Roland DJ-70 Operating and maintenance manual

July, 1992 ERRATA &SUPPLEI\€I\IT isattached 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
77-^7 Fij -•7°U-t?'y F•F'(7):^)i 8
F"E -K8~11
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
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(^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) x12-3/32(H) x4-3/8(D) inches.
780(W) X330(H) x126(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 x240 dots)
*OdBm =0.775 Vrms

DJ-70 July, 1992
LOCATION OF CONTROLS//\t ^UiBSHI
Rack Round Knob (Black)
(22485149)
Rack Outer Knob (Black)
(22485150)
LCD Assy +Connector-
(7695227000)
Square Knob (Black)
Rectangular Knob (Grey)
(K2478118)
Black Knob F/Encoder
(22470389) [Encoder
Encoder +Connector Assy EVQ-WQK F15-24B -Silkscreen Plexiglass
(K2238107)
-Silkscreened Top Cabinet Assy
(7695213000)
—-Pitch Bender Assy
PB-A0101
(23275870)
Rectangular Knob (Black)
(K2478117)
Triangular Knob (Black)
(K2478120)
—Keyboard Assy
(7695208000)
Note See "Scratch exploded view" (p. 5) for detailed
parts description of the scratch wheel.
(P. 5)
Top View
Floppy Disk Driver
FZ-357 318F1RO
(12409185)
Jmr
COF ELEC7IC SHCrKl A
RTTENTIGNfB(i£ tE occ eluliuie ^E prb c
Power Switch Knob N.001 (Black)
(22488183)
Power Switch
SDDG-3078A
(13129124)
AAC Inlet
8832 FSG 40 60 (100V/1 17V/230V)
(13429722RI)
6100-33 (240VA/240VE)
(13429721RI)
vidck
HLJ0520-01-110
(13449125)
Rotary Pot. (Mono)
5KB 90°
(J3219101)
^Batenid ®®(D
flC 230 V50/60HZ
-ODEL I
SERIAL NO I
-DIN Socket
YKF51-5046 3PZ
(13429273)
"J3clc
HLJ0520-01-010
(13449126)
Rotary Pot. (Mono)
5KB 90°
(J3219101)
Rear View
Knob
H770
(22493212)
Rotaly Pot. (Stereo)
3KB 90°
(13279930)
vldck
HLJ 0520-01-110
(13449125)
2

July, 1992
PARTS LIST FOR EXPLODED VIEW (N0.1)/
DJ-70
[PARTS]
NO. PARTS NAME
®TRIANGULAR KNOB (black)
(D RECTANGULAR KNOB (black)
RECTANGULAR KNOB (grey)
(D SQUARE KNOB (black)
®ROTARY POT. RK1 81 22F0 10KB
(D ROTARY POT. RK1 81 12A0 10KB
®PITCH BENDER ASSY PB-A01 01
(Z) LCD ASSY +CONNECTOR
®ENCODER EVQ-WQK FI 5-24B
®SILKSCREEN. PLEXIGLASS
®LED PCB ASSY (or LED BOARD)
®BLACK KNOB F/ENCODER
®ENCODER FIXING SUPPORT
®POTENTIOMETER SUPPORT
®LIQUID CRYSTAL SUPPORT
®SCRATCH ASSY
®SILKSCREENED TOP CABINET ASSY
®CONTROLS PCB ASSY (or CONTROLS BOARD)
dD RACK OUTER KNOB (black)
®RACK ROUND KNOB (black)
(g) VIBRATION DAMPING FOAM F/COVER
PARTS NUMBER
:K2478120
:K2478117
:K2478118
:K2478119
:13239137
:13239138
:23275870
:7695227000
:J3119101
:K2238107
:7695206000
:22470389
:K1 188104
7695213000
7695203000
22485150
22485149
3

DJ-70 July, 1992
PARTS LIST FOR EXPLODED VIEW (N0.2)/
[PARTS]
NO. PARTS NAME PARTS NUMBER
©SILKSCREENED BOTTOM CABINET ASSY :7695214000
©HEADPHONES PCB ASSY (or HEADPHONE BOARD) ••• :7695205000
©ANALOG PCB ASSY (or ANALOG BOARD) :7695202000
@KNOBH770 :22483212
E® DIGITAL PCB ASSY (or DIGITAL BOARD) :7695201000
®POWER SUPPLY ASSY
230V/240VA/240VE :7695210000
100V/117V :7695211000
A® AC INLET
8832.FSG.40.60(100V/117V/230V) :13429722RI
6100-33 (240VE/240VA) :13429721 Rl
®POWER SWITCH KNOB N,001 (black) :22488183
®FIXING SUPPORT F/POWER SOCKET :K1188103
©POWER SWITCH SDDG3078A :13129124
E® FLOPPY DISK DRIVER FZ-357 31 8F1R0 :12409185
®FLOPPY DISK DRIVER SUPPORT :K1 188111 (*)
®HEX. THREADED BAR M3 H=27 :K1488^44 (*)
®KEYBOARD ASSY :7695208000
®KEYBOARD SUPPORT :K1 188110 (*)
®PRESSURE RUBBER SFF-018 :J2359105
®JACK SOCKET HLJ0520-01 -010 :13449126
®ROTARY POT. 5KB 90° (mono) :J3219101
®JACK SOCKET HLJ0520-01-1 10 :13449125
®ROTARY POT. 3KB 90° (stereo) :13279930
(0) DIN SOCKET YKF51 -5046 3PZ :13429273
[SCREW]
®
d)
©
©
©
©
M3 X4mm Selflocking screw TCTC
M3 X6mm Selflocking screw TCTC
M4 X14mm Selflocking screw TCTC
MA3 NUT H.3
TOOTHED WASHER I/D 3
2.9 X10mm Self Tap. screw TCTCPRBZ
2.9 X8mm Self Tap. screw TCTCPRBZ
(Screw No.21 51 53004)
(Screw No.21 51 33006)
(Screw No.215134014)
(Screw No.2601 33003)
(Screw No.273990001)
(Screw No.2061 42910)
(Screw No.206142908)
(*) :Not available as replacement parts.
4

July, 1992 DJ-70
KEYBOARD PARTS LIST/afi/N- y'J
h
NO. PARTS NAME PARTS NUMBER
©22178226 KEY SPRING
©J2579123 NATURAL KEY C5 (DO)
J2579124 NATURAL KEY D6 (RE)
J2579125 NATURAL KEY E7 (Ml)
J2579126 NATURAL KEY FI (FA)
J2579127 NATURAL KEY G2 (SOL)
J2579128 NATURAL KEY A3 (LA)
J2579129 NATURAL KEY B4 (SI)
J2579130 NATURAL KEY C8 (DOfin)
©22578318 SHARP KEY
©******** 2.9X 8mm FIX SCREW TCTCPRBZ (SCREW NO.206142908)
®22185238 RUBBER CONTACT (12P)
22185239 RUBBER CONTACT (13P)
®7695207000 CONTACT PCB ASSY W/RUBBER CONTACT
©J2819102 PLASTIC CHASSIS (37 KEYS)
®J2599128 ADHESIVE RUBBER (8X2.5X525 mm)
@22158789 GUIDE BUSHING
12 PRUBBER CONTACT 12 PRUBBER CONTACT 13 PRUBBER CONTACT
ASSEMBLY OF RUBBER CONTACT
PARTS LIST FOR EXPLODED VIEW OF SCRATCH/
t.'?=
7v'y'j Xh
NO. PARTS NAME PARTS NUMBER
©SCRATCH WHEEL :K2328101
©IRON DISK :K1 188499 (*)
©2.9x8mm Self Tap. screw TCTCPRBZ .********
(Screw No.206142908)
©SCRATCH MOVEMENT GROUP :K2148102
®OPTICAL ENCODER HRPG/56R :J31 19102
®SCRATCH ENCODER ASSY :7695212000
(*) :Not available as replacement parts.
5