ROLAND MKS 20

Page 1

JUN. 1986 MK§G2U

MK§E§© SERVICE NOTES

SPECIFICATIONS First Edition

OUTPUT
Level Selector ............. H: OdB : M: -10dB; L: -20dB (Unbalance only)
Impedance ............... Unbalance: 1K9; Balanced: 1009
TUNABLE RANGE ............ 438-466Hz @A above middle C
NOTE
16 .................... PIAN01,P|AN02,PIAN03,
VIBRAPHONE, E. PIANO1
10 ............ . .HARPSICHORD,CLAVI, E. PIAN02
POWER CONSUMPTION . . . .30W
DIMENSIONS ............... 480 (W) x 400 (D) x 90 (H) mm
19 (W) x 15-3/4 (D) x 3-9/10 (H) in.
Mountable on 19" standard rack
WEIGHT ................... 8 kg, 17 lb. 10 DZ.
F *Button Unit A LED green -
(22475950) GL-QPG12
- Pot. HK12K1130 Memory Cartridge Holder Assy (15029149)
10KB (7935918000)
(13279789) See illustration below.
- Display Window
Rotary Encoder-
(22025728) EC24B3OB
LCD Unit (13279790)
LU D9A321 1 A Knob black
Front Panel
(15029431) (22485106) (22215493)
Indicator Window
(22025279)
LED red LD201VR
(15029194)
=2 - i
IE .Rolar d a an: . PIANO - MKng 3633
0 con nut a. _
. l E :1; «mm-w mm m .sm
«m 2:? L lIl
m}- .. Q)
*E- mm.
was: * D D :1 :1 DIAS!IEVII PW)
@ __ ' l SEEM ,
2', a. 3 . ... mm CL... Sili3mm
Switch
- Button Unit E " Button Unit B SDDGSO78A
(22475954) (22475951) (13129124)
- *Button Unit D *Button Unit 6 Button black
(22475953) (22475952) (22470240)
- Pot. RS30112AC
IODKA x 2 * Button Units do not include the following
(13339460) Switch ..... .SKELAK0001 (13129362)
Knob black LED ..... . .GL-9HD12 rod (15029152)
(22485105)
-Jack (stereo)
HLJ0540-01-010
(13449144)

Cartridge Shell
(23425303)

MEMORY CARTRIDGE HOLDER ASSY

Includes shell, connectors, flat cable and PCB.
Replacement of individual component within the
holder is not available-should be replaced by a
unit.

fifigflufifiifi:®fié?fitfié flido Socket

lazllamwlm Wm r. PCB. 75») (Ir-74?» (23425165)
(meant bffivi)?}1hh§dm
@Roland Printed in Japan 83-2 1

Top Panel
(22025244)

Rear Panel
(22215494)

mm out-u)

m.) (N 519110 ism

Switch

§§§

1
.

Sig???) L ------ Rubber Foot 33512.12

100/117/220v (22355334) ) (13159343) )

(13429710) Jack (mono) XLR Socket (male)

PA125 (3P) Socket v1<321 -5o12 XLR-3-32

240v _ MID.2_NS (13449146) (13429645)

(13429709) (13429628)

Angle Bracket
(22125521)
DISASSEMBLING PROCEDURE
1. Top Panel
Remove screws ®and ®
2. Bottom Panel
Remove screws ® , ® and ©

Heat Sink
(22465486)

3 x8mm FLAT (3)

® 4 x 8 mm Binding BLK
(3 each)

(2) 4 x 12 mm
OVAL BLK (4 each)

é

(5)3 x 8 mm Tapoing l
Bl FLAT BLK (3) l
)

Side Holder
(22195825)

(gag-+1

7 an.» 244*_

Front Holder

)
i
l
i
I
(
( (22195324)

Bottom Panel

(33 x 6 mm Tapping Binding (5) éfifi ® 4 x 5 mm Binding BLK (2 each) (22025298)