Roland MC-50 - Page 3

Jun, 1990
PARTS
LIST
SAFETYPRECAUTIONS:
The parts marked
A
have
safety-related characteristics.
Use only listed parts for
replacement.
mi^c$M^T'0<>5ntch(DV
UTT$C^o
CONSIDERATIONS
ON
PARTS ORDERING
When
ordering any
parts listed in the
parts list,
please specify
the following items
in the order sheet.
QTY PART
NUMBER
DESCRIPTION
MODEL
NUMBER
Ex.
10
22575241
Sharp Key
C-20150
15
2247017300
Knob
(orange)
DAC-15D
Failure
to
completely fill the abo
ve items
with correct
numberand
description will result in
delayed or
even
undelivered
replacement.
I
yt—
I
^J)
10
22575241
Sharp
Key C-20/50
15
2247017300
Knob (orange)
DAC-15D
^.uieAjsn,
Aii^cfsn^i^Biz^cfys-ro
CASING
^-7.
22015981 Top Case
201-981
22815750 Chassis
281-750
22045247
Display Cover
204-247
22025792 LED Cover
202-792
12359137
Rubber Foot SJ-5012
CHASSIS
> +
-
22205474 FDD Holder
220-474
22205127 Jack Holder
220-127
KNOB, BUTTON •OS*,
22485106 Knob
(black)
a
-DIAL
22495242
Keytop-SM (black)
22495180
Keytop-M
(black)
12499175
Button POWER
SWITCH 7
4
"7^
13129369 SPUN19F
POWER
13169711
SKPDAA on PB
JACK, SOCKET
13429642 M-S2-3P
MIDI
Socket MIDI/IN, THRU, OUT1, OUT2
13449625
YKC21-0219
Pin
Jack
TAPE SYNC n/IN, OUT
13449146 YKB21-5012 Jack EXT CONTROL/START/STOP,
PUNCH IN/OUT
13449253 YKB21-5018 Jack METRONOME/OUTPUT
13449720 HEC-2305-01-250
Jack (for AC Adaptor) DC IN 9V
DISPLAY UNIT
y h
15029494
EA-D20225PX-1 (including PCB, 1C,
Connector
and
wirings)
(»>K,
IC, n
'i
^
y
NOTE:
Replacement should be made on a
unit
bassis.
No replacements available for individual parts.
(i
jL
-
.y
h
;(xi
-to
DISK
DRIVE UNIT
7-’ d
7.'?
• •
Pi-
y K
12409132
JU-253A3M, 3.5inch micro floppy disk
NOTE: Replacement should be made
on
a
unit
bassis.
No
replacements available for individual parts.
y±
:
zL:z.y
b^fi-etfo-CT^v'c
SPEAKER,
BUZZER
15299137
PKM22EPT-2001 piezo electric
buzzer
BZ1 on MB
PCB
ASSY
mi&UiL
7961105000
MAIN BOARD (pcb 2292589900
1/3)
NOTE:
Replacement PCB includes the
following PCB.
v±
:
PANEL BOARD (pcb 2292589900 2/3)
ENCODER BOARD (pcb 2292589900
3/3)
IC
15279303
HD64180R1F6 (Flat)
15239158 MN53015
15229889
M60014-0123FP, R11-0007
15209267
LH534H
15219158
WD1
772-02
1517938600
MSM514256-12
15169539
TC74HC139P
151 6951 2D0
B074HCU04
15159505
TC40H004P
15169334H0
HD74LS05P
15169514
TC74HC04P
15189202
M5239L
15219183
M51953AL
15229706S0
PC910
15199222
UPC2405HF
TRANSISTOR
15119135
2SA1115-E
15129156
2SC2603-E
DIODE -K
15019125 1SS-133
15019281
1SR35-100A
15029337
LN02102C13
15029338
LT1T21A
15029339
LT1H21A
15029340
LT1E21A
THERMISTOR
15229908
SDT-1000
RESISTOR
gfeiS
13829174
CRH100FH11J
13910113
RGLD4x103J10kx4
13919308M0
RGLD6x 103J
10kx6
13919140
RGLD8x103J10kx8
POTENTIOMETER
13279988
RK09K12A-10KB x 2
CAPACITOR
1
36391 56M0
ECEA1CU332
13639550MO
ECEA1CK101B
13639602MO
ECEA1HK010B
13639549
ECEA1CU470B
13519452
DD306-959-F104Z25
13549251 MO
ECQ-M1H471JF3
13549267M0
ECQ-M1H103JF3
13549322M0
ECQ-M1H273KF3
13549323M0
ECQ-M1H333KF3
1
3549325M0 ECQ-M
1 H473KF3
INDUCTOR,
COIL, FILTER
^>^'7^-,
12449357
PLT1R53C
12449294
BL03RN2-R62T2
13529187
ELKTR391CA
CRYSTAL, RESONATOR
15299136
CA-301
10MHz
12389784 CA-301
8MHz
ENCODER
1 3279989
EC16B40B