703B C VCF
703B C VCF
703B C VCF
1 1
8 7
2 2
R13
R11
15K
100K
B+
VCO1 K B+
100K A
22
7
VR1
R1 C1
2
-
7
FILTER MODE
R12
9 100K 10µ/16V IC1 6 2
LM741C -
56K IC2 HP S2
3 6
+ CA3140
3 VCO2 J 15 C16 3
3
+ BP
100K A
5
23 19 LP
VR2
1µ NP
5560 1/2W
4
5
R2
B-
R27
10p
10 100K B- 13
R15 OUTPUT
C2
10K C4
VCO3 H 100K A A VCF OUT
R19
47K
R14
10K
24 470p
VR3
R3 B+ C6
B+
100K
R22
560 1/2W
4 100K
4
11 470p
R26
7
B+
CA3080
7
RING / 2 B+
-
CA3140AT
NOISE F IC3* 6 2
-
7
3 + R21
CA3080
7
100K A
6 2
R17
100
25 IC4 -
VR4
6 2 CA3140AT
R4 3 10K IC5* -
5
+ 3 + 30
6
R16
100
12 100K IC6
R23
100
B- 3
5
+
10p
C5
R18
22K
IN
R24
22K
B-
5
B-
5 V/OCT TRIM 5
100K A
10p
C7
VR5
R5 B-
R36 VR12
13 100K
R28
15K 5K
68K
ADSR1 S1 B+
VR13b
VR13a
E
50KA
50KA
R29
26
100K B
5.6K 16
7
10µ/16V NP
VR6
R6
2
6 ADSR2 - 6
D 100K IC7
D1 dual gang pot
1 6
R31 R32
LM741C
C8
B+ 1S1555
27 3
+ D2 RESONANCE
1.5K 4.7K
270K
R35
R37
15K
LFO1 C
4
Q1 1S1555
100K B
2SC945
(equ. 1N4148)
28
R30
R33
VR7
47
1K
R7
B- Q2
B-
2 100K
2SA783
1.5K
R39
B+
270K
R38
7 7
B 17
100K B
VR11
29
50K
VR8
R8 R34
FREQ. TRIM
3 100K 1M B-
C10
10n
+BL
R39
13 C10
R49
10K
CV IN IC8 d 11
B- 330K 12 Q4
100K B
1µ R45
R50
1M
2SC945 RED
VR9
8 R9
10K
8
R47 D3
100K B+
4 B+ 2.2K +BL 20
10n
C9
R40 8
IC8 c 10
B+ 9
1M
Q5
R44
1M
B+ R42 5 R46
IC8 b 4
2SC945
14
50K B
6
CUT OFF
VR10
4.7M 10K
R10 Q3
FREQ R41 2 R43 C12
D7 D6 IC8 a
100n
3
C13
5 100K 1 4001
9 1N4003 1N4003 B- 100K 10K +BL 9
100n
R48
GREEN
1K
2SC945
100K
R51
C15 C14 D4
1µ 1µ 21
P S R
1 1
0 0
MULTIMODE VCF
MODULE 703B-C
ROLAND 700
1 REDRAWN : YUSYNTH.NET 2009 1
1 1
A B C D E F G H I J K L M N O