Clear-Com ICS-22 User Manual
Page 37
Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual
4 - 1 7
Figure 4-7: Matrix Option Schematic (part no. 710533)
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
R2C
10K
C1
2200uF 35V
+
R2B
10K
R8
1.5K
C3
.0022uF
R6
47K
R3B
100K
C5
.022uF
D3
1N4148
R3A
100K
R3C
100K
R3D
100K
C2
100uF
+
IC3A
LM833
+
-
D1
-
+
IC3B
LM833
+
-
R2A
10K
C4
.1uF
J2
J3
R2D
10K
T1
MET
-09
T2
TTC108
P2
P3
J1
C6
10uF
+
P4
IC1
MAX488E
-
-
+
+
IC2
PIC16C505P
R9
330
R10
2.2M
R2E
10K
Q1
TIP41
R4C
4.7K
R4B
4.7K
R5
2K
R4D
4.7K
R1
100
P1
R4A
4.7K
R7
100
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
5
6
3
4
3
4
1
2
5
6
7
8
3
2
1
8
4
1
2
3
4
5
6
7
1
2
1
1
7
8
1
6
5
3
4
2
1
6
5
3
4
2
1
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
3
1
5
6
8
7
4
2
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
9
10
2
1
3
5
6
3
4
7
8
1
2
3
4
5
6
7
8
9
10
1
2
16-20
VA
C
4-WIRE
OPTION
CONNECT
ORS
MA
TRIX
CONNECT
OR
Programming /
T
est / Vdd /
Interrogation Connection
Call Light
NOTES: (UNLESS OTHER
WISE SPECIFIED)
1.
ALL
RESIST
ORS
ARE 1/4W 5% LISTED IN OHMS
2.
ALL
CAP
ACIT
ORS
ARE LISTED IN MICROF
ARADS
Latch Disable
Sense Talk
/Ch. A
/Ch. C
/Ch. D
P5-6
P5-7
PROGRAMMING /
TEST
/ INTERROGA
TION
1 - Gnd /Gnd /Gnd
2 - Data/Strobe Out /Strobe In
3 - n/a/Data Out /Data In
4 - Clock/Clock Out/Clock In
5 - MCLR (not)/Data In/Data Out
6 - +5V / +5V/ +5V
Call Button
SP
ARES: