ROLAND D 50

Page 1

MAY , 1987 .350

Knob
(22485129)

Slide Potentiometer Cover
(22245162)

Pot. EWA-NAOX1014
(13359355)

First Edition

..50 (SERVICE NOTES

SPECIFICATIONS
KEYBOARD .............. 61 key, 5 octave, C scale with Velocity and Aftertouch
TUNE ................... MASTER TUNE :50 cents
FINE TUNE :50 cents
PITCH MODULATION ....... LFO 1600 cents
ENV 12400 cents
BENDER $2400 cents
AFTERTOUCH 12400 cents
ENV TIME ................ PITCH T1 - T4 9ms - 93
TVF T1 -T5 4ms-80s
TVA T1 - T5 4ms - 80$
LFO .................... RATE 0.0004 - 27Hz
DELAY TIME 0-103
CHORUS LFO ............. RATE / 0.098 - 20Hz
OUTPUT ................. AUDIO -4.0dBm
PHONES 8 - 1509 Stereo
POWER CONSUMPTION ..................... 22W, 15W (Japan)
DIMENSIONS ............. 974(W) x332(D) x 94(H) mm
38-3/8x13-1/6"x 3-11/16"
WEIGHT ................. 10.5 kg/23 lb 2 oz
ACCESSORY .............. MEMORY CARD (ROM) PN-D50-00
(12379401)
LED Cover LCD Cover
(22025794) (22045108) Button fours
LED SLR-55VC3F RED LCD Dust Cover (22485667)
(15029222) (22245463) Switch SKHHAD339A
Knob LCD Unit LM402802 (13169633)
(22485130) (15029451)

Joystick Escutcheon
(22225333)

Joystick UBJXB-20K3x2

(13279823)

Button dual
(22475668)
Switch SKHHADO39A
(13169633)
Button single
(22475669)
. Switch SKHHADO39A
Button smgle (13169633)
(22475656)
LED SLR-55VC3F RED
(15029222)
Bender Unit PB-18 Switch SKHHADOSQA
(23275824) (13169633)

@Roland (2nd printing OCT. 88 8-2) Printed in Japan BC-2 CR 1

-- Power Switch WK2A44 6A/250V
(13149106)

_ AC Inlet

100/117/220v PA.126 2P Jagfigffé, 5010
(13429710)
240v PA-125 3P
(13421709)

comm

PE-ou mm
mm A new

Rubber Foot G-7W Socket MIDI3-NS Jack YKBZ1-5012
(12359105) (13429168) (13449146)

DISASSEMBLING/fififlfi

®

4 x 6 mm Binding Fa. BC

1. Remove screws ®

2. Remove screws

.0 3 x 8 mm Tapplng 31 Fe. BC

Page 2

0-50 MAY, 1987

, Unless otherwise noted: qutzieaeeexoews women-92
EH
EXPLODED VIEW/53m. All screws holding metal parts are 3 x 8 mm ~J\°$M>d<)lx&-%0)fil§l:lt&>§axial:
tapping Bi Fe Cm. $T3X8mrn Tapping 81 Fe Cm
All screws holding plastics (side panels, bender waumwya- WI/$037527 2:

panel, etc.) are 3 x 8 mm P. Tight Fe Cm. Jtzsbélixiélatgcsxamm P~TIGHT Fe Cm

3x10mm Tapplng 31 Fe. Cm

3 x 8 mm Binding

No. PART NAME PART No.
1 Lower Side Panel R 21125282
2 Side Panel R 22215783
3 Side Holder Fl 22195956
4 Front Panel 22215546
5 Transformer Holder 22195950
6 Power Transformer 22455480U0

universal
7 Bottom Case 22815588
8 Poxzrfiufgw/Board Assy 32:33:21
220/ 240V
9 Panel Board Assy 76180120

10 LCD Holder 22195952
11 LCD Unit(LM4OZBO2) 15029451
12 Joystick Holder 22195953
13 Joystick Board Assy 76180140
14 Card Slot Holder 22195925
15 Card Holder 22195954
16 Memory Card Board Assy 76180130
17 Lower Side Panel L 21125281
18 Side Holder L 22195955
19 Bender Board Assy 76180110
20 Bender Unit PB-18 23275824
21 Bender Panel 22215784
22 Joystick Escutcheon 22225333
23 Jack Board Assy 76180100
24 Keyboard SK-861-PW 76180200
25 Main Board Assy 76180090
26 Dyna scan Board Assy 76180161