Clear-Com ICS-22 - 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