Roland SPD-20 Service Notes

右左右左
右 左右 左
15
Photo Coupler(IC17 on MB)
PC-410
(15289125)
Oscillator(X1 on MB)
SG-8002
(01453945)
+5V Voltage Regulator(IC27 on MB)
µPC78L05J
(15199231)
Transistor(Q9 to 22 on MB)
DTA114EK (15329507)
Transistor(Q1, 2, 28 on MB)
2SA1037KR
(15309101)
Transistor(Q37 on MB)
2SB1184R F5
(15309605)
Transistor(Q23 to 27, Q29 to 36
2SC2412KR
(15319101)
FET(Q4, 5 on MB)
2SK208Y
(15329105)
-5V Voltage Regulator(IC25 on MB)
µPC79L05J
(15199233)
Transistor(Q301,302,303 on PB)
DTC114EK (15329516)
Transistor(Q3, 6, 7, 8 on CB)
DTC343TK (15329514)
Q38 to 42 on MB)
q Anode
e Cathode
r GND
t V0
y VCC
q 0E
r GND
t OUT q OUT
w GND
e IN
q Emitter
w Base
e Collector
i VDD
µPC78L05J
q GND
w IN
e OUT
µPC79L05J
q Emitter
w Base
e Collector
q Emitter
w Base
e Collector
q Drain
w Source
e Gate
q Base
w Collector
e Emitter
PB Panel Board Assy (pcb 22935470 2/3)
MB Main Board Assy (pcb 22935470 1/3)
ytr
eq
it
rq
weq
qw
e
qw
e
qw
e
qw
e
qwe
IC DATA／ICデータ
SPD-20
Apr, 1998

Roland SPD-20 Specifications

General

Brand	Roland
Model	SPD-20
Category	Drums
Language	English