9785
RFL
Electronics
Inc.
l 25, 2005
15-9 (15-10 Blank)
(973) 334-3100
C7
A7
C5
A5
C6
A6
A13
14
13
12
4
11
1
2
3
8
9
10
4
11
7
6
5
4
11
1
2
3
4
A14
3
2
7
4
1
6
3
2
7
4
1
6
C13
1
2
3
4
11
14
13
12
4
11
7
6
5
4
11
1
2
3
4
11
8
9
10
4
11
1
2
3
8
4
1
2
3
4
11
A25
A24
A21
7
6
5
4
11
8
9
10
4
11
14
13
12
4
11
1
2
3
A15
2
3
1
7
6
8
7
6
5
8
4
A17
C17
1
2
3
7
6
5
8
4
1
2
3
8
4
A16
A18
C18
A19
C19
A20
1
2
3
4
5
6
1
2
3
8
4
7
6
5
8
4
15
14
16
10
11
9
7
6
5
8
4
1
2
3
8
4
6
5
4
1
2
C10
C9
C20
1
2
3
FILTER & OSC
CALL TONE
VOICE DETECTOR
Fc = 4000Hz
LOW PASS FILTER
Fc = 250Hz
HIGH PASS FILTER
Fc = 2400Hz
LOW PASS FILTER
AGC CIRCUIT
R1
C1
R2
C58
C2
C59
TP1
C3
R3
R4
-
+
U1
C5
C4
R6
R5
R7
R8
TP2
R9
-
+
U1
R10
CR2
R11
CR1
R12
R13
R14
R16
R15
CR3
-
+
U1
R18
R17
CR4
C6
R19
Q1
CR20
LCR1
R20
R25
R22
TP3
C11
R30
-
+
U3
C14
C13
R32
R31
R33
C15
C12
C10
R27
C9
C8
-
+
U2
R28
C7
R23
J1
R26
R24
R29
TP4
J2
R34
R37
-
+
U1
C17
C16
R35
R36
C18
C20
-
+
U4
R42
R38
R41
R40
CR6
CR5
R39
R45
-
+
U4
R43
R44
C19
-
+
U4
R46
R113
C21
C55
R114
R21
-
+
U4
C23
R48
R49
C22
R47
C24
R50
C25
-
+
U7
C36
C26
C37
R78
R79
R80
Q2
R81
C39
C40
C42
R82
C43
R85
R84
-
+
U5
C29
C44
C27
R53
CR9
CR11
CR7
CR10
CR8
R55
R54
R56
L1
R77
C38
CR13
CR14
R83
C41
R51
R88
R52
R86
C45
-
+
U5
R87
R89
-
+
U5
R57
C28
TP8
R58
R59
R60
C30
C32
-
+
U5
C31
R61
TP5
C33
R62
R63
J3
U9
U9
-
+
U7
C35
R70
R72
R74
C57
C56
TP6
R73
R71
R75
R76
-
+
U8
C52
C53
-
+
U8
R68
R67
R65
CR12
DS1
R69
R64
R66
C34
R121
R122
C65
Q3
R107
R108
Q4
DS2
R109
R110
CR21
U10
-
+
U6
C47
C51
R90
C54
R106
R105
R104
R111
R112
Q5
R101
CR18
R102
C50
R103
CR19
R115
R99
C49
CR17
CR15
CR16
-
+
U6
U9
U9
R98
C48
R97
R95
R94
R92
R93
R96
TP7
R91
C46
-
+
U11
-
+
U11
C60
C61
R116
R117
R118
R119
C62
C63
C64
U12
CR22
R120
CR23
R124
SP1
J5
J4
R123
R125
+15V
-15V
+15V
-15V
+15V
-15V
+15V
+15V
-15V
+15V
+15V
-15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
+15V
-15V
+15V
-15V
-15V
+15V
-15V
+15V
+15V
+15V
-15V
+15V
+15V
+15V
-15V
+15V
+15V
-15V
+15V
-15V
-15V
+15V
+15V
+12V
+12V
2.7_OHM
35V
47uF
2.7_OHM
.1uF
35V
47uF
.1uF
.47uF
1K
10K
TL084IN
.1uF
.1uF
1K
3.01K
25K
CW
100
10K
TL084IN
10K
1N914B
10K
1N914B
4.75K
10K
4.99K
30.1K
3.32K
3.3V
1N746
TL084IN
10K
475K
1N914B
25V
100uF
2.21K
2N2222A
1N914B
VTL5C8
221
750
100
.0015uF
31.6K
LM318N
.1uF
.1uF
18.2K
909
10K
150pF
.047uF
150pF
10K
.1uF
.1uF
LM318N
10K
.0068uF
6.65K
7.5K
100K
100
47.5
10K
TL084IN
.0056uF
.0056uF
10K
24.9K
.1uF
.1uF
TL084IN
10K
10K
2.21K
10K
1N914B
1N914B
10K
10K
TL084IN
4.99K
20K
.001uF
TL084IN
20K
3.92K
.0315uF
.012uF
31.6K
68.1K
TL084IN
.0012uF
20K
20K
.016uF
20K
.043uF
20K
255pF
TL082
.1uF
.1uF
35V
15uF
3.32K
562
1/2W
47.5
2N2907A
1K
8200pF
.012uF
.012uF
26.7K
.012uF
365K
7.32K
TL084IN
.1uF
.1uF
.47uF
6.98K
2.4V
1N5221B
15K
15K
40.2K
1mH
332
.047uF
1N4003
1N4003
1K
35V
1uF
604
10K
38.3K
140K
15pF
TL084IN
33.2K
100K
TL084IN
1K
100pF
20K
20K
20K
.0039uF
270pF
TL084IN
.012uF
100
.47uF
1K
1K
CW
DG441
DG441
TL082
.47uF
100K
33.2K
100
.047uF
.047uF
3.16K
25K
CW
1.5K
604
TL082
.1uF
.1uF
TL082
15K
392K
1K
1N914B
VOICE_EN
4.32K
100K
4.99K
1uF
10K
5.9K
.01uF
2N2222A
3.92K
4.99K
2N2907A
REC._CALL
1/2W
681
332
1N4003
NC
NC
MOC8021
TL082
.1uF
.1uF
1.5K
.47uF
100K
10.5K
3.92K
2K
825
2N2222A
24.9K
1N914B
562K
2.2uF
47.5K
1N914B
4.75K
10K
.27uF
1N914B
1N914B
1N914B
TL082
DG441
DG441
1K
.27uF
332
10
100K
1K
68.1K
100
34.8K
2%
.1uF
TL082
TL082
.1uF
.1uF
887
887
887
1%
787
27pF
27pF
2%
.1uF
4N35
1N4001
4.99K
1N4001
4.99K
+
4.99K
200
CW
1N914B
(4)
YEL
RED
ALARM CUTOFF
AGC
INT
EXT
EN
DIS
12V_RELAY_RETURN
,A10
,A9
DET
VOICE
LEVEL
MOD
AGC OUT
TONE
-
+
BUTTON
CALL
RCV'D CALL
RCV'D CALL
RELAY
VOICE ENABLE
OUTPUT
AUX AUDIO
EARPHONE
OUTPUT
AUDIO
LEVEL
AUDIO
SPEECH/TONE
OUTPUT
% MOD
OUT
IN
AUX.
AUDIO INP
HAND SET
COMMON
INP
CARBON MIC
FROM REC IF BF
CONTROL CKT
24KHz
AMP
FROM AGC
OUT
IN
TEST
NORM
15mV RMS
AGC IN
LEVEL
COM
Figure 15-5. Schematic, RFL 9785 Voice Module (Dwg. No. D-106569-C)
RFL
Apri