Rane CP-31 Schematic
H:\CP31\101959-1.SCH 2-Jun-1998
GND
RJ RH
PRGMINPT
101959-2.SCH
DG212
11 10
GND GND
ACTION:
PWR-MET
101959-3.SCH
9
Z3C
9
8
Z2C
LM339
14
GND
GND
GND
1/50
C32
R62
100K
5.11K
TL074
Paging OLR54
1N4148
W33
.4
R32
10K
9
10K
R
D2
Z4C
-15
8
R31
D4
2
C37
330pF
LINE
MIC
GND
R12
R45A
13
2
(10 to 40 dB)
Paging Trim
2
Z1A
C19
51.1
1
511
R13
3
+
R11
411
1
2P2T
100/50
2.21K
GND
J1
S1A
C1
+
R15
+15
GND
Input
123
9
4574
1K
10K
1N4148
Paging
BEAD 3T
L1
R9
14K
100
R1
10
Z1C
8
R16
R25
5.11K
D1
R53
-
3
1 2
BEAD 3T
L2
C17
0.1
GND
120Hz 7kHz
R71
13.3K
15K
R69
GND
C18
.0015
5
-15
R30
10K
10
6
Z1B
4574
7
22/25
C7
R72
20K
22/25
GND
C8
20K
GND
R74
IN (R) OUT (L)
High/Low
Cut Filter
S3
GND
R73
20K
C9
22/25
R77
20K
14K
100
4574
1K
12
456
R10
R2
Z1D
14
10K
R17
13
S1B
CW
2.21K
R26
511
2KRD
R14
4574
-15
0.1
GND
W50
.4
Detect
10
Z2D
LM339
CHECKED BY:DRAWN BY:
10802 47th Avenue West
Mukilteo WA 98275-5098
SHEET:
1 3
CP 31 PAGE INPUT
of
101959
GND
-15
0.1
22/25
3
Z4A
TL074
C39
13
C5
2
411
1
Page B
11
100K
+15
10K
R127A
10KA
CW
R60
Level B
GND
GND
3 2
R28
1 3
2
Paging
678
100K
5
DG212
470pF
R34
R52
5.11K
R57
1.33K
R63
10
S2B
9
CW
Assign
Paging
123
5
S2A
4
GND
GND
R33
Z3A
100K
DUCK ZB
-15
4
DG212
16
Z3B
1
12
+5
14 15
DUCK ZA
13
+15
Z3D
DG212
6 7
GND
8
GND GND
10K
R29
20K
R75
W31
.4
GND
C10
C6
22/25
GND
12
13
C3
Z4D
TL074
100K
R61
R68A
10KA
CW
1 3
C4
470pF
2
14
Paging
Level A
R76
20K
TL074
22/25
5
6
Z4B
7
W32
.4
Page Exp.
GND
G
Active
D3
Page A
1K
GND
R18
0.1
100K
100KA
1 3
W34
.4
C38
3.3/16
C2
R56
LM339
1.5K
R67
R123A
CW
2
LM339
243
+
5
Z2B
Detect
100K
+15
9.09K
R50
7
6
Z2A
312
Detect Threshold
+15
Paging
1
R46
+5
R64
402K
R58
100K
4
R59
100K
R27
2
1K
2
31
Q10
2N2222
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