Clear-Com ICS-22 - 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: