July, 1992
ERRATA
&
SUPPLEI\€I\IT i
s
attached at the end of the
page.
^
DJ-70
DJ-70
SAMPLING
WORKSTATION
TABLE
OF
CONTENTS
SPECIFICATIONS
DISASSEMBLY
LOCATION OF CONTROLS
PARTS LIST FOR
EXPLODED VIEW (NO.
1
)
PARTS LIST FOR
EXPLODED VIEW (NO.
2)
KEYBOARD
PARTS LIST
PARTS LIST FOR
EXPLODED VIEW OF SCRATCH
•
•
PARTS LIST
BLOCK DIAGRAM
HOW TO INSERT THE TWO OMS-770
(SIMM) TO EXPAND
MEMORY
IDENTIFYING VERSION
NUMBER
RESTORING
THE
FACTORY
PRESETS DATA
TEST
MODE
1C
DATA
CONTROLS PCB
ASS'Y
(or
CONTROLS
BOARD)
CONTACT PCB ASS'Y w/RUBBER
CONTACT (or
CONTACT BOARD
w/RUBBER
CONTACT)
LED PCB ASS'Y (or LED
BOARD)
SCRATCH ENCODER
ASS'Y SCRATCH
ENCODER ASS'Y
POTENTIOMETER
ASS'Y
HEADPHONES PCB ASS'Y
(or HEADPHONES BOARD)
ANALOG PCB
ASS'Y (or ANALOG BOARD)
DIGITAL PCB
ASS'Y (or DIGITAL
BOARD)
SERVICE NOTES
First
Edition
Page
1
1
2
3
4
5
5
6
7
7
8
7
7-^7
F
ij
-
•
7°U-t?'y
F
•
F'(7):^)i
8
F"E
-
K
8
~11
1C
12
CONTROLS PCB
ASS’Y (or CONTROLS BOARD) 13
CONTACT PCB ASS’Y
w/RUBBER 14
CONTACT
(or CONTACT
BOARD
w/RUBBER CONTACT)
LED
PCB ASS’Y (or LED BOARD)
15
SCRATCH ENCODER ASS’Y SCRATCH
15
ENCODER
ASS’Y
POTENTIOMETER ASS’Y
15
HEADPHONES PCB ASS’Y
15
(or
HEADPHONES BOARD)
ANALOG PCB
ASS’Y (or
ANALOG
BOARD)
16,
17
DIGITAL
PCB ASS’Y (or DIGITAL BOARD)
18,
19
i±m
(
•?
CO
1
)
7
U
7
F
•••
mm (f(0
2
)
F-"
F
/\°-7
U
7
F
7P
'y
7H1
7^
(^Roland
17059654
Printed
in
Japan
(AGDO)
(CR)
1
SPECIFICATIONS/ftm
©KEYBOARD
:
37keys with velocity.
©MAX. POLYPHONY
:
24 voices
©INPUT IMPEDANCE
: 10k ohm
©INPUT
LEVEL
:
+4
dBm to
—50
dBm continuous variance.
©OUTPUT
IMPEDANCE
:
200 ohm. (stereo
out (R, L))
©RESIDUAL
NOISE
:
More than
—80
dBm.
(Volume:Max., Input
shorted, IHF-A type.)
—Sampling
System—
©SAMPLING
RATE
;
44.1kHz,
22.05kHz
©DATA FORMAT
:
16 bit Linear with
Dl method.
©A/D
:
16 bit
©D/A
:
20 bit
©SOUND MEMORY
:
Standard :2M
byte.
(Fully expanded :4M
byte by OMS-770)
©SIGNAL
PROCESSING
:
TVF
(LPF,
BPF,
HPF,
RING),
TVA
on
24
bit.
©FREQUENCY
RESPONSE
:
20 Hz to 20k Hz.
(+0/-3
dB)
©DYNAMIC RANGE
;
More than
87 dB.
(1
Voice at
rated
output)
©TOTAL HARMONIC DISTORTION
••••
: Less
than 0.01%. (A/D
-
D/A)
—Disk
Drive System—
©FLOPPY DISK
DRIVER
;
FZ-357
318F1R0. (both 2HD and 2DD)
©POWER CONSUPTION
:
24W. (100V/1 17V/230V/240VA/240VA)
©DIMENSIONS
:30-23/32(W) x 12-3/32(H) x
4-3/8(D) inches.
780(W) X 330(H) x
126(D) mm
©WEIGHT
:
18 lbs 15 oz. / 8.6kg.
©ACCESSORIES (STANDARD)
:
Owner's Manual (English)
: PNo.K6018125
Owner's Manual
(Japanese)
: pNo.
********
Demo Disk
: PNo.7695234000
AC
Cord
(detachable/#BiijU
DC-320-J01
(100V) : PNo. 13439825
498/3SVT 2X18AWG-VII
(117V) :
PNo.13499151RI
XVII-H03VVH2F-2X0.75-VII
(230V) : PNo.13499149RI
SA/V3-OD3CCFC3X0.75-V
(240VA) : PNo.13499150RI
BS/13/H05VV-F3G0.75-V
(240VE)
: PNo.1
34991 52RI
©OPTIONS
:
Pedal Foot Switch (DP-2/6,
FS-5U)
2M byte RAM Memory Expander
(OMS-770)
3.5 inch Floppy Disk (MF-2HD
(2HD), MF-2DD (2DD))
©SAMPLING RATE/TIME
2M byte (standard) 4M byte (expanded)
22.5
sec. (44.1 kHz)
45
sec. (44.1 kHz)
45 sec. (22.05kHz)
90 sec.
(22.05kHz)
—Display System
—
©DISPLAY
;
LCD.
(64 x
240
dots)
*
OdBm
=
0.775 Vrms
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