Roland groovebox MC-303 Service Notes page 17

MC-303 May. 1996
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&
1
i
20 21 22 23
24 25
26 27 28 29 30 31 32 33 34 36 36 37 38 33
4C
CIRCUIT
DIAGRAM/Bli&0(MAIN)
P
A
N
E
L
B
O
A
R
D
CQNTRQI
Bl JS
CN2
52147-1010
1
2
3
4
5
7
a
9
10
1
VRO
2 VR1
3 VR2
4 VR3
5 VR4
6 VR5
7 VR6
10
[
°f
MUX7 4
MUX6 2
MUX5 5
MUX4
1
MUX3 12
MUX2 15
MUX1 14
MMXQ 13
EXBA10E 22K
EXBMOE
22K
RA4
EXBA10E 22K
24
.
OOOMHZ
MAIN
BOARD
ASSY
70788589
(PWB
01013134)
17