ICS-2003 INTERCOM STATION 3-14
Figure 15: Schematic—ICS-2003 Front Panel PCB Rev. B
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
Schematic
ICS-2003 Front Panel
710433 - SCH - D -
B
D
11
710433SB.DSN
Clark McCoy
08/14/98
-----------------------
A
B
2442
2505
Release to Production
Remove CLK net 08/14/98
CHK
DWN
APP
DATE
DATE
DATE
ORCAD P/N
SHEET:
OF:
SCALE SIZE DWG No. REV
TITLE:
CLEAR-COM
INTERCOM SYSTEMS
R
REV ECO# DESCRIPTION DATE BY CHK
S3
R67
3.3K
S2
C4
.1uF
C5
.1uF
IC8
74HC589A
R37 3.3K
R43 3.3K
R40 3.3K
R46 3.3K
R52 3.3K
R59 3.3K
R49 3.3K
R55 3.3K
IC5C
74HC14
R76
3.3K
S4
IC6
74HC589A
D4
LST2
D3
TLK2
S1
S5
D8
LST4
D7
TLK4
D6
LST3
D5
TLK3
J2
R9
1.2K
D10
LST5
D9
TLK5
IC3
74HC595
D12
LST6
R16
470
R15
1.2K
R14
470
R13
1.2K
R12
470
R11
1.2K
R10
470
R68
3.3K
S2
D16
LST8
D15
TLK8
D13
TLK7
D14
LST7
D11
TLK6
S6
S5
S4
S3
C1
1uF
+C2
.1uF
S8
S7
R44 3.3K
R41 3.3K
R47
3.3K
R38
3.3K
IC5F
74HC14
R60
3.3K
R50 3.3K
R56
3.3K
R53 3.3K
C8
.1uF
C6
.1uF
C7
.1uF
R77
3.3K
S13
S12
S11
S10
S9
S16
S15
S14
R28
470
R27
470
R26
470
R25
470
R69
3.3K
D29
MIC
D28
SPK
D26
LISTLEV
D27
PANEL
R62
3.3K
R19
1.2K
R18
470
R17
1.2K
D18
LST9
D17
TLK9
D22
LST11
D19
TLK10
D20
LST10
R24
470
R23
1.2K
R22
470
R21
1.2K
R20
470
D24
LST12
D23
TLK12
D21
TLK11
IC4
74HC595
R57
3.3K
R61
3.3K
S8S7 S9S6
R70
3.3K
D30
BAV70
C11
.1uF
C12
.1uF
C10
.1uF
S1
C9
.1uF
S10 S12S11 S13
IC7
74HC589A
IC1
74HC595
R71
3.3K
IC5E
74HC14
R29
1.2K
R63
3.3K
S14
C13
10uF
+
D2
LST1
D1
TLK1
R72
3.3K
R35
3.3K
R34
3.3K
R64
3.3K
IC5A
74HC14
IC5B
74HC14
R73
3.3K
R65
3.3K
R36 3.3K
IC11
74HC589A
R42
3.3K
R39 3.3K
R33
31.6K*
R45 3.3K
R48 3.3K
R51 3.3K
R58 3.3K
R54 3.3K
C3
.1uF
R30
3.3K
R1
1.2K
R4
470
R3
1.2K
R2
470
R74
3.3K
IC9
74HC589A
R7
1.2K
R6
470
R5
1.2K
J1
R8
470
R66
3.3K
IC5D
74HC14
R32
5K POT
IC10
74HC589A
R31
5K POT
IC2
74HC595
J1
R75
3.3K
D25
ANSBK
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCCVCC
VCC
VCCVCC
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
5
6
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DIN
14
SERCLK
11
RESET
10
LTCHCLK
12
OE
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
13
12
DIN
14
SERCLK
11
RESET
10
LTCHCLK
12
OE
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
1
2
3
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
DIN
14
SERCLK
11
RESET
10
LTCHCLK
12
OE
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
11
10
1
2
3
4
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
9
8
1
3
2
SER
14
A
15
B
1
C
2
D
3
E
4
F
5
G
6
H
7
SRCLK
11
SRLOAD
13
RCLK
12
OC
10
QH
9
1
3
2
DIN
14
SERCLK
11
RESET
10
LTCHCLK
12
OE
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
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
TXD
RXD
CLK
STROBE
/CLK
IC1 IC2 IC3 IC4 IC5 IC6 IC7 IC8 IC9 IC10 IC11
/RESET
+5V
GND
PGND
TXD
RXD
CLK
/STROBE
PRG WIPER
INT WIPER
RESET
+5V
+5V
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5V
To Main Board
INTERCOM
VOLUME
PROGRAM
VOLUME
ASSY# 710433
MAIN FRONT PANEL PCB
P+5V
’6’’2’ ’9’’5’’1’ ’12’’8’’4’ ’11’
’TLKBACK’
’7’
’SEL’
’3’ ’10’
MIC ON/OFF
SPK ON/OFF
PANEL MIC SEL
LIST LEV ADJ
#1 KEY
#2 KEY
#3 KEY
#4 KEY
#5 KEY
#6 KEY
#8 KEY
#9 KEY
#0 KEY
#7 KEY
* KEY
# KEY
ASSY# 710434
KEYBOARD PCB
’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’ ’SEL’
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