CHECKED BY:
DRAWN BY:
SHEET:
10802 47th Avenue West
Mukilteo WA 98275-5098
RJ
RH
1
3
CP 31 PAGE INPUT
101959
H:\CP31\101959-1.SCH
2-Jun-1998
of
ACTION:
R1
100
12
13
14
Z1D
4574
5
6
7
Z1B
4574
R9
14K
R2
100
R10
14K
R11
511
R12
511
GND
+
C1
100/50
R13
51.1
R14
2.21K
R15
2.21K
R16
1K
R17
1K
R25
10K
R26
10K
GND
(10 to 40 dB)
Paging Trim
1
2
3
S1A
2P2T
4
5
6
S1B
2
1
3
R45A
2KRD
CW
R18
1K
R46
243
R50
9.09K
2
1
3
R123A
100KA
GND
R52
5.11K
R53
5.11K
R56
100K
R63
1.33K
R57
100K
D1
1N4148
GND
GND
GND
+
C2
3.3/16
R64
402K
R58
100K
R59
100K
R27
1K
R67
1.5K
2
3
1
Q10
2N2222
D3
G
GND
+5
Active
Detect Threshold
+15
5
4
2
Z2B
LM339
7
6
1
3
12
Z2A
LM339
CW
R28
10K
GND
R60
100K
C3
470pF
C5
22/25
14
15
16
13
4
Z3B
DG212
+15
-15
CW
R29
10K
GND
R61
100K
C4
470pF
C6
22/25
Paging
3
2
1
12
5
Z3A
DG212
+5
CW
C17
0.1
R69
15K
R71
13.3K
GND
C18
.0015
GND
C7
22/25
R72
20K
GND
120Hz
7kHz
S3
IN (R)
OUT (L)
Cut Filter
C8
22/25
R73
20K
GND
C9
22/25
R74
20K
GND
High/Low
-15
+15
C19
0.1
R75
20K
R76
20K
C10
22/25
6
7
8
Z3D
DG212
R30
10K
R31
10K
D4
R
-15
Paging OL
R54
5.11K
GND
R62
100K
GND
C32
1/50
GND
R32
10K
D2
1N4148
-15
1
2
3
4
5
S2A
6
7
8
9
10
S2B
Detect
Detect
L1
BEAD 3T
1
2
L2
BEAD 3T
C37
330pF
1
2
3
J1
Page A
Page Exp.
Page B
GND
DUCK ZA
DUCK ZB
R33
100K
R34
100K
GND
GND
R77
20K
GND
GND
GND
10
9
8
Z1C
4574
3
2
1
4
11
Z1A
4574
C38
0.1
+15
GND
5
6
7
Z4B
TL074
3
2
1
4
11
Z4A
TL074
10
9
8
Z4C
TL074
12
13
14
Z4D
TL074
+
-
Input
11
10
9
Z3C
DG212
GND
2
1
3
R127A
10KA
2
1
3
R68A
10KA
CW
Paging
Paging
Paging
Assign
Level A
Paging
Level B
MIC
LINE
9
8
14
Z2C
LM339
11
10
13
Z2D
LM339
GND
GND
PRGMINPT
101959-2.SCH
PWR-MET
101959-3.SCH
+15
-15
C39
0.1
W31
.4
W32
.4
W33
.4
W34
.4
W50
.4
Содержание CP 31
Страница 1: ......
