Roland KC-600 - Circuit Diagram (Pre Board: 2;4)

30
Jan. 2018 KC-600
Circuit Diagram (Pre Board: 2/4)
fig.d-pre-2-KC-600.eps@L
CH4R
CH4L
L_OUT_LSEL
MAIN_LSEL
CH4_L
MAIN_RSEL
A
F
A
-15
F
CH4_R
A
A
A
L_OUT_RSEL
+15
-15
+15
A
A
A
AUX_IN_R
AUX_IN_L
330
R211
330
R346
2.7k
R210
2.7k
R212
6.8k
R145
6.8k
R135
8.2k
R148
8.2k
R137
8.2k
R150
8.2k
R143
8.2k
R139
8.2k
R146
22k
R89
10k
R90
10k
R84
10k
R79
10k
R75
10k
R70
10k
R92
22k
R74
47k
R151
47k
R140
47k
R149
47k
R144
IC5
NJM4580L
3
1
2
IC5
NJM4580L
5
7
6
IC6
NJM4580L
5
7
6
IC6
NJM4580L
3
1
2
NJM4580L
IC6
4
VEE
8
VDD
NJM4580L
IC5
4
VEE
8
VDD
C40
10uF
50V
C49
10uF
50V
C301
220uF
35V
C302
220uF
35V
C94
47uF
16V
C98
47uF
16V
C93
47uF
16V
C97
47uF
16V
2SK2881-T112-E
Q18
2
13
2SK2881-T112-E
Q20
2
13
2SK2881-T112-E
Q21
2
13
2SK2881-T112-E
Q19
2
13
50V
22pF
C45
50V
22pF
C37
50V
0.1uF
C203
50V
0.1uF
C204
50V
0.1uF
C210
50V
0.1uF
C209
2.2M
R147
2.2M
R138
50V
22pF
C96
50V
22pF
C91
FS8
100k
R85
100k
R72
VR4
RK14K1220A4P
2123
22
RK14K1220A4P
VR4
11
14
13
12
RK14K1220A4P
VR4
10
RK14K1220A4P
VR4
20
JW 5mm
JW 5mm