Clear-Com ICS-2003 User Manual
Page 70
Clear-Com Communication Systems
ICS-2003 Intercom Panel Instruction Manual
3 - 3 0
Figure 3-18: Schematic—OPT-100 (Aux Audio Option) Rev. A
ANALOG GROUND
ANALOG GROUND
TALK BUS
-15V
-15V
+15V
+15V
ANALOG GROUND
ANALOG GROUND
SA CONTROL
DIGITAL GROUND
-15V
+15V
25
26
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1K
1K
OTHERWISE SPECIFIED
CHK.
BY
DATE
DESC.
ECO#
BEFORE PLATING
TOLERANCE: UNLESS
TITLE:
intercom systems
R
REV
NO.
DWG
APP
CHK
DWN
DO NOT SCALE DRAWING
ANGLE +/-
REV
SCALE
DATE
DATE
DATE
.XXX +/-
ACAD P/N -
PLOT SIZE-
SIZE
SCHEMATIC
OPT-100
710327-SCH-C-
A
B. DOUGLAS
1/4/89
710327SA.DWG
C
1=1
.015
1˚
A
2074
RELEASE TO PRODUCTION
1/19/94
HCP
HOLES +/- .003
ACAD ARCHIVE
1=1
APR.
NOTES: (UNLESS OTHERWISE SPECIFIED)
1. ALL DIODES ARE 1N4148.
2. ALL CAPACITOR VALUES ARE LISTED IN MICROFARADS.
3. ALL RESISTORS ARE 1/4W, 5%, LISTED IN OHMS.
4. = ANALOG GROUND
= DIGITAL GROUND
8
7
6
5
1
15
14
13
12
3
4
2
9
10
11
HOT MIC OUT
LINE OUT
SA OUT
DB15F
1K
23
25
21
19
17
15
13
11
9
7
5
3
1
2
4
6
8
10
12
14
16
18
20
22
26
24
TOP VIEW
1K
1K
1K
MPS-
A55
+15V
15K
15K
MPS-
A05
1N4001
15K
4.7K
-15V
J
Q
D
R
NOT USED
LAST USED
REFERENCE DESIGNATORS
10
1
2
2
T
K
3
2
SA N.C.
SA WIPE
SA N.Q.
J1
LINE OUT
R1
R2
R3
R4
R5
R6
T1
T2
T3
K1
K2
Q1
R7
R8
Q2
D1
R10
R9
J2