Roland Dr. Sample SP-303 - Circuit Diagram(Analog)

30
Mar.2001 SP-303
CIRCUIT DIAGRAM(ANALOG)
fig.analog
LINE IN
L
R
MIC IN
DA
VOLUME
fc=20.xxxkHz
Q=0.99
G=8.57
MIC VOLUME
TO SW BOARD
CN15
C-VDD
A
A
A
+
A
+
++
++
+
+
A
A
A
A
A
A
+
5A
A
A
4.5v(M)
A
+
A
A
A
JK7
LGR4609-7000
1
2
3
4
JK8A
YKC21-3049
12
11
22
21
C173
0.1
R128
150
R125
1K
R129
22k
C154
22/16
R124 1M
R126
1k
R137
47K
C159
22/16
R131 47k
R135
47k
C171
22/16
R145
47K
+
-
IC2B
UPC4570G
6
5
7
R139 47k
R143
47k
+
-
IC3A
BA15218F
2
3
1
R133
3.9k
R136
10k
R140 3.9k
+
-
IC3B
BA15218F
6
5
7
R132
10K
C
C175
0.1
+
-
IC4B
UPC4570G
6
5
7
C184
100p
R150
33k
R156
15k
R155
12k
C190
0.0012
C187
10/16
+
-
IC4A
UPC4570G
2
3
1
C203
100p
R170
33k
R176
15k
R175
12k
C207
0.0012
C205
10/16
C189
22/16
C204
22/16
C152
0.01
R123
10k
C185
1/50
+
-
IC5A
M5216FP
2
3
1
C194
10/16
R157
100k
R162
10k
+
-
IC5B
M5216FP
6
5
7
R149 22k
C199
1/50
R148
10k
C181
150p
R163 22k
C196
150p
C180
10/16
R172
100k
R151
1k
R166
1k
Q15
DTC314TK
1
2 3
C197
100/16
+
-
IC1B
UPC4570G
6
5
7
R182
10K
CN12
RIBON CABLE 5P
1
1
2
2
3
3
4
4
5
5
R207
4.7k
R208
4.7k
C225
10/16
VR6A
250kRD
1
2
3
C224
1/50
C182
100/16
R161
100
R177
100
C242
22/16
C243
22/16
C246 10p
C248 10p
L8
N2012Z601T02
DA1
MA147-(TX)
21
3
DA3
MA147-(TX)
21
3
DA2
MA147-(TX)
21
3
C167
100/6.3
L28
N2012Z601T02
L29
N2012Z601T02
C
2
0.1
L51
N2012Z601T02
L52
N2012Z601T02
L53
N2012Z601T02
C244
22/16
+
-
IC2A
UPC4570G
2
3
1
C247 10p
R144
10k
C308
0.22/50
C160
100/6.3
C155
0.1
Q17
DTC314T
K
1
2 3
R249
1k
R248
1k