-SYL-2 LCD 1
PWB ASSY
# F2927025 MAIN SHEET ASSY 1
# F2927026 SW SHEET ASSY 1
IC
F5199108 NJM2374AM-TE1 IC(SWITING REGULATOR) IC26 1
# F5179609 MR27V12800J IC P2ROM(WAVE) IC9 1
02900978 M66291GP IC (USB CONTROLLER) IC4 1
F5279861 M12L16161A-7T IC (SDRAM) IC6 1
# F5209173 S-80930CNMC-G80 IC (RESET) IC16 1
# F5199524 UPC29M33AT IC (REGULATOR) IC27 1
# F5229704 PC400T IC (PHOTO COUPLER) IC5 1
F5289102 NJM2100M 8P SOP IC (OP.AMP) IC21 1
# F5289140 M5238AFP-600C IC (OP AMP) IC25 1
F5289139 NJM45564M-TE1 IC (OP AMP) IC19 1
F5279309 BU2090F-E2 IC (LED DRIVER) IC1 1
# ******** MBM29DL164BE-70 IC (FLASH MEMORY) IC13 1
02231767 RA0A-101 (TC223C080AF-101) IC (DSP) IC10 1
03347056 LC32V4265CT-25-TLM-E IC (DRAM) IC12 1
03676990 AK4386VTP-E2 IC (DA) IC23 1
NOTE:MAIN SHEET ASSY includes the follwing parts.
******** VR BOARD ASSY 1
NOTE:SW SHEET ASSY includes the following parts.
******** ENCORDER BOARD ASSY 1
******** INPUT BOARD ASSY 1
******** HEADPHONES BOARD ASSY 1
******** PIN JACK BOARD ASSY 1
12
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