Page 1
Page 2
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
Page 3
H:\CP31\101959-2.SCH 20-Apr-1999
GND GND
RJ RH
Mukilteo WA 98275-5098
2 3
of
ACTION:
CHECKED BY:DRAWN BY:
10802 47th Avenue West
SHEET:
CP 31 MAIN
101959
6 7
11 10
GND
PAGE B
.4
.4
.6
-15
W4
W3
W37
GND
GND
4574
GND
4
4580
13
S6
100
Z6D
Z6C
Z5D
3
8
9
12
14
20K
PREPOST
GND
10K
Z10A
1
R4
DG212
DG212
R80
1 3
CW
R37
2
8
0.1
GND
0.1
10KA
-15
4
R109A
2
20K
+15
C22
10K
3
Z8A
C20
.4
22/25
R87
47pF
47pFR38
GND
GND
.4
GND
1 3
R126A
10KA
2
GND
TL072
2
+15
8
TL072
1
W35
C11
A
GND
R86
20K
C44
METER B
C45
EURO 5-STA
20K
330pF
C51
4574
W49
S4B
5
Z8B
20K
20K
R85
20K
R98
1K
6
Z5B
7
456
6
47pF
7
R78
R79
20K
6
Z10B
100
GND
22/25
R20
GND
5
PROGRAM
INPUT
RIGHT
W2
.4
R106
60.4K
C42
ZONE LEVEL
R84
5
4580
7
-15
R3
2
A B
GND
3
2
C16
R99
20K
22/25
30.1K
R125A
100KA
2
4
4580
100
PHONO 1-STA
1
C14
DEPTH B
R104
1 3
150K
2
CW
3
.4
.4
10K
3
2
Z9A
0.1
1
R6
415
J6
DUCKER
R102
PAGE A
.4
.4
W13
W12
R39
8
Program Input Right
STEREO
MONO
R44
10K
W46
.4
DUCK ZB
ON
GND
5
W5
GND
W11
GND
R91
20K
47pF
+15
C23
10K
J2A
Output
DG212
S9
47pFR40
Zone
1P2T
S7
4574
GND
1
Z6A
20K
.4
PREPOST
C46
9
Z5C
10K
OFF
R83
W1
GND
GND
20K
C47
10
8
R35
12
GND
-15
0.1
10KA
4 6
20K
R90
METER A
10K
W47
.4
GND
MONO PGM.
DUCKER B
+5
3
Z7A
4
C21
1
.6
22/25
R109B
5
20K
R89
5
6
Z9B
7
R5
100
R43
1 3
10KA
GND
2
8
W38
C12
B
R88
4580
CWCW
R108A
2
TL072
+15
TL072
GND
GND
GND
-15
5
20K
20K
0.1
123
22/25
30.1K
Z7B
7
R81
R82
4580
100
6
47pF
5
Z11B
20K
330pF
C50
2
C25
2P2T
S4A
.4
LEFT
C13
R105
10K
6
7
R8
GND
R96
R19
1K
GND
3
Z5A
411
4574
1
W48
PROGRAM
INPUT
DEPTH A
R51A
100KA
R107
60.4K
C43
15
R95
20K
GND
47pF
R41
R42
10K
3
EURO 3-STA
-
2
C15
22/25
R97
20K
+15
DUCKER
1 3
150K
2
CW
C48
47pF
2
PHONO 1-STA
1
.4
R103
-15
14
MONO PGM.
GND
GND
-15
R94
20K
C49
1
+
DUCK ZA
J4
Program Input Left
J5
GND
W36
1P2T
10K
S5
ON
OFF
16
13
Z6B
4
DG212
(R)
(L)
S8
CWCW
1 3
R124A
10KA
20K
2
R93
4580
2
100
20K
Z11A
1
R7
Level
R92
3
84
0.1
Expand Out
R36
DUCKER A
+15
PAGE EXP.
Expand
+15
C24
+
-
B
+
-
A
Page 4
H:\CP31\101959-3.SCH 2-Jun-1998
-15 -15
W15
.4
.4
W44
W43
.4
GND GND
RJ RH
ADDED 3 OF 3T BEAD AND 0.01CAPS,
NEW DOC# FJ 5MAY98
ACTION:
.6
.4
.4
100/50
C54
.4
W45
.4
W42
.4
W51
1N4004
+
D11
.4
W19
.4
W20
.4
W41
0.01
1N4004
D12
W18
W9
W40
C63
.4
.6
.6
3T
1N4004
D9
W6.4W7.4W8.4W21.6W22
W17
W23
.6
W24
.6
W25
W39
.4
W16
.4
W10.4W26.6W27
W30
.4
W14
Power
CTCTAC
AC
6P MOD
12345
L3
3T
1000/25
1N4004
D6
D5
1N4004
+
+
C55
1000/35
L5
1000/25
1N4004
0.01
C53
+
D7
1000/35
6
C64
1N4004
C56
J12
+
.6
0.01
C59
C52
D8
.6
.6
.6
W29
3T
1N4004
L4
D10
W28
+15 +15
+5 +5
6.04k
GND
R122
R117
11.3K
LM339
R
V3
8
Z12C
14
1K
+16dBu
R22
9
11.3K
D18
R55
LM339
Y
V2
4
Z13B
750
+4dBu
2
R114
5
GND
D16
GND
GND
R116
3.01K
40.2K
C40
0.1
C33
1/50
LM339
G
R118
V1
8
Z13C
1K
-10dBu
1/50
20K
6
Z12A
1
9
14
R21
D14
METER A METER B
C34
R100
R119
40.2K
7
312
LM339
R65
402K
R70
33.2K
+5
+15
ZONE PEAK dBu A
C30
750
R112
0.1
0.1
C31
10/16
CHECKED BY:DRAWN BY:
10802 47th Avenue West
Mukilteo WA 98275-5098
GND
Y
SHEET:
3 3
CP 31 PWR / METER
of
Power
101959
LB3
LBKT-TO-GND
GND
2
+
C60
D13
GND
GND
I O
13
+5
Q2
78L05
-15
LB2
LBKT-TO-GND
GND
C27
0.1
5 6
10B
4
337
R48
243
C29
0.1
10/16
LB1
LBKT-TO-GND
+
C62
10/16
C57
R111
2.67K
GND
+
2KRD
R45B
5
GND
10/16
2.67K
46
0.1
C58
+
R110
0.1
10/16
C26
C28
C61
1
243
+
317
R47
R45C
2KRD
R123C
100KA
R124C
10KA
10A
+15
C36
3 2
1/50
20K
R101
GND
R120
40.2K
4
Z12B
5
R121
40.2K
+15
LM339
2
LM339
R
V3
10
Z12D
13
1K
+16dBu
R24
11
D19
GND
0.1
LM339
C41
Y
V2
6
Z13A
750
+4dBu
1
R115
7
312
D17
GND
1/50
LM339
+15
C35
1K
G
V1
10
Z13D
13
-10dBu
R23
11
D15
402K
+5
R66
ZONE PEAK dBu B
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