Instruction manual

Clear-Com Communication Systems 3-9
ICS 92/52 Intercom Panel Instruction Manual
Figure 3-8: Schematic—ICS-92/92T/ICS-52/52T Main PCB Sheet 2 Rev. G
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
C68
1000uF
+
C61
.1uF
C58
.1uF
R103
0
C62
1uF NP
R76
4.7K
R77
22K
R96
1M
IC15A
NE5532
R47
22
R48
22
R75
33K
R49
47K
R50
22K
IC13B
DG211
IC13C
DG211
R51
4.02K*
R52
4.02K*
R53
4.02K*
R54
4.02K*
C69
.1uF
C70
.1uF
C28
22uF
+
R55
10K
IC13A
DG211
C71
.1uF
IC14
4094
IC21
LM384
-
+
IC17A
NE5532
C73
.1uF
C47
.1uF
C64
.1uF
C48
.1uF
R97 5.1K
IC17B
NE5532
C76
.1uF
C65
.0039uF
C29
22uF
+
C74
.1uF
C55 47pF
R42
22K
P2
5K POT
R43
15K
C75
.1uF
R99
5.1
C67
.22uF
C30 .002uF
C77
1uF NP
R100
8.2K
C31 .002uF
R101
2.2
C32
.0047uF
R90
10K
C33
4.7uF
+
C43
22uF
+
IC13D
DG211
R71 10K
R104
10K
C34
1uF NP
C54
100pF
IC16B
NE5532
R44
220
D18
5.1V ZD
C35
.1uF
IC19A
DS1267-10
10K POT
C36
.1uF
R63
2.7K
C27
.01uF
C49
.1uF
R45
100
C50
22uF
+
R64
2.7K
IC18B
NE5532
D19
5.1V
ZD
C63
.1uF
R80
39.2K*
R74
150K
C79
.1uF
C51
22uF
+
R46
82
IC23B
NE5532
C37
22uF
TANT
+
C80
.1uF
R65
10K
R79
39.2K*
R56
100
IC18A
NE5532
C38 22uF TANT
+
C46
.22uF
IC23A
NE5532
C45
.22uF
C39
22uF
TANT
+
R68
10K
Q6
J174
D
S
IC19B
DS1267-10
10K POT
R57
47
R62
39.2K*
R58
47
R78
39.2K*
R94
10K
C40
.002uF
C52
100pF
C44
100pF
R81
10K
C41
.0068uF
C53
100pF
C59
100pF
R82
10K
R59
4.02K*
R83
10K
R84
470K
Q8
2N2222
C42
.1uF
R72
150K
Q7
2N2222
IC16A
NE5532
R85
3.3K
IC20A
LM833
C72
100pF
R86
3.3K
IC20B
LM833
R105
10K
R87
10K
R88
1.2K
14
23
R92
56K
R73
3K
R93
10K
R95
10K
R91
24K
R60
1K
P1 500
C82
200pF
R89
2.2M
R61
4.7K
IC15B
NE5532
C56
.047uF
C85
220uF
+
C60 200pF 5%
C57
.0047uF
+15V
+15A
+15A
+15A
+5D
+15A
+15A
+15A
+15A+15V
+15A
+15V
+5VD
+15V
-15V
-15A
-15A
+5D
-15A
-15A
-15A
-15A
-15A
-15V
-15A
+15A
LISTEN AUDIO
TALK AUDIO
BEEP
+PRG-IN
-PRG-IN
HEAD SENSE
POT DATA
POT CLK.
POT RESET
SER RESET
SER DATA
SER CLK.
/TALK EN
/LIST EN
3
2
1
84
6
8
7
11
9
10
3
1
2
13
4
5 12
STR
1
D
2
CLK
3
OE
15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS
9
%%oQS%%o
10
6
2
8
7 3
1 14
3
2
1
84
5
6
7
14
16
15
5
6
7
5
8
6
9
13
7
14
10
12
11
1
5
6
7
5
6
7
3
2
1
84
3
2
1
84
3
4
2
3
2
1
84
3
2
1
84
5
6
7
5
6
7
1
2
FRONT PANEL
SPEAKER
1
TO
MIC
PREAMP CONNECTOR
x
Y
FROM
HEADSET
CONNECTOR
Y
X
MICROPHONE
HEADSET MIC.
CW
HEADPHONE
T
R
S
TO PANEL
DATE
DATE
DATE
DWN
CHK
APP
ORCAD P/N -
PLOT SIZE -
SCALE SIZE DWG NO. REV
TITLE:
SCHEMATIC
CLEAR-COM
INTERCOM SYSTEMS
R
10/14/94
Clark McCoy
SHEET #2
D
D
--------
2
1
2
(SIDETONE SW)
(PANEL SEL)
(HEADSET SEL)
(HEAD SIDETONE SEL)
(SA ENABLE)
LH
W
CLK
DIN
DOUT /R
LH
W
(SIDETONE)
(ADJUST)
16
8
(BEEP FILTER)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
(TALK BUS)
ANALOG GND.
ANALOG GND.
ANALOG GND.
ANALOG GND.
TALK BUS
-15 SUPPLY
-15 SUPPLY
+15 SUPPLY
+15 SUPPLY
SA CONTROL
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
DIGITAL GND.
LINE OUTPUT
OPT-2
AUXILLIARY
INTERFACE
MODULE
FROM
SHEET 1
FROM
SHEET 1
SHEET 1
TO
FROM
SHEET 1
FROM
SHEET 1
TO SHEET 1
(/TALK EN)
(/LIST. EN)
,4,5,10,
1
3
2
(PRG ENABLE)
710342-SCH-D-
J7
J8
J9
J10
J11
11,12,13
3
3
3
SHEET 2
ICS-92/52 MAIN BOARD
710342SG.DSN
G