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Roland MC-50 Service Notes
Roland MC-50 Service Notes

Roland MC-50 Service Notes

Micro composer
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Jun,
1990
MC-50
ISERVICE NOTESI
MICRO
COMPOSER
First
Edition
SPECIFICATIONS/tirfU
Disk Drive
-r
't
7^0
if
Memory
Capacity
ISISSS
'
'
Dispiay
MIDi
START/STOP
PUNCH
iN/OUT
METRONOME
OUTPUT
TAPE
SYNC
iN
Power Consumption
Dimensions
(including projections)
Weight
fiS
3.5inch
2DD
Micro Floppy
Disk
Accesories
(RAM)
256Kbytes
(Disk)
720Kbytes
2line,
20character
(with backlight)
IN,
THRU, OUT1,
OUT2
OFF-OV,
ON-5V
OFF-OV,
ON-5V
VR max
0.8Vp_p/1.2KQ
Level
—20
to
OdBv
(0dBv=0.775Vrms)
Impedance
59KQ
Options
Level
0.7Vp_p
(-10±3dBv, @50KQIoaded)
Impedance
820
Q
800mA/9V
280(W)X271(D)X47(H)mm
11"X
10-5/8"
X1-7/8"inch
1.8kg/4lb.
•••
MF-2DD
(Part
No.
22405126)
MIDI
CableX2
(Part
No.
23485228)
AAC
Adaptor
ACM
00
(Part
No. 12449603)
ACM
20
(Part
No.
12449604)
ACI-220
(Part
No.
12449605)
ACB-240E
(Part
No. 12449564)
ACB-240A
(Part
No. 12449549)
Owner's Manual
Set
Japanese
(Part
No.
26045109)
English
(Part
No.
26045110)
•••
Pedal
Switch DP-2
Software
MRD-500
MRB-500
MRP-500
SUPER-MRC
Top
Case
-
(22015981)
Display
Cover
(22045247)
LCD
Unit
EA-D20225PX-1
(15029494)
LED
Cover
(22025792)
X
15pcs
Keytop-SM
(black)
(22495242)
X
29pcs
Keytop-M
(black)
(22495180)
X
8pcs
Knob a
-DIAL
(22485106)
Rotary
Encoder
EC16B40B
(13279989)
Disk Drive Unit
JU-253A3M
(12409132)
[^Roland
Printed
in
Japan BA-2
(CR)
TABLE
OF CONTENTS
SPECIFICATIONS
EXPLODED VIEW
PARTS
LIST
BLOCK DIAGRAM
1C
DATA
TEST
PROGRAM
CHANGE
INFORMATION
IDENTIFYING
VERSION
NUMBER
MAIN
BOARD
PANEL
BOARD
ENCODER BOARD
Page
i±m
1
'mm
2
/\°-'yUXh
3
z^'nyCfm
4
ICx-^
5
6—8
9
/'V—
V
3
9
10
K
10
x>zi
-
K
10
CIRCUIT
DIAGRAM
11
(MAIN
BOARD, PANEL BOARD,
ENCODER
BOARD)
(X
K,
K,
X>=l-^'--/f-
K)
Jack
MIDI Socket
Jack
Pin
Jack
HEC-2305-01-250
M-S2-3P
YKB21-5018
YKC21-0219
(dual)
Button
Jack
Chassis
(22815750)
(12499175)
YKB21-5012
(13449146)
X
2pcs
Copyright
©
1990
by
ROLAND CORPORATION

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