ROLAND D 20

Page 1

June, 1988 D-EO

D-EO (SERVICE NOTES

First Edition

SPECIFICATIONS/{its
KEYBOARD .............................................. 61 key, 5 Octave, C Scale with Velocity
TUNE .................................................... MASTER TUNE iso cents
FINE TUNE iSO cents
PITCH MODULATION """""""""""""""""""""""""" LFO i117 cents
ENV $5000 cents
BENDER i2400 cents
ENV TIME PITCH T1 7 T4 4mS " 17s
TVF T1 7 T4 4ms * 225
TVA T1 - T4 4ms - 22$
LFO RATE 4ms ~ 17s
OUTPUT AUDIO +2dBm
PHONES +10dBm
POWER CONSUMPTION ..................................................................... 25W, 20W (Japan)
DIMENSIONS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1014(W) x 30110) x 106(H)mm/39~15/16 x 11-7/ " x 4-3/16"
WEIGHT .......................................... 10'1kg/22lb 4 OZ
LCD Cover
(22045142) >KButton single
LCD Dust Cover (22495559)
(22245466)
LCD Unit LM162BO4
(15029465) >KButton dual
Knob >KButton single (22475659)
(22485159) (22475658) >1 Escutcheon (22475668)
(22225329) XButton dual
Cover (22495567)
(22245171)
Pot. EWA-NAOX10B14 (VOLUME)
(13359355)
Pot. EWA-NFEX1OB14 (VALUE)

(13339467)

Front Panel
(22215829) 1

Side Panel R
(22215826)

XButton dual
- >KButton dual (22475657)
(22475659)

DD Panel

>K Button sin le
(22215827) 9

Bender Unit PB-A0101 (22475656)

(23275870) >KSwitch SKHHAK (13169679)

(SOA-123HS (13169684))

FDD Unit
(22405154)

@Roland Printed in Japan BA-2 (CR) 1

INTERNAL MEMORY
Synthesizer Section ........ ........................... Patches
Timbers
Preset Tones
Programmable Tones
Preset Rhythm Tones

" Setups

~' Preset Patterns
Programmable Patterns

Rhythm Section ~
Rhythm Pattern ttttttttttttttttt

Maximum number of notes to be

simultaneously recordable ..........................................................................................

Maximum number of notes

to be recorded (in each Rhythm Pattern) .....................................................................

Rhythm Track ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Maximum number of bars recordable
Sequencer Section ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Maximum number of notes recordable
Maximum number of bars recordable

MEMORY CARD (M-256D, M-256E) """"""""""""" Patches
Timbres
Tones
Rhythm Setup
Rhythm Patterns
Rhythm Track

128

128

128

64

63

85 types (C1 to C8)
32

32

8

95

500
approx. 16,000 notes
500

128

128

64

1 set

32

One song

ELOPPY DISK (Dunble Density Track) ~~~~~~~~~~ Memory Capacity approx. 35,000 notes (Song Data)
_Power Switch WK2A44 6A/250V _Socket MlDlS-NS (triplet)

[5(13149108) (13429168)

Card Slot _ Jack YKB21»5010

(22200188) _ (13449145)

/ /
E] 1' (i=2) ©©® 0 © © ©© ©
/
L \J/
[Rubber Foot RS-09
L (12359105) _Jack YKB21-5012

AC CORD (13449146)
(100v; 23495117)

(117v: 23495113)

(220v: 23495116)

(240v A: 23495114)

(240v E: 23495115)

DISASSEMBLING/fifli¥il§

,6
1. Remove screws @. @ /$
4 x 6 mm Binding Fe. EC 0
2. Remove screws .. /(

3 x 8 mm Tapping B1 Fe. BC

Page 2

D-EO

June, 1988
EXPLODED/fifil
2 x 6 mm
Truss Fe.BC
3 x 8 mm
, 4x5mm EB. Tight Fer Cm 3x8mm
Binding Fer BC 3 x 8 mm 3 P1 Tight Fe. Cm
B. Tight Fe. Cm 3 x 10 mm
3 a. 119m Fe, or: No. PART NAME PART No.
3 x 8 mm
3.11911: Fe. Cm 3 X 10 mm 1 Front panel 22215829
3 é) BMW F91 Cm 2 Side panel 22215826
3 Power Transformer Holder 22205146
3 x 8 mm
3 x 3 mm Pr Tight Fe. Cm 4 Power Switch A 13149108
B. Tight Fer Bc/\ «I 5 Cord Cover 22045144
. % ' ®>\/ 6 Coad Band A 12369410
./\ 3 x10 mm {59/ 7 Bortom Cover 22815618
é Binding Fer Cm \ I
E 3 X 3 mm ,. 8 Rubber Foot 12359105
Binding Fe. Cm /
Q 9 Grounding Real 23455316
3 x 3 mm? .\ Fuse Board
Binding Fe, (3m ' 10 100V 7619918100
/__® 117v 7619918200
220/240V 7619918400
3 x 8 mm 1 \
3 10
3 x 9mm 3' Tight ' » L x Nmm Power Transformer
8 Tight 3 Fe Cm / l ong ut 11 (universal) A: 22455511U0
Fe. Cm ' K
. " 3 x 13 mm
3 X 10 mm 3:13? 3 Long Nut Power Supply Board
8 I» 3x10mm/ 12 100V 7619915100
Long Nut 117V 7619915200
/ 220/240V 7619915400
_ 3 X 6 "m E / , 3. ,° W" 13 LCD Cover 22045142
Tapplng 81 Fe. Cm ./ & Bindlng Fer Cm
.l g 3 x 9 mm B. Tight % 14 Volume Escutcheon 22225329
. é . 6- BC 15 Volume Cover 22245171
I 3x8mmBiTIghtm 3 8
\ Fe. BC PxTi :1"; C 16 LCD Holder 22205161
~ 9 e. m
17 Panel Board 7619911000
18 LCD Dust Cover 22245466
19 LCD Unit 15029465
20 CPU Board 7619908000
21 FDD Uni 22405154
3 x 8 mm
B. Tighr Fer Cm 22 FDD Holder 22205165
23 Danper 22265242
24 Collar 22165134
25 Bender Unit 23275870
26 FDD Panel 22215827
27 Main Board 7619905000
28 Card Slot Holder 22200188
117V only 29 Jack Holder 22205162
30 Keyboard 7619720000
31 Power Barrier 22125264