Boss DR 880 SERVICE NOTES

Transcription

Boss DR 880 SERVICE NOTES
DR-880
Dec.2004
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.
17058298E0
Printed in Japan (0500) (AS)
Dec.2004
CAUTIONARY NOTES
Resolution
Per quarter note: 96
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).
Tempo
Quarter note: 20-260 bpm
Pads
20 with velocity sensitive
Display
Process
Checking Version number
Factory Reset
System Update
Test Mode
User Data
Preserved
Deleted
Preserved
Preserved
Custom LCD with backlight
Connectors
(Rear)
Master Out L (MONO), R (1/4” Phone Type)
*
Executing Test Mode during Factory Reset deletes the user data.
Master Out L, R (Phono Type)
Individual A, B (1/4” Phone Type)
Digital Out (coaxial)
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
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)
Power Supply
CIRCUIT BOARD
AC Adaptor (BRC series)
NIU meant that "NOT IN USE " there don't set any contents in the Circuit
Power Consumption
Diagram.
There has silk-screen only in the Circuit Board.
600 mA (Max.)
Dimensions
SPECIFICATIONS
273 (W) x 242 (D) x 72 (H) mm
10-3/4 (W) x 9-9/16 (D) x 2-7/8 (H) inches
Specifications
Weight
DR-880: Dr.Rhythm
1.4 kg / 3 lbs 2 oz (excluding AC adaptor)
Maximum Polyphony
Accessories
32 voices
AC Adaptor
*
Depending on the bass tone used, maximum polyphony may be lower.
230V (#G245714101)
Instruments
Drum:
440
Bass:
40
100V (#G2457143)
120V (#G2457144)
240V (#G2457142)
Owner’s Manual English (#G6017380)
Japanese (#G6017379)
DR-880 Driver CD-ROM (#G2567133)
Kits
Roland Service (Information sheet) (#********)
Preset:
100
User:
100
Options
Foot Switch (FS-5U)
Patterns
Dual Foot Switch (FS-6)
Preset:
500
User:
500
Expression Pedal (Roland EV-5)
Foot Switch Cable (Roland PCS-31)
(stereo 1/4” phone plug-1/4” phone plug x 2)
Songs
User:
*
100
Maximum Note Storage
Approx. 30,000 notes
*
2
This may be smaller than this depending on the contents of created pattern and
song.
In the interest of product improvement, the specifications and/or appearance of
this unit are subject to change without prior notice.
DR-880
LOCATION OF CONTROLS
fig.DR-880-Panel.eps
28
5
29
30
33
11
27
32
31
6
13
4
1 38
3 36
2 37
10
34
34
35
34
31
32
LOCATION OF CONTROLS PARTS LIST
No.
1
2
3
4
5
6
10
11
13
27
28
29
30
31
32
33
34
35
36
37
38
PART CODE
F2477101
22480260
01340412
G2567158
F2367103
12499175
G2497004
78E173C000
F5029416
13449728
F3439216
13429825
F3439217
F3449120
F3449106
13449650
F5339405
F5339406
F3229155
F3229156
01905467
CATEGORY
KNOB,BUTTON
KNOB,BUTTON
KNOB,BUTTON
CASING
MISCELLANEOUS
KNOB,BUTTON
KNOB,BUTTON
CASING
DISPLAY UNIT
JACK,EXT TERMINAL
JACK,EXT TERMINAL
JACK,EXT TERMINAL
JACK,EXT TERMINAL
JACK,EXT TERMINAL
JACK,EXT TERMINAL
JACK,EXT TERMINAL
DIODE
DIODE
POTENTIOMETER
POTENTIOMETER
ENCODER
PART NAME
DR-KNOB
P R-KNOB
P R-KNOB
DISPLAY COVER
CORD HOOK
BUTTON
SW SHEET ASSY
TOP CASE
LCD
ADAPTOR JACK
USB JACK
MIDI CONNECTOR
PIN JACK
6.5MM JACK
JACK
PIN JACK
LED
LED
VOLUME
VOLUME
ROTARY ENCODER
DESCRIPTION
MF BLK/LCG
SF-A BLK/LCG
JSPUE001A
HG1306C-SYL-2
HEC0740-010010
YKF45-0021
YKF51-5054 2PZ
YKC21-3486
HTJ-064-10D
HTJ064-10I
YKC21-3045 (DUAL)
KP-1608SRC-PRV
KP-1608MGC
RV110-40E1-15A-B50K
RV142A-40E1-15A-A50K
EVE GC1 F20 24B
Q'TY
1
1
3
1
1
1
1
1
1
1
1
1
1
3
5
1
8
2
3
1
1
3
Dec.2004
EXPLODED VIEW 1
fig.explo1.eps
EXPLODED VIEW 1 PARTS LIST
[PARTS]
No.
1
2
3
4
5
6
PART CODE
F2477101
22480260
01340412
G2567158
F2367103
12499175
PART NAME
DR-KNOB
P R-KNOB
P R-KNOB
DISPLAY COVER
CORD HOOK
BUTTON
DESCRIPTION
MF BLK/LCG
SF-A BLK/LCG
JSPUE001A
Q'TY
1
1
3
1
1
1
[SCREWS]
No.
a
b
c
d
e
4
PART CODE
**********
**********
H5029343
H5029331
H5029330
PART NAME
M9 NUT
M9 WASHER
SCREW
SCREW 3X8
SCREW M3X8
DESCRIPTION
S-TITE 3X12 BZC
BINDING S-TIGHT FEBZC
BINDING P-TIGHT BZC
Q'TY
1
1
1
4
19
DR-880
EXPLODED VIEW 2
fig.explo2.eps
EXPLODED VIEW 2 PARTS LIST
[PARTS]
No.
16
17
18
19
20
21
24
25
26
40
41
PART CODE
G2357132
G2017197
G2177303
**********
**********
78E173M000
F3477006
F3477008
F3477010
F3477007
G2357117
PART NAME
FOOT
BOTTOM CASE
LEAF M
INPUT BOARD
HEADPHONES BOARD
MAIN SHEET ASSY
WIRING
WIRING
WIRING
WIRING
FOOT
DESCRIPTION
S20 T4
(included with SW SHEET ASSY)
(included with SW SHEET ASSY)
BNCD-P=1.25-K-22-130
WIRING INPUT BOARD
WIRING PHONES BOARD
BNCD-P=1.00-K-20-140
T=4MM 15MMX30MM
Q'TY
4
1
2
1
1
1
1
1
1
1
1
[SCREWS]
No.
e
g
PART CODE
H5029330
H5029332
PART NAME
SCREW M3X8
SCREW 3X6
DESCRIPTION
BINDING P-TIGHT BZC
BINDING S-TIGHT FEBZC
Q'TY
19
3
5
Dec.2004
EXPLODED VIEW 3
fig.explo3.eps
EXPLODED VIEW 3 PARTS LIST
[PARTS]
No.
11
12
13
14
15
22
23
41
42
PART CODE
78E173C000
**********
F5029416
**********
G1147703
F3477009
F3477011
F3477012
********
PART NAME
TOP CASE
ENCODER BOARD
LCD
VR BOARD ASSY
REAR PLATE
WIRING
WIRING
WIRING
PIN JACK BOARD
DESCRIPTION
(included with SW SHEET ASSY)
HG1306C-SYL-2
(included with MAIN SHEET ASSY)
WIRING PIN JACK BOARD
WIRING VR BOARD
WIRING LCD BACK LIGHT
(included with SW SHEET ASSY)
[SCREWS]
No.
e
f
6
PART CODE
H5029330
H5019431
PART NAME
SCREW M3X8
SCREW
DESCRIPTION
BINDING P-TIGHT BZC
P-TITE 3X6 ZC
Q'TY
11
18
Q'TY
1
1
1
1
1
1
1
1
1
DR-880
EXPLODED VIEW 4
fig.explo4.eps
EXPLODED VIEW 4 PARTS LIST
[PARTS]
No.
7
8
9
10
11
39
PART CODE
G2177302
G2257317
78E173S000
G2497004
78E173C000
F2449236
PART NAME
LEAF L
INSULATING SHEET
SW SHEET ASSY
RUBBER SW
TOP CASE
FERRITE CORE
DESCRIPTION
FS0C320RT01
Q'TY
1
1
1
1
1
1
[SCREWS]
No.
f
PART CODE
H5019431
PART NAME
SCREW
DESCRIPTION
P-TITE 3X6 ZC
Q'TY
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
DR-880
LOCATION TO PASTE of FOOT (Inside of Bottom)
fig.bottom-e.eps
Figure for Location to paste.
G2357117
FOOT T=4MM 15X30MM
113mm
81mm
139mm
123mm
0
0
Completion drawing.
9
Dec.2004
WIRING DIAGRAM
fig.wiring.eps
WIRING
7
PIN JACK BOARD
1
CN11
MAIN SHEET ASSY
8
CN8
WIRING
INPUT
BOARD
CN2
CN1
2
CN11
INPUT BOARD
4
3
BNCD-P=
1.00-K-20-140
BNCD-P=
1.25-K-22-130
CN1
LCD UNIT
SW SHEET ASSY
WIRING DIAGRAM PARTS
LIST
NO
1
2
3
4
5
6
7
8
10
PART CODE
F3477013
F3477008
F3477007
F3477006
F3477011
F3477010
F3477009
F3477012
PART NAME
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
DESCRIPTION
WIRING ENCODER BOARD
WIRING INPUT BOARD
BNCD-P=1.00-K-20-140
BNCD-P=1.25-K-22-130
WIRING VR BOARD
WIRING PHONES BOARD
WIRING PIN JACK BOARD
WIRING LCD BACK LIGHT
Q'TY
1
1
1
1
1
1
1
1
CN6
CN4
5
WIRING
VOLUME BOARD
CN12
6
WIRING
PHONES
BOARD
CN10
HEADPHONES
VOLUME BOARD BOARD
CN3
CN7
WIRING
ENCODER
BOARD
CN5
ENCODER
BOARD
CN2
PIN JACK BOARD
DR-880
11
Dec.2004
PARTS LIST
fig.part1e
SAFETY PRECAUTIONS:
The parts marked
have
safety-related characteristics. Use
only listed parts for replacement.
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
NOTE: The parts marked # are new. (initial parts)
CASING
#
#
#
#
The description "Q'TY" means a necessary number of the parts per one product.
G2017197
G2567158
G1147703
78E173C000
BOTTOM CASE
DISPLAY COVER
REAR PLATE
TOP CASE
1
1
1
1
P R-KNOB
P R-KNOB
BUTTON
DR-KNOB
RUBBER SW
SF-A BLK/LCG
MF BLK/LCG
JSPUE001A
#
01340412
22480260
12499175
F2477101
G2497004
SWITCH
#
F3129307
PUSH SWITCH
JACK,EXT TERMINAL
13429825
#
F3439216
#
F3439217
13449650
F3449106
F3449120
13449728
G2147118
#
G2147820
DISPLAY UNIT
#
KNOB,BUTTON
PWB ASSY
#
#
F5029416
SW BOARD
3
1
1
1
1
SDKLA1-B
SW1
1
MIDI CONNECTOR
USB JACK
PIN JACK
PIN JACK
JACK
6.5MM JACK
ADAPTOR JACK
AC JACK HOLDER
JACK HOLDER
YKF51-5054 2PZ
YKF45-0021
YKC21-3486
YKC21-3045 (DUAL)
HTJ064-10I
HTJ-064-10D
HEC0740-010010
JK2
JK1
JK3, JK11
JK1
JK6,JK7,JK8,JK9, JK10
JK4,JK5
JK12
JK12
JK4-9
1
1
1
1
5
3
1
1
1
HG1306C-SYL-2
LCD
POWER SW KNOB
1
F2927025
MAIN SHEET ASSY
NOTE:MAIN SHEET ASSY includes the follwing parts.
********
VR BOARD ASSY
1
F2927026
SW SHEET ASSY
NOTE:SW SHEET ASSY includes the following parts.
********
ENCORDER BOARD ASSY
********
INPUT BOARD ASSY
********
HEADPHONES BOARD ASSY
********
PIN JACK BOARD ASSY
1
1
1
1
1
1
IC
#
#
#
#
#
#
12
F5199108
F5179609
02900978
F5279861
F5209173
F5199524
F5229704
F5289102
F5289140
F5289139
F5279309
********
02231767
03347056
03676990
NJM2374AM-TE1
MR27V12800J
M66291GP
M12L16161A-7T
S-80930CNMC-G80
UPC29M33AT
PC400T
NJM2100M 8P SOP
M5238AFP-600C
NJM45564M-TE1
BU2090F-E2
MBM29DL164BE-70
RA0A-101 (TC223C080AF-101)
LC32V4265CT-25-TLM-E
AK4386VTP-E2
IC(SWITING REGULATOR)
IC P2ROM(WAVE)
IC (USB CONTROLLER)
IC (SDRAM)
IC (RESET)
IC (REGULATOR)
IC (PHOTO COUPLER)
IC (OP.AMP)
IC (OP AMP)
IC (OP AMP)
IC (LED DRIVER)
IC (FLASH MEMORY)
IC (DSP)
IC (DRAM)
IC (DA)
IC26
IC9
IC4
IC6
IC16
IC27
IC5
IC21
IC25
IC19
IC1
IC13
IC10
IC12
IC23
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DR-880
IC
02677490
03676856
F5249108
F5279314
F5279315
F5279316
15189261
02900812
02451434
RA0C-003XP7TC203C180AF003
UPD703106AGJ-086-UEN (BG324 M)
TC74VHC245FT
TC7S04FU
TC7SH32FU
TC7W04FU
M5218AFP-600E
AK4353VFP-E2
AK4552VT
IC (CUSTOM)
IC (CPU)
IC (CMOS)
IC (CMOS)
IC (CMOS)
IC (CMOS)
IC (BIPOLAR OP AMP)
IC (AD/DA)
IC (AD/DA)
IC8
IC11
IC2,IC25
IC17
IC15,IC28
IC7
IC14,IC20,IC24
IC18
IC22
1
1
2
1
2
1
3
1
1
F5309115
15319104
F5309602
15319101
F5319602
F5329529
15329103
2SA1241-Y
2SA1586-GR(TE85R)
2SB1182
2SC2412KR T146
2SD1758
RN1441
2SK880GR-TE85R
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
FET
Q11
Q9
Q13
Q10
Q12
Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8,Q14,Q15
Q1
1
1
1
1
1
10
1
#
#
#
15019525
F5339318
F5339406
F5339405
RD-5.6EB-2
RD13ESAB2
KP-1608MGC
KP-1608SRC-PRV
ZENER DIODE
ZENER DIODE
LED
LED
1
2
2
8
#
#
F5339165
F5339163
DA204U
DAP202U
DIODE ARRAY
DIODE ARRAY
F5019203
15339119
F5339137
1N4004
1SS-352
SS14 VF=0.45V
DIODE
DIODE
DIODE
D12
D9,D10
LED1,LED2
LED4,LED5,LED7,LED9,LED11,LED15,LE
D16,LED17
DA1,DA2,DA3,DA4,DA5,DA6,DA7,DA28
DA1,DA2,DA3,DA4,DA5,DA6,DA7,DA8,D
A9,DA10,DA11,DA12,DA13,DA14,DA15,D
A16,DA17,DA18,DA19,DA20,DA21,DA22,
DA23,DA24,DA25,DA26,DA27
D6,D8,D11
D1,D2,D3,D4,D5
D7
F5399115
F5399145
F5399917
F5399111
F5429346
F5399157
F5399133
F5399195
F5399158
F5399914
F5399116
F5429386
F5399713
F5399129
F5399104
F5399170
100 J
12K J
22 (1/2W)
22 J
3.3KF 1%
39K J
4.7K J
470K J
47K J
6.8KF
82K J
150K F (1608TYPE)
0.56(1/2W)
1.5K J
10 J
100K J
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
MTL.FILM.RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
4
2
3
1
1
2
10
4
1
1
1
1
1
4
5
27
F5419770
F5419758
F5399140
100KX4
100X4
10K J
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
F5429365
F5419759
F5399121
F5399128
10K OHM F RANK (1%)
10KX4
180
1K J
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
F5399200
F5399130
F5399190
F5399152
F5399295
F5399132
F5419768
F5399962
F5399106
1M J
2.2K J
220K J
22K J
27
3.3K
4.7KX4
43(1/2W)
47 J
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
F5399961
F5419763
F5399134
F5399109
470K(1/2W)
47X4
6.8K J
68
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL.FILM RESISTOR
R27,R28,R16,R60
R164,R165
R20,R93,R109
R22
R152
R124,131
R63,R64,R66,R67,R68,R74,R75,R80,R81,R82
R36,R59,R72,R140
R138
R96
R15
R107
R147
R5,R14,R153,R154
R31,R65,R92,R5,R6
R13,R37,R52,R53,R55,R56,R70,R73,R79,R89,
R90,R95,R101,R108,R117,R119,R123,R127,R
128,R130,R134,R135,R136,R162,R163,R167,
R168
RA18,RA19
RA3,RA6,RA7
R1,R4,R7,R8,R10,R17,R21,R23,R24,R25,R29,
R30,R43,R51,R54,R57,R58,R100,R102,R120,
R121,R137,R139,R300
R110
RA22,RA23,RA25,RA26,RA28
R8,R9,R11,R13
R76,R78,R84,R86,R91,R99,R112,R116,R125,
R126,R132,R133,R141,R148
R26,R32,R145
R150
R1,R3
R97,R114
R9,R6
R35
RA30
R69,R71,R155
R41,R42,R44,R45,R46,R47,R48,R49,R50,R15
9,R160
R161
RA12,RA13,RA15,RA17,RA36
R33,R38,R40
R15,R19,R20,R21
#
#
#
#
#
TRANSISTOR
#
DIODE
8
27
3
5
1
RESISTOR
#
#
#
#
#
#
#
#
#
#
#
2
3
28
1
5
4
15
3
1
2
2
2
1
1
3
11
1
5
3
4
13
Dec.2004
RESISTOR
#
10
MTL.FILM RESISTOR
MTL.FILM RESISTOR
MTL. FILM RESISTOR
CHIP RESISTOR
CARBON RESISTOR
RA20,RA21,RA24,RA27,RA29,RA31,RA32,
RA33,RA34,RA35
R62
R118
R151
R103
C64
RV110-40E1-15A-B50K
RV142A-40E1-15A-A50K
VOLUME
VOLUME
VR1,VR2,VR3
VR4
3
1
F3587451
02341489
F3629696
F5359732
F5359780
F5359803
F5359800
ERZVA7V330
ECPU1C474MA5
2.2/50
GRM39B102J50PT
GRM39B103K50PT
GRM39CH151J50PT
GRM39F104Z25PT
VARISTOR CAPACITOR
MYLAR CAPACITOR(SUBMICRON)
CHEMICAL CAPACITOR
CHIP CAPACITOR (1608 TYPE)
CHIP CAPACITOR (1608 TYPE)
CHIP CAPACITOR (1608 TYPE)
CHIP CAPACITOR (1608 TYPE)
1
1
1
6
6
6
114
#
F5359804
F3639181
13639550KM
GRM39CH221J50PT220P J
1000/35
100UF/16V
CHIP CAPACITOR (1608 TYPE)
CHEMICAL CAPACITOR
CHEMICAL CAPACITOR
#
#
#
#
F3629698
F3639554
13639139
F5359827
4.7/50
470/16
470/35
68P
CHEMICAL CAPACITOR
CHEMICAL CAPACITOR
CHEMICAL CAPACITOR
CHEMICAL CAPACITOR
13639549
13639602
F5359809
F535970601
ECA1CM470B
ECEA1HM010B 1UF/50V
0.0047
10P
CHEMICAL CAPACITOR
CHEMICAL CAPACITOR
CERAMIC CAPACITOR
CERAMIC CAPACITOR
F5359707
F3629692
F3629678TS
15P
0.22/50V
10/16V
CERAMIC CAPACITOR
CAPACITOR
CAPACITOR
13639944TS
ECEA1HN100S
CAPACITOR
C184
C180
C234
C75,C76,C77,C78,C101,C130
C4,C5,C7,C8,C13,C224
C70,C81,C82,C83,C186,C2
C11,C15,C16,C17,C18,C19,C20,C22,C23,C24
,C25,C26,C28,C29,C30,C31,C32,C33,C34,C3
5,C36,C37,C38,C39,C40,C41,C42,C43,C44,C
45,C46,C47,C48,C49,C50,C53,C54,C55,C56,
C57,C58,C60,C61,C65,C66,C67,C72,C74,C79
,C80,C88,C89,C90,C91,C92,C93,C94,C95,C9
6,C97,C98,C100,C102,C104,C107,C108,C111
,C123,C125,C147,C149,C150,C152,C154,C15
6,C159,C165,C175,C177,C188,C190,C191,C1
96,C198,C200,C202,C203,C204,C205,C206,C
215,C216,C217,C218,C219,C220,C221,C222,
C223,C228,C230,C231,C232,C233,C249,C25
0,C251,C252,C3,C181,C182,C183,C5,C6
C105
C187,C195
C124,C127,C138,C189,C192,C193,C194,C19
7
C167
C120,C141,C174,C183
C185
C235,C236,C237,C238,C239,C240,C241,C24
2,C243,C244,C245,C246,C247
C63,C129,C144,C153,C176,C199,C201
C71,C146
C86,C87,C1
C84,C85,C115,C131,C133,C134,C157,C168,
C207,C208,C211,C212,C213,C214
C51,C52
C69
C2,C3,C12,C14,C27,C59,C62,C68,C73,C99,C
103,C106,C109,C112,C113,C117,C119,C121,
C122,C126,C135,C137,C139,C140,C142,C14
3,C151,C155,C158,C161,C162,C163,C166,C1
70,C171,C172,C248,C254,C255
C253
PT-10 (2280-T008)
MINISMDC075
N1608Z601T02
PULSE TRANS
POLY SWITCH
FERRITE-BEAD
1
1
21
DSS310-91D223S-50ATL12-134
SBT-0180W
TSL1112-471KR72
ZCYS51R5-M3PAT
EMI FILTER
EMI FILTER
CHOKE COIL
CHOKE COIL
FL1
R149
L6,L7,L8,L9,L10,19,L20,L21,L22,L23,L29,L3
0,L31,L32,L33,L34,L23,L24,L25,L26,L27
FL4,FL2
L13
L28
L3
HC-49SM 5MHZ
HC-49SM(6MHZ)
SG-8002JC 67.7376MHZ PC
CRYSTAL
CRYSTAL
CRYSTAL
X3
X1
X2
1
1
1
01905467
EVE GC1 F20 24B
ROTARY ENCODER
EN1
1
F3439220
F3439224
F3439223
20FMN-BTK-A
22FE-BT-VK-N
22FE-ST-VK-N
CONNECTOR
CONNECTOR
CONNECTOR
CN1
CN2
CN1
1
1
1
#
#
#
F5419769
68X4
MTL.FILM RESISTOR
F5399107
F5399138
F5429350
F5429375
F3749774
75
8.2K
562 F 1608 1/10W 5.6K OHM
47K OHM F RANK (1%)
0
POTENTIOMETER
#
F3229155
#
F3229156
CAPACITOR
#
#
#
#
INDUCTOR, COIL, FILTER
02563501
F2569127
F5409102
#
#
13529246
12449386
F2449234
F2449233
CRYSTAL, RESONATOR
F5299114
#
F5299315
02672401
1
1
1
1
1
1
2
8
1
4
1
13
7
2
3
14
2
1
39
1
2
1
1
1
ENCODER
CONNECTOR
#
#
#
14
DR-880
CONNECTOR
#
#
F3439158
F3439222
F3439221
A2001WV2-10P P=2MM
A2001WV2-3P
A2001WV2-4P
CONNECTOR
CONNECTOR
CONNECTOR
CN4
CN6,CN7,CN11
CN5,CN8
1
3
2
WIRING, CABLE
#
#
#
#
#
#
#
#
F3477011
F3477009
F3477010
F3477012
F3477008
F3477013
F3477006
F3477007
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING
WIRING VR BOARD
WIRING PIN JACK BOARD
WIRING PHONES BOARD
WIRING LCD BACK LIGHT
WIRING INPUT BOARD
WIRING ENCODER BOARD
BNCD-P=1.25-K-22-130
BNCD-P=1.00-K-20-140
CN12
CN3
CN10
CN11
CN11
CN2
MAIN - SW
MAIN - LCD
1
1
1
1
1
1
1
1
PIEZO PICKUP
DB-E648
PIEZO1
1
H5029343
H5019431
H5029330
H5029332
H5029331
H5019803
SCREW
SCREW
SCREW M3X8
SCREW 3X6
SCREW 3X8
SCREW 3X8
S-TITE 3X12 BZC
P-TITE 3X6 ZC
BINDING P-TIGHT BZC
BINDING S-TIGHT FEBZC
BINDING S-TIGHT FEBZC
BINDING P-TIGHT FECM
1
18
11
3
4
11
G2267505
G2267504
G2267515
G2267514
G2267403
G2617301
G2267405
G2607114
PAD
PAD
PAD
PAD
PAD
OUTER PACKING CASE
OUTER SHEET
PACKING CASE
SIDE PAD R
SIDE PAD L
PAD2
PAD1
CD PAD
1
1
1
1
1
1
1
1
MISCELLANEOUS
#
F2449236
F2367103
#
G2257317
G2257203
#
G2177303
G2177302
#
G2357132
G2357117
40122645
FERRITE CORE
CORD HOOK
INSULATING SHEET
JACK COVER
LEAF M
LEAF L
FOOT
FOOT
NITTO FILAMENT TAPE
FS0C320RT01
1
1
1
1
2
1
4
1
1
ACCESSORIES (Standard)
#
G6017379
G6017380
40232389
00905234
#
G2457142
G245714101
G2457144
#
G2457143
********
#
G2567133
OWNER’S MANUAL
OWNER’S MANUAL
WARRANTY CARD
EURO CONVERTER PLUG
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
RESISTRATION CARD
SOFTWARE CD-ROM
JAPANESE
ENGLISH
FOR BOSS JAPAN ONLY
ECP01-5A
BRC-240T
BRC-230T
BRC-120T
BRC-100T
(117V ONLY)
PICK UP SENSOR
#
F2959115
SCREWS
#
#
PACKING
#
#
#
#
#
#
#
#
INPUT BOARD JK10
S20 T4
T=4MM 15MMX30MM
#3883 W19MM 50MM 60P(CM)
1
1
1
1
1
1
1
1
1
1
15
Dec.2004
CHECKING THE VERSION
NUMBER
fig.09-030
(Ex.)
BOSS_DR-880
While holding down the [RESET][RWD] and [FWD] buttons, power-on the
DR-880.
fig.1version.eps
Removable Disk (*:)
5.
Double-click the “BOSS_DR-880” (or “Removable disk (*:)”) icon.
The files from the DR-880 will be displayed on the computer.
File name
SYSTEM.DR8
UGFX.DR8
UKIT.DR8
USEQ.DR8
UTSC.DR8
6.
Contents
System settings
Guitar effects user patches
User kits
User patterns and user songs
TSC user patches
Copy the files to be backed up into a backup folder on your computer.
It is good practice to create a new folder for the storage of backup data.
The version of CPU and FLASH MOMORY will appear .
7.
Close the USB connection.
Windows XP users
Computer to DR-880
connection
In order to allow MIDI communication between the DR-880 and your
computer, you must first install the USB MIDI driver.
*
Right-click the “BOSS_DR-880” icon (or the “Removable disk (*:)” icon) in My
Computer, and execute “Remove.”
If you are unable to execute the “Remove” operation in this way, proceed as
follows.
1) Click theicon in the task tray, and click the message that indicates “Safely
remove drive (*:)”.
fig.09-200
The USB MIDI driver is included on the CD-ROM "DR-880 Driver."
USERS DATA SAVE AND
LOAD
Backing up the DR-880’s data
Task bar
Task tray
2) In the “Safely Remove Hardware” dialog box, click [OK].
Windows 2000/Me users
1) Right-click the “BOSS_DR-880” icon (or the “Removable disk (*:)” icon) in
My Computer, and execute “Remove.”
2) Click theicon in the task tray, and click the message that indicates “Safely
remove drive (*:)”.
fig.09-200
Windows users
1.
Use a USB cable to connect the DR-880 to your computer.
2.
With playback stopped, press [EDIT].
3.
The edit menu screen appears.
Task bar
Task tray
3) In the “Safely Remove Hardware” dialog box, click [OK].
Move the cursor to the “USB” icon and press [ENTER].
8.
The USB menu screen appears.
4.
Move the cursor to the “BACKUP” icon and press [ENTER].
The USB backup screen appears.
If USB Mode is set to “MIDI,” the message “Check USB Mode!” is
displayed, and the SMF Backup screen will not appear. Press [ENTER],
and change the USB Mode to “STORAGE,” and then power it up again
(p. 134).
fig.09-210d
If there is any edited data that has not been saved, the “Cancel edit?” message
will appear.
If you press [ENTER], your edits will be discarded, and the unedited data will
be backed up.
If you press [EXIT], the backup process will be aborted, and you will return to
the USB menu screen.
When connection with the computer has been established, the message will
displayed “Copy data files.”
A “BOSS_DR-880” icon (or a “Removable disk (*:)” icon) will appear on the
computer.
16
Press [EXIT].
At this point, you can safely disconnect the USB cable from the DR-880
and the computer.
If you press [EXIT] without performing step 7, the message “Disconnect,
OK?” is displayed.
In this case, press [EXIT] and then perform step 7.
If you press [ENTER], the connection between the DR-880 and the
computer will be forcibly terminated. In this case, it is possible that the
backup will be incomplete, making successful recovery impossible.
DR-880
Reading backup data back into the
DR-880 from the computer (Recover)
When the backup data have been recovered, the message will disappear.
Windows users
If you press [EXIT] without performing step 8, the message “Disconnect,
OK?” is displayed.In this case, press [EXIT] and then perform step 8.
1.
Use a USB cable to connect the DR-880 to your computer.
2.
With playback stopped, press [EDIT].
If you press [ENTER], the connection between the DR-880 and the
computer will be forcibly terminated. In this case, it is possible that the
recovery will be incomplete, causing the operation of the DR-880 to later
become unstable.
At this point, you can safely disconnect the USB cable from the DR-880
and the computer.
The edit menu screen appears.
3.
Move the cursor to the “USB” icon and press [ENTER].
The USB menu screen appears.
4.
Move the cursor to the “RECOVER” icon and press [ENTER].
The USB recover screen appears.
If USB Mode is set to “MIDI,” the message “Check USB Mode!” is
displayed, and the SMF Recover screen will not appear. Press [ENTER],
and change the USB Mode to “STORAGE,” and then power it up again
(p. 134).
fig.09-220d
FACTORY RESET
INSTRUCTIONS
You can restore the DR-880 to the condition it was in when it left the factory.
This operation is called “Factory Reset.”
When you execute Factory Reset, the user data will return to its factory-set
condition. If the DR-880 contains important data you want to keep, use Bulk
Dump (p. 131) to save the data on an external MIDI device, or use USB backup
(p. 138) to save the data on the computer before you execute Factory Reset.
When connection with the computer has been established, the message will
displayed “Copy data files.”
1.
With playback stopped, press [EDIT].
The edit menu screen appears.
A “BOSS_DR-880” icon (or a “Removable disk (*:)” icon) will appear on the
computer.
2.
fig.09-030
fig.11-010d
Move the cursor to the “FACTORY RESET” icon and press [ENTER].
The display will ask “Factory reset?”
(Ex.)
BOSS_DR-880
Removable Disk (*:)
5.
Open the folder on the computer where you have stored the backup data.
6.
Select all of the files you want to back into the DR-880.
7.
Copy them to the “BOSS_DR-880” icon (or “Removable disk (*:)” icon) on
the computer.
8.
Close the USB connection.
Windows XP users
Right-click the “BOSS_DR-880” icon (or the “Removable disk (*:)” icon) in My
Computer, and execute “Remove.”
3.
If you’re sure you want to execute Factory Reset, press [ENTER]. If you
decide to cancel without executing, press [EXIT].
The message “Now writing...” will appear, and factory reset will be
executed.
When factory reset have been completed, the message will disappear.
*
Do not turn off the power while the message is displayed. Your data may be
damaged if you do so.
If you are unable to execute the “Remove” operation in this way, proceed as
follows.
1) Click theicon in the task tray, and click the message that indicates “Safely
remove drive (*:)”.
fig.09-200
Task bar
Task tray
2) In the “Safely Remove Hardware” dialog box, click [OK].
Windows 2000/Me users
1) Right-click the “BOSS_DR-880” icon (or the “Removable disk (*:)” icon) in
My Computer, and execute “Remove.”
2) Click theicon in the task tray, and click the message that indicates “Safely
remove drive (*:)”.
fig.09-200
Task bar
Task tray
3) In the “Safely Remove Hardware” dialog box, click [OK].
9.
Press [EXIT].
The message “Now writing...” will appear, and the backup data will be
recovered.
17
Dec.2004
SYSTEM SOFTWARE
UPDATING INSTRUCTIONS
fig.system4
Flash-ROM Updater
adrs 0x0044FFF0
sum
0x****
Required items
*
In order to play back the update data, you will need a means to play back SMF
data.
We recommend a computer + UM-2 + UpdSMF.exe (UpdSMFJ.exe).
In the explanation that follows, we assume that you are using a computer +
UM-2 + UpdSMF.exe (UpdSMFJ.exe).
1.
SMF data for the update CD-ROM (#17041565)
Completed.
sum(prg1)0x****
sum(prg2)0x****
7.
Power-off the DR-880.
TEST MODE
_0000001.mid - _0000021.mid
2.
SMF playback system
Required items
•
Computer with USB connector (the UM-2 driver must be installed)
•
UM-2
1.
Oscillator
•
UpdSMF.exe (English version) or UpdSMFJ.exe (Japanese version)
2.
Oscilloscope
3.
Adaptor BRC series
3.
Monitor amp
4.
MIDI cable
4.
Noise meter
5.
Ammeter
6.
FS-5U
As a precaution, please make a backup of the user data before you continue.
7.
EV-5
1.
Connect the MIDI OUT 1 (or 2) of your MIDI playback system (computer
+ UM-2) to the DR-880’s MIDI IN.
8.
D/A converter
2.
9.
Computer
While holding down [SHIFT] + [EDIT], power-on the DR-880.
Update procedure
*
fig.system1
Supported OS: Windows XP/2000/Me or later
10. MIDI cable
Flash-ROM Updater
CPU
1.00 0007 2004/05/13
EXT
1.00 0103 2004/09/27
11. USB cable
Preparations for test mode
•
Oscilloscope settings
TIME/DIV: 1 [msec]
3.
VOLT/DIV: 2 [V]
Start up UpdSMF.exe (UpdSMFJ.exe), and make the following settings.
MIDI Out Device =1: EDIROL UM-2 MIDI 1 (or 2)
SMF Path =
4.
the directory that contains the update SMF data
Click Scan SMF.
Verify that you see the update data (_0000001.mid - _0000021.mid).
5.
Click Send.
The update will begin.
*
Don’t turn off the power during the update. Doing so may destroy the user
memory.
During the update, the following screens will alternate. The FAVORITE [1]-[4]
button LEDs will blink.
fig.system2
Flash-ROM Updater
•
Oscillator
1.
Waveform: square wavefrequency: 200 [Hz], amplitude: 100 [mVp-p]
2.
Waveform: sine wavefrequency: 200 [Hz], amplitude: -10 [dBu]
•
Noise meter
FILTER: JIS-A
•
FS-5U
Set the POLARITY switch toward the jack.
•
EV-5
Set the MIN VR to “0”
•
DR-880
GUITAR/BASS INPUT VR = MAX
DRUM VR = MAX
BASS VR = MAX
adrs 0x00******
Receiving...
fig.system3
Flash-ROM Updater
adrs 0x00******
sum
0x****
Waiting...
6.
When the update is finished, the following display will appear.
Verify the checksum (Prg1, Prg2).
18
MASTER VR = MAX
DR-880
Test items
2. LED check
1.
Device check
fig.ledcheck1.eps
2.
LED check
3.
SW check
4.
LCD and encoder check
5.
Piezo check
6.
Volume check
7.
Foot switch check
8.
Expression check
Verify that all LEDs are lit.
9.
MIDI and USB check
Lit button
LED color
10. Output D/A check
1.
EFFECT
red: 1
11. AF Gain check
2.
LOOP
red: 1
12. Input A/D check
3.
PLAY
green: 2
4.
REC
red: 1
5.
FAVORITE 1
red: 1
6.
FAVORITE 2
red: 1
7.
FAVORITE 3
red: 1
8.
FAVORITE 4
red: 1
9.
TSC
red: 1
Entering test mode
While holding down the [KIT] and [DISPLAY] buttons, power-on the DR-880.
If the unit is operating correctly, the following display will appear.
fig.devicecheck0.eps
fig.ledcheck2.eps
fig.devicecheck1.eps
Press [ENTER] to begin the first test; 1. Device check.
Note any inconsistency in the brightness of the left and right green LEDs.
Press [BANK] to proceed to the next test item. Hold down [SHIFT] and press
[FAVORITE 1] to return to the preceding test item.
Note any inconsistency in the brightness of the various red LEDs.
LED/LCD shock test
1. Device check
•
Press [FAVORITE 1] to begin the SDRAM check. Verify that a result of
OK appears.
•
Press [FAVORITE 2] to begin the FLASH check. Verify that a result of OK
appears.
•
Press [FAVORITE 3] to begin the ESP check. Verify that a result of OK
appears.
•
Press [FAVORITE 4] to begin the XP check. Verify that a result of OK
appears.
Drop the rear edge of the unit (marked [] in the illustration) three times from a
height of 5 cm. Then drop the front edge of the unit (marked O in the
illustration) three times from a height of 5 cm. Verify that the LEDs do not go
dark, and that there is no change in the LCD display.
fig.ledcheck3.eps
Press [BANK] to proceed to the next test item.
Press [BANK] to proceed to the next test item.
19
Dec.2004
3. SW and LED check
4. LCD and Encoder check
fig.swcheck1.eps
fig.lcdencordercheck1.eps
Press the switch whose name is displayed.
For switches that have a lit LED, verify that the LED goes dark when you press
the switch.
fig.swcheck2.eps
4-1. Adjusting the LCD contrast
Verify that there is no crosstalk in the background and is no unevenness in the
contrast.
If there is a no problem with the contrast.
-> Use [BANK] to proceed to the next test item
If there is a problem with the contrast.
->Make this adjustment, please refer to followings.
Turn the encoder counter-clockwise to lighten the contrast.
Turn the encoder clockwise to darken the contrast.
* The standard setting is "0." It is adjustable in a range from "-4" through "+4".
fig.swcheck3.eps
When you're finished making the setting, press [ENTER]. The display will
indicate "Now Writing," and the setting will be written into memory.
Press the [BANK] switch to proceed to the next test item.
4-2. Slowly turn [VALUE] clockwise for
three clicks.
fig.lcdencordercheck2.eps
If you pressed the correct switch.
fig.swcheck4.eps
If you pressed the wrong switch. (Ex. press the KIT)
fig.swcheck5.eps
Verify that the display changes from 0 -> 1 -> 2 -> 3, and that the contrast
below the characters darkens.
Verify that the characters can still be read even when the contrast is darkest
(third click).
4-3. Slowly turn [VALUE] counterclockwise for three clicks.
fig.lcdencordercheck3.eps
When all have been completed, press [BANK] to proceed to the next test item.
Verify that the display changes from 3 -> 2 -> 1 -> 0, that the contrast below the
characters lightens, and that the characters do not disappear.
Press [BANK].
20
DR-880
4-4. PATTERN check
4-8. All Lit check
fig.lcdencordercheck4.eps
fig.lcdencordercheck8.eps
Check the text encircled in the illustration.
[SONGPATTERN PRESET USER]
Verify that there is no inconsistency, missing characters, gaps, or light patches
in the LCD.
Press [BANK].
Press [BANK].
4-5. PATTERN No. check
4-9. All Dark check
fig.lcdencordercheck5.eps
Check the text encircled in the illustration.
[8 8 8]
Press [BANK].
4-6. TEMPO check
fig.lcdencordercheck9.eps
Verify that no display elements are lit.
Press [BANK].
4-10. Checkerboard pattern check
fig.lcdencordercheck10.eps
fig.lcdencordercheck6.eps
Check the text encircled in the illustration.
fig.lcdencordercheck11.eps
[8 8 8]
Press [BANK].
4-7. KEY check
fig.lcdencordercheck7.eps
Verify that the checkerboard pattern is not distorted.
fig.lcdencordercheck12.eps
Check the text encircled in the illustration.
[8 1 #b m]
Press [BANK].
Drop the rear edge of the unit (marked [] in the illustration) three times from a
height of 5 cm, and verify that there is no abnormality in the display.
Press [BANK] to proceed to the next test item.
21
Dec.2004
5. Piezo check
fig.volumecheck4.eps
fig.piezo.eps
Set the GUITAR/BASS INPUT VR to the maximum position.
fig.volumecheck5.eps
With your finger, lightly strike the pad [RIDE [20, B]] of the DR-880; the
“VALUE” in the LCD will change.
“PEAK” will indicate the peak-hold value.
Gradually increase the force of your strikes until PEAK indicates “OK.”
fig.piezocheck2.eps
6-2. Drum VR check
Perform the same test for the DRUM VR. (maximum -> center -> minimum ->
maximum)
fig.volumecheck6.eps
Verify that PEAK indicates OK.
Press [BANK] to proceed to the next test item.
6. Volume check
6-1. Guitar/bass input VR check
fig.volumecheck1.eps
6-3. Bass VR check
Perform the same test as you did for the BASS VR. (maximum -> center ->
minimum -> maximum)
fig.volumecheck7.eps
Set the GUITAR/BASS INPUT VR to the center position.
fig.volumecheck2.eps
*
If desired, you can set all knobs to the maximum position and then press the
[TSC] and resume from the GUITAR/BASS INPUT VR check.
Verify that all VR tests are successfully completed (all OK).
Press [BANK] to proceed to the next test item.
7. Foot Switch check
The result will be NG if you move any other volume control.
In this case, set all knobs to the maximum position, and then press the [TSC]
switch to resume from the GUITAR/BASS INPUT VR check.
fig.volumecheck3.eps
Set the GUITAR/BASS INPUT VR to the minimum position.
22
fig.footswcheck1.eps
DR-880
7-1. Press the FS-5U connected to CTL1
of the CTL 1,2 jack.
fig.exppedalcheck2.eps
fig.footswcheck2.eps
Advance the EV-5 pedal to the maximum position (away from yourself).
fig.exppedalcheck3.eps
Release the FS-5U.
fig.footswcheck3.eps
Slowly return the EV-5 pedal to the minimum position (toward yourself).
fig.exppedalcheck4.eps
7-2. Test CTL2 in the same way. (press
-> release)
fig.footswcheck4.eps
The OK result will not appear unless the center position is detected.
Verify that all results return OK.
7-3. Test CTL3 in the same way. (press
-> release)
fig.footswcheck5.eps
Press [BANK] to proceed to the next test item.
9. MIDI and USB test
MIDI
7-4. Test CTL4 in the same way. (press
-> release)
1.
Use a MIDI cable to create a loop between MIDI OUT and IN.
2.
Press [FAVORITE 1].
3.
Verify that that MIDI test result is OK.
USB
1.
Use a USB cable to connect the DR-880 to your computer.
2.
Press [FAVORITE 2].
3.
Verify that the USB test result is OK.
fig.footswcheck6.eps
fig.midiusbcheck1.eps
Verify that all Foot Switch tests produce a result of OK.
Press [BANK] to proceed to the next test item.
8. Exp Pedal check
Press the [BANK] switch to proceed to the next test item.
Connect an EV-5 to the CTL3,4 EXP PEDAL jack.
Start with the expression pedal lowered (minimum position).
fig.exppedalcheck1.eps
Slowly advance the EV-5 pedal (away from yourself).
23
Dec.2004
10. DSP Thru Waveform check
fig.outputdacheck1.eps
10-5. Insert the plug back into
[MASTER OUTPUT] R, and check the
waveform.
fig.outputdacheck4.eps
10-1. Check the [MASTER OUTPUT]
waveform.
fig.outputdacheck2.eps
10-6. Disconnect the plug from
[MASTER OUTPUT] L (MONO), and
check the waveform.
fig.outputdacheck5.eps
VOLT/DIV:2V TIME/DIV:1mS
10-2. Slowly turn [MASTER VOLUME]
toward the minimum position.
Verify that the square wave shown in the illustration from “OUTPUT L/R”
gradually decreases.
10-3. Slowly turn [MASTER VOLUME]
toward the maximum position.
Verify that the square wave shown in the illustration from “OUTPUT L/R”
gradually increases.
*
Note: The waveform must not abruptly increase or cut out.
*
Note: Misshapen waveforms or waveforms below the nominal level are NG.
10-4. Disconnect the plug from
[MASTER OUTPUT] R, and check the
waveform.
fig.outputdacheck3.eps
24
10-7. Insert the plug back into
[MASTER OUTPUT] L (MONO), and
check the waveform.
fig.outputdacheck6.eps
DR-880
10-8. MUTE circuit check
Use [TSC] to switch between MUTE_OFF <--> ON.
fig.outputdacheck7.eps
10-8-2. Check the [MASTER OUTPUT]
(PIN) waveform.
fig.outputdacheck10.eps
Amplitude: 1.5--1.9 [Vp-p]
mute off
fig.outputdacheck11.eps
10-8-1. Check the “MASTER OUTPUT L
(MONO)/R” waveform.
fig.outputdacheck8.eps
mute on
mute off
Amplitude: 4.8--6.0 [Vp-p]
10-8-3. Check the [INDIVIDUAL]
waveform.
fig.outputdacheck12.eps
fig.outputdacheck9.eps
mute on
Amplitude: 1.8--2.3 [Vp-p]
mute off
fig.outputdacheck13.eps
mute on
25
Dec.2004
10-8-4. Check the [PHONES]
waveform.
fig.afgaincheck2.eps
fig.outputdacheck14.eps
Amplitude: 1.3--1.5 [Vp-p]
Press [BANK] to proceed to the next test item.
Amplitude: 4.9--6.1 [Vp-p]
mute off
fig.outputdacheck15.eps
12. IN-OUT check, Residual
Noise check
fig.inputadcheck1.eps
mute on
10-8-5. Check the DIGITAL OUT
waveform.
fig.outputdacheck16.eps
12-1. Check the “MASTER OUT” L
(MONO)/R waveform.
Input a sine wave (200 Hz, -10 dBm) from the “GUITAR/BASS INPUT.”
On your oscilloscope, set VOLT/DIV to 5 [V].
Check the sine wave that is output from “MASTER OUT L (MONO)/R.”
fig.inputadcheck2.eps
Amplitude: 4.0--5.0 [Vp-p]
*
It is not necessary to check MUTE.
Press the [BANK] switch to proceed to the next test item.
11. AF Gain check
fig.afgaincheck1.eps
Input a square wave (200 Hz, 100 mVp-p) from the “GUITAR/BASS INPUT.”
Check the square wave that is output from “MASTER OUT L (MONO)/R.”
26
VOLT/DIV:5V TIME/DIV:1mS
Amplitude: 9.0--12 [Vp-p]
If distortion is visible in the waveform, the result is NG.
Remove the plug from the “GUITAR/BASS INPUT.”
fig.inputadcheck3.eps
DR-880
12-2. Check the residual noise of
“MASTER OUT” L (MONO)/R.
Listen to the noise, and verify the following.
1.
Noise level: -73 dBu or less (both L and R)
2.
No abnormal sound is present in the output.
3.
No abnormal sound is produced when you apply physical shock to the
unit.
12-3. Check the residual noise of
“MASTER OUT” (PIN).
Listen to the noise, and verify the following.
1.
Noise level: -82 dBu or less (both L and R)
2.
No abnormal sound is present in the output.
3.
No abnormal sound is produced when you apply physical shock to the
unit.
12-4. Check the residual noise of
“INDIVIDUAL.”
Listen to the noise, and verify the following.
1.
Noise level: -77.5 dBu or less (both L and R)
2.
No abnormal sound is present in the output.
3.
No abnormal sound is produced when you apply physical shock to the
unit.
12-5. Check the residual noise of
“PHONES.”
Listen to the noise, and verify the following.
1.
Noise level: -72 dBu or less (both L and R)
2.
No abnormal sound is present in the output.
3.
No abnormal sound is produced when you apply physical shock to the
unit.
12-6. Check the residual noise of
“MASTER OUT” L (MONO)/R at the HiGain setting. (INPUT residual noise
check)
Press [BANK] to select “Hi-Gain.”
fig.inputadcheck4.eps
Listen to the noise, and verify the following.
1.
Noise level: -70 dBu or less (both L and R)
2.
No abnormal sound is present in the output.
3.
No abnormal sound is produced when you apply physical shock to the
unit.
13. Turn off the power.
27
Dec.2004
DR-880
BLOCK DIAGRAM
fig.block.eps
USB Controller IC
(MIDI or STRAGE)
MIDI IN
MIDI OUT
CPU
UPD703106(V8 50 MA1)
2
3
1
JK4
2
3
1
JK5
FOOT SW 1.2
FOOT SW 3.4 / EXP
PEDAL
FLASH MEMORY(16M)
D
JK3
2
DRAM(4M/WO RKING)
SW BOARD
ASSY
DIGITAL OUT
1
D
12
JK1 A
22
JK1 B
OUTPUT L( MONO)
XP7
TC203C180AF
MASK ROM
(WAVE 128M)
OUTPUT R
11
A
SYNC CLOCK OUT
LCD
LCD DRIVER
DAC/DIT
ESP 4
TC223C080AF-101
LCD BACK LIGHT
JK6
2
4
1
JK7
OUTPUT L( MONO)
OUTPUT R
A
OUTPUT
VOLUME
LED
2
4
1
JK11
2
3
1
LED DRIVER
PHONES
A
DRAM(4M)
VOLUME
CODEC
JK8
2
3
1
INDIVIDUAL A
2
3
1
INDIVIDUAL B
JK9
A
AF-AD
A3.3 V
D3.3 V
JK10
2
4
1
GUITAR IN
A
A+12V
POWER SW
SW1A
12
11
13
JK12
2
1
3
BRC ADAPTOR
AC 14 V
A-1 2V
29
Dec.2004
DR-880
CIRCUIT BOARD (MAIN BOARD)
fig.b-main1.eps
View from components side
31
Dec.2004
DR-880
CIRCUIT BOARD (MAIN BOARD)
fig.b-main2.eps
View from foil side
33
Dec.2004
DR-880
CIRCUIT DIAGRAM (MAIN, VOLUME)
fig.c-digital.eps
D +3. 3
R1
10k
+
A0
D +3. 3
C215
0.1
1
5
6
7
8
XRST
4
2
6 7
1
6
IC7C
TC7W04FU
IC7A
TC7W04FU
11
42
D
D +3. 3
L33
N1608Z601T01
G
DIR
8
IC7B
5
7
SDRAM(16Mbit)
D +3. 3
R300
10k
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
R24
10k
D +3. 3
20
32
31
30
29
28
27
24
23
22
21
18
17
16
15
A20 19
X1
HC-49SM(6MHz)
36
14
1
37
C52
15p
34
R33
6.8k
52
53
54
1
D13
2 N.I.U
1
2
3
D12
RD5.6EB2
DA2
D +3. 3 DA204U
2
1
1M
-
1
+
D +3. 3
D
C63
47/16
72
73
74
75
76
77
78
79
80
FS4
FS3
C70
FS2
150p
FS1
R36 R37
470k100k
A
A
C227 C225
N.I.U N.I.U
C226
N.I.U
2
R40
6.8k
6
-
DA3
DA204U
7 3
5 +
C75
0.001
1
8
A
IC14B
M5218AFP
SI2/IP131/P31
SO2/IP130/P30
SCK1/P45
RXD1/SI1/P44
TXD1/SO1/P43
SCK0/P42
RXD0/SIO/P41
TXD0/SO0/P40
AVDD/AVREF
AVSS
C228
0.1
C64
0
C71
1/50
RXD2/IP120/P34
TXD2/IP133/P33
SCK2/IP132/P32
R31
10 +
71
3
R34
1k
C69
0.22/50
R35
3.3k
68
69
70
D
A
R38
6.8k
65
66
67
D
D2
1SS352
1
2
IC14A
M5218AFP
55
56
D +3. 3
CN3
N.I.U(B7B-PH-K-S)
7
MODE2
7 6
6
5
XRST
5 4
4
3
3
2
2 1
1
ADTRG/IP123/P37
IP122/P36
IP121/P35
C76
0.001
C77
0.001
C78
0.001
19
20
21
22
23
24
25
26
CDTI
CCLK
CSN
-
P77/ANI7
P76/ANI6
P75/ANI5
P74/ANI4
P73/ANI3
P72/ANI2
P71/ANI1
P70/ANI0
DRQ3/IP103/P07
DRQ2/IP102/P06
DRQ1/IP101/P05
DRQ0/IP100/P04
TO00/P03
IP001/P02
TIO00/IP000/P01
PWM0/P00
+
IC14C
M5218AFP
CN4
A2001WV2-10P
1
1
2
2
3
3 4
4
5
5 6
6
7
7 8
8
9
9 10
10
29
30
31
32
33
34
35
36
MUTE
PDN
C229
N.I.U
R42
47
VROUT_R
VRIN_R
VRIN_L
VROUT_L
R44
47
C81
150p
ESP_INT0
XP_INT
R45
47
C82
150p
39
40
41
42
43
44
45
46
SW_SCAN6
SW_SCAN5
SW_SCAN4
SW_SCAN3
SW_SCAN2
SW_SCAN1
SW_SCAN0
C83
150p
A
DMAAK3/PBD3
DMAAK2/PBD2
DMAAK1/PBD1
DMAAK0/PBD0
TO01/P13
IP011/P12
TIO10/IP010/P11
PWM1/P10
TC3/IP113/P27
TC2/IP112/P26
TC1/IP111/P25
TC0/IP110/P24
TO02/P23
IP021/P22
TIO20/IP020/P21
NMI/P20
D
To VOLUME BOARD
C84
10p
R56
100k
60
2
CN5
A2001WV2-4P
1
1 2
2
3
3
4
4
83
84
85
86
XP_RST
LED_DATA
LED_CLOCK
D +3. 3
R53
100k
62
1
R52
100k
63
ENCA
R55
100k
C87
0.0047
D
D
C85
10p
PCS7/CS7
PCS6/CS6/RAS6
PCS5/CS5/IORD
PCS4/CS4/RAS4
PCS3/CS3/RAS3
PCS2/CS2/IOWR
PCS1/CS1/RAS1
PCS0/CS0
PCD3/UBE/SDRAS
PCD2/LBE/SDCAS
PCD1/SDCLK
PCD0/SDCKE
2
CD
X1
NC
3
C100
0.1
D
D +3. 3
D
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
144
1
2
3
4
5
6
7
10
11
12
13
14
15
16
17
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
D15
RA32 D14
68x4 D13
D12
D11
RA33 D10
68x4 D9
D8
D7
RA34 D6
68x4 D5
D4
D3
RA35 D2
68x4 D1
D0
D
1
33
59
CVSS
RESET
XRST
49
48
46
45
43
42
40
39
12
11
9
8
6
5
3
2
VDD
VDD
NC/RFU VDDQ
VDDQ
CKE
VDDQ
VDDQ
CLK
VSSQ
VSSQ
VSSQ
VSSQ
NC
RA20
68x4
7
13
38
44
4
10
41
47
C59
10/16
26
50
C55
C57
C54
C56
C58
0.1 0.1 0.1 0.1 0.1 0.1
D
FLASH MEM(16Mbit)
RA24
68x4
13
10
9
16
17
48
1
2
3
4
5
6
7
8
18
19
20
21
22
23
24
25
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
RA27
68x4
RA29
68x4
RA31
68x4
NC(A21)
NC(A20)
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DQ15/A-1
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
45
43
41
39
36
34
32
30
44
42
40
38
35
33
31
29
27
25
23
21
22
24
26
28
29
30
31
32
34
35
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
36
41
47
52
55
50
46
40
38
43
49
54
53
48
42
37
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D +3. 3
60
CS3
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
CE
WE
OE
RY/BY
BYTE
WP/ACC
RESET
VDD
64
59
147
150
152
154
156
155
153
151
148
130
135
136
137
138
139
141
142
VSS
VSS
37
C73
10/16
C72
0.1
27
46
58
19
20
57
62
D +3. 3
26
11
28
15
47
14
12
CS0
145
146
143
IC13
MBM29DL164BE-70
3
12
D
C80
0.1
18
4
16
2
R43
10k
47
R49
47
R50
47
C27
10/16
D +3. 3
0.1
C30
C35
0.1
C40
0.1
C45
0.1
0.1
R51
10k
WAVE ROM(128Mbit)
D
XP7
CD15
CD14
CD13
CD12
CD11
CD10
CD9
CD8
CD7
CD6
CD5
CD4
CD3
CD2
CD1
CD0
0.1
C23
0.1
C28
0.1
C33
0.1
C38
0.1
C43
WA23
WA22
WA21
WA20
WA19
WA18
WA17
WA16
WA15
WA14
WA13
WA12
WA11
WA10
WA9
WA8
WA7
WA6
WA5
WA4
WA3
WA2
WA1
WA0
WD15
WD14
WD13
WD12
WD11
WD10
WD9
WD8
WD7
WD6
WD5
WD4
WD3
WD2
WD1
WD0
AS
CS
RW
DS
WAIT
INT
CK
WCS7
WCS6
WCS5
WCS4
WCS3
WCS2
WCS1
WCS0
RESET
EA8
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
WOE1
WOE0
WREQ
WACK
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
OUTP2
OUTP1
OUTP0
WCKC
BCKC
SDOD
SDOC
RAS
CAS
EWE
WCKB
BCKB
SDIB
SDOB
SDIA5
SDIA4
SDIA3
SDIA2
SDIA1
SDIA0
SYI
SYO
TEST
SDOA5
SDOA4
SDOA3
SDOA2
SDOA1
SDOA0
D
D +3. 3
D
0.1
CA13
CA12
CA11
CA10
CA9
CA8
CA7
CA6
CA5
CA4
CA3
CA2
CA1
CA0
C204
0.1
0.1
IC15
TC7SH32FU
65
D
20
D +3. 3
0.1
WCKA
BCKA
1
R46
10
22
VOLUME BOARD
0.1
D +3. 3
D +3. 3
100
101
102
103
104
105
106
107
108
109
110
111
VR4B
RV142A-40E1(50kA)
A
0.1
D
1
25
C53
RA21
68x4
C44
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D +3. 3
UDQM
LDQM
VSS
VSS
90
91
87
88
89
92
93
94
95
96
97
18
57
58
67
68
70
69
71
73
95
92
90
86
84
81
79
76
74
75
78
80
82
85
87
91
94
93
99
104
109
113
116
112
108
103
102
107
111
115
114
110
106
101
36
12
13
11
14
15
2
3
4
5
6
7
8
9
10
16
17
18
19
20
21
22
23
24
27
1
WD15
WD14
WD13
WD12
WD11
WD10
WD9
WD8
WD7
WD6
WD5
WD4
WD3
WD2
WD1
WD0
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
46
44
42
40
35
33
31
29
45
43
41
39
34
32
30
28
WD15
WD14
WD13
WD12
WD11
WD10
WD9
WD8
WD7
WD6
WD5
WD4
WD3
WD2
WD1
WD0
D +3. 3
VCC
VCC
VSS
VSS
VSS
VSS
CE
OE
BYTE
38
37
C60
0.1
48
47
26
25
99
100
102
103
104
105
106
107
D7
D6
D5
D4
D3
D2
D1
D0
C61 C62
0.1 10/16
D +3. 3
D
D +3. 3
R30
10k
D +3. 3
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
126
125
124
123
122
120
119
118
81
82
83
84
86
87
88
89
91
92
94
95
96
97
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
WD15
WD7
WD14
WD6
WD13
WD5
WD12
WD11
WD3
WD10
WD8
WD0
WD1
WD9
WD2
WD4
RA22
10kx4
74
75
77
78
79
CS4
RA25
10kx4
RA28
10kx4
65
66
67
68
69
70
71
D +3. 3
RA30
4.7kx4
CA13
CA12
CA11
CA10
CA9
CA8
CA7
CA6
CA5
CA4
CA3
CA2
CA1
CA0
CD7
CD6
CD5
CD4
CD3
CD2
CD1
CD0
INT1
INT0
CS
WR
RD
DIRECT
CTYPE
EAMPX
RFRSH
PWRSAV
GRAMC
SHRMD
D
30
OSC
D
97
98
118
119
121
122
123
125
126
127
128
129
ESP_INT0
13
10
14
D +3. 3
129
130
132
133
9
8
7
5
4
C74
0.1
4
3
2
175
2
SG-8002JC(67.7376MHz)
174
173
OE
GND
OUT
H/L
3
TRS5
TRS4
TRS3
TRS2
TRS1
TRS0
8
7
6
5
1
TRR5
2 RA36 TRR4
3 47x4 TRR3
4
TRR2
TRR1
TRR0
134
135
137
64fs 138
X2
256fs 139
141
ESP_DA5
166
167
168
169
170
172
158
159
160
161
162
163
D
VDD
1
ESP_DA3
76
131
31
ESP_DA1
R41
47
ESP_AD
ESP_LRCK
ESP_BCK
R159 47
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
AD3
AD2
AD1
AD0
LRCK1
LRCK0
ESP4
TRR5
TRR4
TRR3
TRR2
TRR1
TRR0
TRCKIN
RST2
RST1
VPOUT
TRS5
TRS4
TRS3
TRS2
TRS1
TRS0
TRCKO
SYO
SYI
EA9
EA8
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
ED23
ED22
ED21
ED20
ED19
ED18
ED17
ED16
ED15
ED14
ED13
ED12
ED11
ED10
ED9
ED8
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
BCK1
BCK0
MCK1
MCK0
R160 47
0.1
C31
0.1
C36
0.1
C41
0.1
C46
0.1
C49
0.1
0.1
C50
D15/A-1
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0.1
C25
0.1
C47
IC9
MR27V12800J
C20
0.1
D
IC10
TC223C080AF-101(ESP4)
WE
CAS
RAS
63
62
61
60
58
57
56
TRR5
TRR4
TRR3
TRR2
TRR1
TRR0
XRST
52
53
C224
0.01
54
R28
100
110
111
112
113
114
115
117
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
RA15
47x4
TRS5
TRS4
TRS3
TRS2
TRS1
TRS0
RA17
47x4 D +3. 3
142
143
R29
10k
28
27
25
24
23
21
20
19
17
16
50
49
48
47
46
45
43
42
41
40
39
38
35
34
33
32
10
9
8
7
5
4
3
2
D
EA8
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
28
27
26
25
24
21
20
19
18
13
14
17
32
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
16
30
31
15
29
DRAM(4Mbit)
IC12
LC32V4265CT-25-TLM-E
43
A8
I/O16
42
A7
I/O15
41
A6
I/O14
40
A5
I/O13
38
A4
I/O12
37
A3
I/O11 36
A2
I/O10
35
A1
I/O9 10
A0
I/O8
9
I/O7
8
NC
I/O6 7
NC
I/O5
5
NC
I/O4 4
NC
I/O3
3
I/O2 2
I/O1
RAS
UCAS
LCAS
WE
OE
D
VCC
VCC
VCC
VSS
VSS
VSS
1
2
3
4
1
2
3
4
D +3. 3
8
RA23
7
10kx4
6
5
8
RA26
7
10kx4
6
5
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
D +3. 3
22
6
1
C68
10/16
44
39
23
C65 C66 C67
0.1
0.1
0.1
D
12
13
14
XTESTT
XTESTS
TESTB
C249
0.1
ESP_MCK
D +3. 3
D
A
R47 47
R48 47
IC8
TC203C180AF003(XP7)
D
33.8688MHz
MODE2
XRST
R54
10k
XP_RST
D
CPU V850 MA1
CVDD
R58
10k
OUT
VSS
5
VDD
IC16
S-80930CNMC-G80
C89
0.1
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
C39
XP_INT
VPP/MODE2
MODE1
MODE0
X2
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
CS
RAS
CAS
WE
BA
D
R57
10k
D +3. 3 D +3. 3 D +3. 3 D +3. 3 D +3. 3 D +3. 3 D +3. 3 D +3. 3 D +3. 3
64
D +3. 3
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
A
VR4A
RV142A-40E1(50kA)
D +3. 3
CKSEL
C88
0.1
D
Reset
PCM1/CLKOUT/BUSCLK
PCM0/WAIT
PCM4/REFRQ
PCM3/HLDRQ
PCM2/HLDAK
PCT7/BCYST
PCT6/OE
PCT5/WE
PCT4/RD
PCT1/UCAS/UWR/UDQM
PCT0/LCAS/LWR/LDQM
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
To ENCODER BOARD
PDL15/D15
D14/PDL14
D13/PDL13
D12/PDL12
D11/PDL11
D10/PDL10
D9/PDL9
D8/PDL8
D7/PDL7
D6/PDL6
D5/PDL5
D4/PDL4
D3/PDL3
D2/PDL2
D1/PDL1
D0/PDL0
114
115
116
117
118
119
120
121
122
123
126
127
128
129
130
131
132
133
136
137
138
139
140
141
142
143
D +3. 3
61
C86
0.0047
PAH9/A25
PAH8/A24
PAH7/A23
PAH6/A22
PAH5/A21
PAH4/A20
PAH3/A19
PAH2/A18
PAH1/A17
PAH0/A16
PAL15/A15
PAL14/A14
PAL13/A13
PAL12/A12
PAL11/A11
PAL10/A10
PAL9/A9
PAL8/A8
PAL7/A7
PAL6/A6
PAL5/A5
PAL4/A4
PAL3/A3
PAL2/A2
PAL1/A1
PAL0/A0
P52/TO03
P51/IP031
P50/IP030/TI030
PCM5/SELFREF
X3
HC-49SM(5MHz)
ENCB
A10/AP
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D
IC11
UPD703106AGJ-086-UEN
49
50
51
RA19
100kx4
C34
10/16
C16
0.1
C18
0.1
C22
0.1
C26
0.1
C32
0.1
C37
0.1
C42
0.1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
C216 C218 C220 C222
0.1
0.1
0.1
0.1
C217 C219 C221
0.1
0.1
0.1
R32
4
RA11
N.I.U
R26
1M
2
D
2
- 12
C24
C29
D
5
6
7
8
5
6
7
8
4
3
2
1
4
3
2
1
RA18
100kx4
D
+
C19
35
To Flash Writer
C205
0.1
C17
RA10
N.I.U
CS1
R27
100
1
24
23
D +3. 3
C14
RA9
N.I.U
IC6
M12L16161A-7T
CS6
13
XOUT
D
To MAIN BOARD
CN12
WIRING VR BOARD
13
14
D
RA8
N.I.U
14
XIN
SW_SCAN6
SW_SCAN5
SW_SCAN4
SW_SCAN3
SW_SCAN2
SW_SCAN1
SW_SCAN0
D +3. 3
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
R25
10k
TEST
RST
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
45
44
41
43
CS
LWR
HWR/BYTE
RD
46
A6
A5
A4
A3
A2
A1
C51
15p
LED_DATA
LED_CLOCK
C79
0.1
TC1
D
SW_DATA7
SW_DATA6
SW_DATA5
SW_DATA4
SW_DATA3
SW_DATA2
SW_DATA1
SW_DATA0
+ 12
DREQ0
DACK0
R23
10k
TC7W04FU
XRST
D
D
DACK1
DREQ1
C248
10/16
D
To LCD
D
40
39
38
37
34
33
32
31
30
29
28
27
26
25
24
23
D15/A0
D14/P6
D13/P5
D12/P4
D11/P3
D10/P2
D9/P1
D8/P0
D7
D6
D5
D4
D3
D2
D1
D0
INT1/SOF
INT0
D IC7D
TC7W04FU
0.1
A
10
D +3. 3
10
C206
CN2
22FE-BT-VK-N
22
22
21
21
20
20
19
19
18
18
17
17 16
16
15
15
14
14
13
13 12
12
11
11
10
10 9
9 8
8 7
7 6
6
5
5
4
4 3
3
2
2
1
1
C48
0.1
3
4
VCC
20
19
1
18
17
16
15
14
13
12
11
B1
B2
B3
B4
B5
B6
B7
B8
47
48
TRON
N1608Z601T01
C11
0.1
5
L23
N1608Z601T01
RA13
47x4
A1
A2
A3
A4
A5
A6
A7
A8
N.I.U
VBUS
36
+ 12
2
3
4
5
6
7
8
9
8
7
6
5
8
7
6
5
R19
D +3. 3
GND
1
2
3
4
1
2
3
4
8
9
R18
N.I.U
D +3. 3
IC25
TC74VHC245FT
RA12
47x4
D +3. 3
A
R17
10k
D-
22
21
20
19
18
17
A6
A5
A4
A3
A2
A1
C234
2.2/50
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
11
26
37
51
73
90
101
109
120
140
5
2
R22
22
D+
D +3. 3
L34
R10 10k
D
IC4
M66291GP
3
3
3
D
4
R21
10k
G
DIR
XCS
20
XRESET 19
A0
18
XWR
17
XRD
16
D0
15
D1
14
D2
13
D3
12
D4
11
D5
10
D6
9
D7/SI 8
DUTY0 7
DUTY1 6
VOUT
5
VDD
4
VSS
3
C86
2
P/S
1
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
35
12
D +3. 3
2
D
To SW BOARD
19
1
18
17
16
15
14
13
12
11
100x4
1
2
3
4
1
2
3
4
RA7 100x4
VR3B
RV110-40E1(50kB)
10
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
D
D +3. 3
B1
B2
B3
B4
B5
B6
B7
B8
RA6
8
7
6
5
8
7
6
5
R7 10k
R8 10k
1
2
3
4
5
6
7
8
9
10
18
59
93
128
C8
0.01
D
VR2B
RV110-40E1(50kB)
20
1
2
3
4
5
6
7
8
9
10
CN1
20FMN-BTK-A
VDD3
VDD3
VDD3
VDD3
C7
0.01
CORE-VCC
CORE-VCC
4
2
5
C5
0.01
D
D +3. 3
DA1
DA204U
VR3A
RV110-40E1(50kB)
2
6
15
22
29
36
44
55
64
72
80
85
98
108
116
124
136
144
2
4
2
1
D +3. 3
L9
N1608Z601T01
C4
0.01
5
1
L10
N1608Z601T01
D +3. 3
C3
10/16
4
3
IC5
PC400T
30
40
50
60
OUT
R20
22(1/2W)
R14
1.5k
1
5
IN
R16
100
D
D +3. 3
0.1
D1
1SS352
6
R15
120
C21
N.I.U
R4 10k
6
15
17
39
51
61
63
72
83
96
105
117
127
131
134
140
149
157
164
171
D +3. 3
C15
MIDI
JK2
YKF51-5054 L6
N1608Z601T01
14
12
15
L7
N1608Z601T01
L8
N1608Z601T01
24
22
25
D +3. 3
20
D +3. 3
C2
10/16
VCC
C13
0.01
A1
A2
A3
A4
A5
A6
A7
A8
GND
C12
10/16
2
3
4
5
6
7
8
9
D0
D1
D2
D3
D4
D5
D6
D7
10
C10
N.I.U
D
GND
C9
N.I.U
20
1
D +3. 3
IC2
TC74VHC245FT
D
D
16
1
R13
100k
D
12
56
100
144
L4
N.I.U
D
R9
27
VDD3
VDD3
VDD3
VDD3
IC3
N.I.U (SN65220)
C240 C241 C242 C243 C244 C245 C246
68p 68p
68p 68p
68p
68p
68p
1
11
33
44
45
66
77
88
89
121
132
133
165
176
3
VR2A
RV110-40E1(50kB)
2
1
C6
N.I.U
IO-VCC
IO-VCC
NC
4
5
6
GND
B
L3
3
2
1
VR1B
RV110-40E1(50kB)
10
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
VDD5
1
GND
NC
GND
GND
20
D
2
4
A
15
2
5
9
28
48
38
82
99
113
125
135
6
D
R6
27
IC28
TC7SH32FU
VR1A
RV110-40E1(50kB)
2
10
D
3
R5
1.5k
3
MAIN BOARD
(Digital)
ZCYS51R5-M3PAT
L2
N.I.U
4
1
2
3
20
10
JK1
YKF45-0021
4
3
2
1
RA3
100x4
1
L1
N.I.U
3
5
USB
C235 C236 C237 C238 C247 C239
68p
68p
68p
68p
68p
68p
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
134
124
112
98
81
37
47
27
8
D
C90
0.1
C91
0.1
C92
0.1
C93
0.1
C94
0.1
C95
0.1
C96
0.1
C97
0.1
C98
0.1
D
D
D
D
D
D
D
D
C99
10/16
4
C101
0.001
D
D
35
Dec.2004
DR-880
CIRCUIT DIAGRAM (JACK)
fig.c-analog.eps
D
C107
0.1
9
ESP_DA1
10
11
12
7
6
13
8
LOUT
RIN
ROUT
SDTI
SDTO
LRCK
MCLK
BCLK
DEM1
DEMO
PDN
VCOM
3
3
C118
N.I.U
A
A
D
D
2
4
1
L20
N1608Z601T01
L30
N1608Z601T01
A
OUTPUT R
JK7
HTJ-064-10I
C251
0.1
A
C129
47/16
R99
1k
R101
100k
Q5
RN1441
1
R102
10k
C132
N.I.U
A
A
R120
10k
C145
N.I.U
A
A
1
2
3
D
To PIN JACK BOARD
2
A
D
CN7
A2001WV2-3P
1
2
3
3
C128
N.I.U
C200
0.1
A
A
A
15
R168
100k
R165
12k
C140
10/16
R112
1k
8
ESP_AD
A
C146
1/50
C142
10/16
C143
10/16
2
1
3 +
C211
10p
Q15
RN1441
1
14
C208
10p
R108
100k
2 -
16
C201
47/16
-
1
R114
22k
3 +
IC20A
M5218AFP
VRIN_R
VROUT_R
R117
100k
C147
0.1
C144
47/16
R113
N.I.U
IC19A
NJM4556AM
R119
100k
A
A
R116
1k
Q6
RN1441
1
C148
N.I.U
A
A
A
A
DIF1
9
C165
0.1
C166
10/16
C167
4.7/50
15
A
A
A
R125
1k
C163
10/16
R126
1k
L21
N1608Z601T01
2
4
1
3
R127
100k
C168
10p
Q7
RN1441
1
A
R129
N.I.U
C232
0.1
A
C162
10/16
IC24B
M5218AFP
R128
100k
C164
N.I.U
A
A
2 -
D
R131
39k
3
+
R130
100k
1
C202
0.1
A
C171
10/16
R132
1k
C172
10/16
D +3. 3
IC24A
M5218AFP
R134
100k
C210
N.I.U
D +3. 3
A
R136
100k
0.1 C175
D
D
L22
N1608Z601T01
R135
100k
C173
N.I.U
A
A
D4
1SS352
Q9
2SA1586GR
1
R137
10k
C176
47/16
IC24C
+
M5218AFP
R139
10k
A
0.1
C177
INDIVIDUAL B
JK9
HTJ-064-10I
L32
N1608Z601T01
A
C203
0.1
D +3. 3
-
- 12
R133
1k
2
4
1
Q8
RN1441
1
D3
1SS352
D +3. 3
+ 12
A
C252
0.1
A
C169
N.I.U
C170
10/16
INDIVIDUAL A
JK8
HTJ-064-10I
L31
N1608Z601T01
2
16
5 +
C209
N.I.U
3
PM
C161
10/16
10
R123
100k
7
-
2
DIF0
DFS0
DFS1
DEM
6
1
ROUT
C160
N.I.U
R124
39k
11
2
LOUT
2
6
7
8
MCLK
BICK
SDTI
LRCK
PDN
C157
10p
R122
N.I.U
IC23
AK4386VTP-E2
12
VCOM
1
1
2
3
4
5
ESP_DA3
D
A +3. 3
2
A
DAC
A
A
C174
470/16
R138
47k
3
A
A
Q10
2SC2412KR
- 12
R140
470k
3
A
D
A
D
C253
10/50
1
MUTE
R141
1k
2
A
8
A
C223
0.1
4
C153
47/16
14
C152
0.1
VDD
A
R121
10k
VSS
4
C151
10/16
A
LIN
C136
N.I.U
R90
100k
A
R94
N.I.U
R105
N.I.U
R104
N.I.U
R86
1k
3
C150
0.1
+
4
5
1
R118
8.2k
-
A
A
C134
10p
C254
10/16
0.1
C250
0.1
A
OUTPUT L
(MONO)
C198
7
+
IC19B
NJM4556AM
R95
100k
IC22
AK4552VT
C255
10/16
7
IC21B
NJM2100M
VROUT_L
L29
N1608Z601T01
3
-
5 +
JK6
HTJ-064-10I
L19
N1608Z601T01
C114
N.I.U
A
Q4
RN1441
1
R97
22k
3
C213
10p
A
IC21C
NJM2100M
C139
10/16
2
A
To INPUT BOARD
6
R110
10k(F-rank)
VRIN_L
R79
100k
C117
10/16
R163
100k
C199
47/16
6 5
IC20B
M5218AFP
CODEC
A
C137
10/16
VA
1
+
IC21A
NJM2100M
C212
10p
C207
C122 10p
10/16
7
5 +
Q3
RN1441
R84
1k
A
C121
10/16
A
VD
3
C214
10p
C138
100/16
R89
100k
2
A +3. 3
- 12
A
R107
150k(F-rank)
R78
1k
A
A
A
VSS
C133
10p
-
R91
1k
Q14
RN1441
1
C113
10/16
2
4
1
1
A
C126
10/16
R103
47k(F-rank)
2
R109
22(1/2W)
C125
0.1
C124
100/16
A
C135
10/16
C119
10/16
6 R167
100k
13
CN8
A2001WV2-4P
1
1
2
2
3
3
4
4
C123
0.1
C131
10p
A
R162
100k
R87
N.I.U
C116
N.I.U
2
R96
6.8k(F-rank)
Q2
RN1441
1
R76
1k
2
R164
12k
R100
10k
A
A
2
AVSS
A +3. 3
R92
10
To PHONES BOARD
A
3
C115
10p
R83
N.I.U
+ 12
C130
0.001
R71
43(1/2W)
R73
100k
+
- 12
A
R93
22(1/2W)
IC19C
NJM4556AM
- 12
A
D
C127
100/16
C159
0.1
D
D
A
A
IC18
AK4353VFP-E2
C233
0.1
R82
4.7k
1
2
3
2
4
D
FS4
R81
4.7k
C156
0.1
A
-
A C158
10/16
C154
0.1
IC20C
M5218AFP
PDN
TST
NC
1
3
R80
4.7k
C149
0.1
+
9
13
23
PDN
DA7
DA204U
2
D
20
C155
10/16
C141
470/16
-
DVSS
D +3. 3
C112
10/16
DZF
4
D +3. 3
+ 12
TTL
24
Q1
RN1441
1
A
21
2
3
1
D
1
2
3
2
VCOM
14
R75
4.7k
R69
43(1/2W)
R70
100k
18
C111
0.1
A
FS3
R74
4.7k
JK3B
YKC21-3486
CN6
A2001WV2-3P
0.1
+ 12
I2C
CAD1
CAD0
D
3
R72
470k
FL1
PT-10 (2280-T008)
C120
470/16
A
SDA/CDTI
SCL/CCLK
CSN
15
17
16
1
AOUTR
DIGITAL OUT
1
L16
N.I.U
19
C231
MICKO
MCKI
12
11
10
CDTI
CCLK
CSN
AOUTL
JK3A
YKC21-3486
2
2
2
JK5
HTJ-064-10D
C105
220p
1
0.1
8
FOOTSW 3,4 / EXP PEDAL
3
C110
N.I.U
C230
D
LRCK
BICK
SDTI
1
5
ESP_MCK
DA6
DA204U
TX
8
6
7
ESP_LRCK
ESP_BCK
ESP_DA5
8
R68
4.7k
D +3. 3
4
D
C109
10/16
4
2
FS2
R67
4.7k
D +3. 3
D
C108
0.1
6
L13
SBT-0180W
4
2
D
3
R66
4.7k
C106
10/16
1
3
D
1
2
3
C104
0.1
DA5
DA204U
2
22
D +3. 3
AVDD
D +3. 3
A +3. 3
R65
10
DVDD
FOOTSW 1,2
R60
100
R64
4.7k
R62
75
10
FS1
R63
4.7k
2
3
1
3
2
JK4
HTJ-064-10D
C103
10/16
IC17
TC7S04FU
4
10
5
3
D
L12
N.I.U
D +3. 3
C102
0.1
DAC/DIT
1
20
DA4
DA204U
2
3
D +3. 3
3
D +3. 3
R59
470k
A
D
37
Dec.2004
DR-880
CIRCUIT DIAGRAM (POWER)
fig.c-power.eps
FL2
DSS9ND31H223Q91J
FL3
N.I.U(SH-202)
L28
TSL1112-471KR72
C184
ERZVA7V330
R148
1k
C185
470/35
To LCD
Back
Light
D7
SS14
C183
470/16
D
R150
2.2k
D
FL4
DSS9ND31H223Q91J
D
CN11
A2001WV2-3P
D
8
CD
7
CS
SI
ES
6
V+
IN+
4
GND
CT
1
2
3
1
2
5
R155
43(1/2W)
D
3
IC26
NJM2374AM
R152
3.3k(F-rank)
C186
150p
D
Q12
2SD1758
2
3
2
D8
1N4004G
1
IN
OUT
A +3. 3
3
2
C188
0.1
D9
RD13ESAB2
C189
100/16
C190
0.1
C191
0.1
C192
100/16
C193
100/16
1
470/35
IC27
UPC29M33AT
+ 12
1
R153
1.5k
C187
D
D
2
1
1
2
3
R151
5.6k(F-rank)
GND
3
Q11
2SA1241Y
3
2
2
4
2
R147
0.56(1/2W)
1
1
D6
1N4004G
1
2
2
D10
RD13ESAB2
A
C194
100/16
D
C195
C196
0.1
470/35
R154
1.5k
2
1
D11
1N4004G
C197
100/16
R161
470K
1
JK12
HEC0740-010010
R149
SMDC075
SW1A
SDKLA1-B
1
2
D +3. 3
D +3. 3
L24
N.I.U
1
BRC ADAPTOR
AC14V
2
1
3
1
D
2
3
Q13
2SB1182
- 12
39
Dec.2004
DR-880
CIRCUIT BOARD (SW)
fig.b-sw1.eps
View from components side
41
Dec.2004
DR-880
CIRCUIT BOARD (SW)
fig.b-sw2.eps
View from foil side
43
Dec.2004
DR-880
CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES)
fig.c-SW.eps
2
1
2
1
PIEZO1
DB-E648
R144
C180
10k
0.47(ECPU1C474MA5)
20
10
Q1
2SK880GR
220k
R4
10k
A
PIEZO Pickup
R20
68
LED11
KP-1608SRC-PRV(RED)
CN3
WIRING PIN JACK BOARD
1
1
2
2
3
3
1
C3
0.1
R21
68
D +3. 3
D
Q11
Q10
Q9 DATA
Q8
Q7 CLOCK
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LED16
KP-1608SRC-PRV(RED)
LED15
KP-1608SRC-PRV(RED)
12
11
IC1
BU2090F
16
R19
68
To MAIN BOARD
[LOOP]
2
1
[REC]
2
2
1
[EFFECT]
1
[TSC]
22
21
2
JK1A
YKC21-3045
OUTPUT L
JK1B
YKC21-3045
OUTPUT R
C183
0.1
3
D
SW BOARD
D
LED17
KP-1608SRC-PRV(RED)
PIN JACK BOARD
To MAIN BOARD
1
To MAIN BOARD
CN11
WIRING INPUT BOARD
A +9
1
2
3
4
1
3 +
A +9
L27
N1608Z601T01
3
R3
A
R143
10k
R145
1M
220k
A
LED9
KP-1608SRC-PRV(RED)
2 -
R1
A
R15
68
2
L23
N1608Z601T01
2
4
1
A +9
C1
0.0047
IC25A
M5238AFP-600C
1
2
3
L24
N1608Z601T01
1
2
3
L25
N1608Z601T01
JK11
HTJ-064-10D
2
3
1
CN10
WIRING PHONES BOARD
L26
N1608Z601T01
1
2
3
4
PHONES
PHONES BOARD
C5
0.1
A A -9
3
A
1
DA28
DA204U
A
A +9
A -9
6 5 +
A
INPUT BOARD
7
8
2
A
C181
0.1
4
JK10
HTJ-064-10I
GUITAR/BASS INPUT
D5
1SS352
R2
1k
2
C178
N.I.U
A
1
2
3
A +9
2
2
2
1
C2
150p
LED7
KP-1608SRC-PRV(RED)
R142
10k
To MAIN BOARD
A
1
2
R13
180
LED5
KP-1608SRC-PRV(RED)
1
2
3
4
1
LED4
KP-1608SRC-PRV(RED)
LED2
KP-1608MGC(GREEN)
CN2
WIRING ENCODER BOARD
ENCODER BOARD
15
14
13
12
11
10
9
8
7
6
5
4
LED1
KP-1608MGC(GREEN)
EN1B
EVEGC1F2024B
VDD
R11
180
B
VSS
R9
180
A
1
2
3
4
SW35
[LOOP]
2
SW42
[FWD]
[FAVORITE 4]
1
1
2
R8
180
1
SW54
[BANK]
[FAVORITE 3]
EN
B
2
DA27
DAP202U
SW53
[RWD]
[FAVORITE 2]
1
1
1
2
1
3
2
EN
A
D
2
SW52
[DISPLAY]
1
2
DA26
DAP202U
EN1A
EVEGC1F2024B
1
1
D
DA21
DAP202U
2
SW48
[RESET]
1
2
SW21
[EXIT]
2
To MAIN BOARD
DA14
DAP202U
SW41
[STOP]
SW47
[SHIFT]
1
2
3
2
R6
10
1
1
DA25
DAP202U
[FAVORITE 1]
2
SW40
[REC]
2
1
1
1
2
1
1
3
1
SW46
[EDIT]
1
2
3
2
2
1
2
DA20
DAP202U
3
LED_DATA
LED_CLOCK
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SW28
[KEY]
2
DA24
DAP202U
D +3. 3[PLAY]
2
2
1
2
1
SW51
[SONG]
R5
10
DA19
DAP202U
3
2
SW50
[KIT]
SW34
[PLAY]
1
2
SW39
[FAVORITE1]
SW45
[EFFECT]
1
2
3
2
1
SW33
[KICK1]
1
2
1
3
2
SW27
[TEMPO]
1
CN1
22FE-ST-VK-N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SW14
[CURSOR DOWN]
DA13
DAP202U
2
1
1
2
SW38
[KICK2]
DA23
DAP202U
DA18
DAP202U
3
1
SW26
[CLOSED HH]
1
1
SW32
[FAVORITE2]
1
2
SW20
[ENTER]
1
2
3
2
2
1
SW31
[SNARE1]
1
2
2
SW13
[CURSOR RIGHT]
DA12
DAP202U
3
2
SW25
[PEDAL HH]
DA17
DAP202U
3
2
SW44
[TUNER]
1
2
3
2
1
2
1
DA11
DAP202U
3
2
1
2
SW49
[PAD]
2
1
DA10
DAP202U
2
1
DA22
DAP202U
1
1
SW37
[FAVORITE3]
SW43
[OUTPUT SETTING]
1
2
3
1
SW19
[TOM1]
1
2
1
DA7
DAP202U
3
D +3. 3
SW_SCAN6
SW_SCAN5
SW_SCAN4
SW_SCAN3
SW_SCAN2
SW_SCAN1
SW_SCAN0
SW_DATA7
SW_DATA6
SW_DATA5
SW_DATA4
SW_DATA3
SW_DATA2
SW_DATA1
SW_DATA0
SW7
[CURSOR LEFT]
1
2
DA6
DAP202U
3
2
SW18
[TOM2]
1
2
1
1
2
2
SW36
[SNARE2]
1
2
1
DA16
DAP202U
3
2
DA15
DAP202U
1
SW17
[TOM3]
1
2
SW24
[OPEN HH]
SW30
[FAVORITE4]
1
2
1
SW29
[CROSS STICK]
1
2
2
SW12
[CRASH 1]
2
SW23
[CLAP]
1
SW6
[CURSOR UP]
1
2
DA5
DAP202U
3
SW11
[CRASH 2]
3
2
2
1
SW22
[COWBELL]
3
2
DA9
DAP202U
1
DA4
DAP202U
2
1
3
2
3
SW10
[SPLASH CYM]
2
2
SW16
[TOM4]
1
2
DA3
DAP202U
SW5
[PATTERN]
1
2
1
1
DA8
DAP202U
1
1
SW9
[BELL]
SW15
[CHINESE CYM]
1
2
3
2
2
SW8
[RIDE]
1
3
SW4
[CHORD PROGRESS]
1
2
2
2
1
DA2
DAP202U
3
SW3
[FILL IN]
1
2
1
2
1
SW2
[GROOVE]
1
2
2
DA1
DAP202U
3
1
2
2
1
SW1
[TSC]
1
1
A +9
C182
0.1
-
IC25B
M5238AFP-600C
IC25C
M5238AFP-600C
+
A
C6
0.1
A -9
A
45
Dec.2004
ERROR MESSAGES
System error !
Cause:
Buffer full!
Cause 1: Too many MIDI messages were received all at once, and the DR-880
was unable to process all of them.
Action 1:Reduce the volume of the MIDI messages being sent by the
transmitting device.
Cause 2: You attempted to play back an excessive amount of data, and the DR880 was unable to process all of it.
Action 2:Reduce the amount of data being played back, or slow down the
playback tempo.
Checksum error !
Cause:
MIDI Exclusive messages could not be received correctly during a
Bulk Load operation.
Action: Try the operation again.
File error !
Cause:
During an SMF Import, you attempted to use a file of a type other
than those specified, or one that is invalid.
Action: Use the specified type of file.
Memory full !
Cause:
Memory is full.
Action: Save the pattern/song you are creating, and then delete unneeded
patterns or songs.
MIDI off line !
Cause:
A MIDI Active Sensing error has occurred. An abnormality has been
detected in the device or cable connected to MIDI IN.
Action: Check the device or cable connected to MIDI IN.
Not supported !
Cause:
You attempted to import SMF data that the DR-880 does not support.
Action: Check that the SMF is in a format that can be imported by the DR-880.
(p. 135)
Now working...
Cause:
Data is being processed.
Action: Please wait until the message disappears.
Now writing...
Cause:
Data is being saved to memory.
Action: Never turn off the power while this message is displayed.
*
If you turn off the power while this message is displayed, it is possible that
previously saved data (in addition to the data now being written) will also be
lost.
Too busy !
Cause:
The system attempted to concurrently process abnormally large
amounts of data, but was unable to succeed.
Action: Make sure that the unit is not being forced to handle an overly large
amount of data (in patterns, or received MIDI messages) all at once,
and try to reduce the amount of data.
Use pattern mode.
Cause:
You attempted to use EZ Compose or Groove Modify in Song mode.
Action: Switch to Pattern mode before using EZ Compose or Groove Modify.
User data is damaged.
Factory Reset
Cause:
The data in the DR-880’s internal memory is damaged. (This message
will appear when you turn on the power.)
Action: Press [ENTER] to reset the DR-880 to the factory-set condition.
46
An unknown error has occurred in the system.
Action: Immediately stop using the unit, and consult your dealer or nearest
Roland Service Center.

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