Clear-Com ICS-22 User Manual
Page 29
Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual
4 - 9
Figure 4-3: ICS-22 Schematic (part no. 710470)
A
A
B
B
C
C
D
D
E
4
4
3
3
2
2
1
1
E
R35
100*
R10A
10K*
C37
.01uF
R53
10
D1
1
BA
V99
R8B
10K*
R8C
10K*
R1B
100K*
R8D
10K*
R8A
10K*
R1D
100K*
R10B
10K*
IC8B
LM833
+
-
P6
R26
470K*
C6
4.7uF
+
D12
BA
V70
R22
825*
S3A
5101
14
S3C
5101
14
S3B
Q2
MMBT2907A
Q4
MMBT
A64
R54
1M
C18
.047uF
R20
430*
D3
BA
V99
C1
1
4.7uF
C25
.1uF
IC2A
LM833
+
-
IC1A
LM833
+
-
IC1
1
7805L
C42
10uF
+
R45
100*
C41
100uF
+
Q3
MMBFJ175
IC5
LM384
-
+
C30
47pF
C43
1uF
+
R31
20K*
D4
BA
V99
C34
.1uF
C17
100uF +
C32
.1uF
R46
390
R10C
10K*
S2
C15
.22uF
C10
.1uF
R2A
47K*
R2B
47K*
D14
C5
47pF
R52
8.2K*
R43
1.5K*
P2
R7D
220K*
R42
2K*
C44
.47uF
+
Q5
MMBT
A14
R39
20K*
R1C
100K*
IC9C
DG444
D9
BA
V70
Q1
MMBFJ175
R1
1A
10K*
D13
BA
V99
IC1B
LM833
+
-
R7B
220K*
C29
.01uF
C31
.01uF
D7
5.1V
P3
C7
470pF
R23
5K POT
R1
1B
10K*
R7A
220K*
R7C
220K*
C35
.047uF
R18
2K*
D16
BA
V70
R1
1C
10K*
R1
1D
10K*
R34
20K*
J1
C28
22uF
+
R2D
47K*
R37
56.2K*
R47
300*
R41
56.2K*
C16
.0022uF
C22
.0047uF
R12
100K
S5
S4
R44
1.3K 1/2 W
D10
5.1V
P1
J2
IC2B
LM833
+
-
R24
20K*
IC10
PIC16C505
P9
IC9B
DG444
R25
39*
W4
JUMPER
W2
JUMPER
W3
JUMPER
W1
JUMPER
C2
1uF
+
C33
.1uF
R33
1K*
C36
.1uF
P5
P7
R6
100K*
S1
R48
2.74K*
R9A
10K*
D2
BA
V99
R16
15K*
R17
6.8K*
D15
BA
V70
D1
BA
V99
R14
1K*
C21
.22uF
C19
47pF
C20
.0047uF
C23
.22uF
R21
2K*
R13
220
C9
.0047uF
R4D
470K*
R2C
47K*
R49
100K*
IC9D
DG444
C26
220pF
R19
12.1K*
C24
.047uF
C14
22pF
R32
121K*
R28
6.2K*
R50
100K*
R9B
10K*
R4B
470K*
IC9A
DG444
C46
470pF
C40
.01uF
C39
.47uF
+
R4C
470K*
R4A
470K*
R9C
10K*
R15
10
J3
C8
220uF
+
R9D
10K*
C1
.01uF 1.4KV
R27
2.2
C27
47pF
P8
R38
12.1K*
C45
.1uF
C38
.01uF
R3C
47K*
R3D
47K*
D8
R
G
2
1
3
C47
220uF
+
R51
300*
R3A
47K*
R3B
47K*
IC8A
LM833
+
-
C13
.01uF
R29
5K POT
R40
5K POT
R36
10K POT
D5
BA
V99
D6
BA
V99
JP1
C4
1uF
+
C12
1uF
+
R10D
10K*
R30
20K*
R1A
100K*
P4
+V1
Bias-1
+V1
+V2
+V2
+V2
+V2
+V2
Bias-1
+V2
Bias-1
+V1
VDD
+V1
+V3
VDD
VDD
VDD
Bias-1
Bias-1
+V1
Bias-1
Bias-1
Bias-1
+V2
Bias-1
Bias-1
+V1
+V3
VDD
Bias-1
+V1
+V1
VDD
VDD
+V1
1
8
1
2
3
2
7
3
6
2
7
4
5
1
8
4
5
2
7
5
6
7
1
2
3
1
2
3
1
6
3
4
2
5
2
1
3
1
2
3
3
2
1
8
4
3
2
1
8
4
VIn
3
VOut
1
GND
2
3
2
1
6
2
8
7
3
1
14
4
5
10
11
12
13
1
2
3
3
6
2
1
3
5
4
6
1
8
2
7
1
2
4
5
3
6
11
9
10
1
2
3
3
2
1
1
8
1
2
3
5
6
7
2
7
1
3
1
2
3
4
5
6
7
8
3
1
2
2
7
1
8
3
6
1
2
3
3
6
4
5
1
2
3
4
5
6
7
8
9
10
4
5
2
1
3
5
4
6
2
1
3
5
4
6
1
3
1
2
3
4
5
6
7
8
9
10
+
1
+
3
+
5
+
7
+
9
+
11
+
13
+
2
+
4
+
6
+
8
+
10
+
12
+
14
5
6
7
RB0
13
RB1
12
RB2
11
RB3
4
RB4
3
RB5
2
RC0
10
RC1
9
RC2
8
RC3
7
RC4
6
RC5
5
VDD
1
VSS
14
1
2
3
4
5
6
6
8
7
1
2
3
1
2
2
1
3
1
8
1
2
3
1
2
3
1
2
3
4
5
3
6
14
16
15
2
7
2
7
3
1
2
13
4
5
12
3
6
1
8
3
6
1
2
3
4
5
6
7
8
4
5
1
2
3
3
6
4
5
1
8
2
7
3
2
1
8
4
3
1
2
3
1
2
3
1
2
1
2
3
1
2
3
4
5
1
8
1
2
3
4
5
NOTES: (UNLESS OTHER
WISE SPECIFIED)
1.
ALL
RESIST
ORS
ARE 1/10W 5% LISTED IN OHMS
2.
ALL
CAP
ACIT
ORS
ARE LISTED IN MICROF
ARADS
3.
ALL
DIODES
ARE 1N4148
CW
SIDET
ONE
NULL
CALL
LIGHT
CALL
SPEAKER
INTERCOM
CHANNEL(S)
CHANNEL
SELECT
OR
SPEAKER
ON-OFF
CH A
CH
B
SP
ARES:
PREAMP
INTERCOM
LINE
DRIVER
INTERCOM
LINE
RECEIVER
POWER
AMPLIFIER
CALL
SIGNAL
SINGLE
CHANNEL
LONG LINE
TW POWER
OPTION
VOX
T
ALK
LA
TCH
DISABLE
T
ALK
4-WIRE
OPTION (1)
ALER
T
T
ONE
VOLUME
PROGRAM
VOLUME
PROGRAMMING /
TEST
INTERF
ACE
1 - Gnd / Gnd
2 - Data / Strobe
3 - n/a / Data Out
4 - Clock / Clock
5 - MCLR (not) / Data In
6 - +5V / n/a
4-WIRE
OPTION (2)
BALANCED
PROGRAM
INPUT
CW
INTERCOM
VOLUME
CW
CW
CALL
ON
BOTH
CALL
ON
SELECTED
HEADSET
XLR 4
XLR 3
XLR 2
XLR 1
XLR G
GM / VOX
OPTION