Roland KC-600 - Circuit Diagram (Pre Board: 3;4)

32
Jan. 2018 KC-600
Circuit Diagram (Pre Board: 3/4)
fig.d-pre-3-KC-600.eps@L
-15
A
+15
A
MAIN_R
A
-15
+15
F
F
+15
-15
A
F
F
A
F
F
A
F
F
A
+15
-15
A
A
A
A
F
+15
50V
0.022uF
C254
50V
0.12uF
C250
SPUP128100
PSW1
21
2322
220
R312
820
R315
820
R316
1.8k
R307
3.9k
R364
3.9k
R323
3.9k
R324
3.9k
R308
6.8k
R209
8.2k
R344
39k
R320
47k
R230
47k
R226
47k
R343
68k
R319
IC10
NJM4580L
3
1
2
IC11
NJM4580L
3
1
2
IC10
NJM4580L
5
7
6
NJM4580L
IC11
4
VEE
8
VDD
NJM4580L
IC10
4
VEE
8
VDD
C151
10uF
50V
C149
10uF
50V
C148
10uF
50V
50V
8200pF
C251
50V
0.082uF
C247
2SC5395-T112-F
Q34
3
12
2SC5395-T112-F
Q33
3
12
50V
220pF
C145
50V
47pF
C143
50V
0.1uF
C214
50V
0.1uF
C305
50V
0.1uF
C221
50V
0.1uF
C215
50V
0.1uF
C220
50V
1000pF
C245
FS9FS10
FS11
FS12
100k
R20
50V
0.47uF
C246
RK11K1120091
VR6
10
RK11K1120091
VR7
10
RK11K1120091
VR8
10
RK11K1120091
VR8
20
RK11K1120091
VR7
20
RK11K1120091
VR6
20
RK11K1120091 VR6
1
4
3
2
RK11K1120091 VR8
1
4
3
2
RK11K1120091 VR7
1
4
3
2
RK11K1120AA4
VR9
1
4
3
2
RK11K1120AA4
VR9
10
RK11K1120AA4
VR9
20
LOW MIDDLE HIGH
VOLUME
SHAPE ON
SHAPE OFF