Clear-Com ICS-2003 - Manual (Page 51)

Clear-Com Communication Systems
ICS-2003 Intercom Panel Instruction Manual
3 - 1 1
Figure 3-12: ICS-2003 Main PCB Sheet 2 of 2
A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
Schematic
ICS-2003 MAIN PCB 710432 - SCH - D -
C
D
22
710432SC.DSN
Clark McCoy
06/16/98
-----------------------
CHK DWN APP
DA
TE
DA
TE
DA
TE
ORCAD P/N SHEET
:
OF:
SCALE
SIZE
DWG No.
REV
TITLE:
CLEAR-COM INTERCOM SYSTEMS
R
C64 22uF +
C88 10uF
+
C90 .1uF
IC28B
LM833 + -
IC21
LM384 - +
R100 10K
R93 15K
R1
17
150K
IC33C DG444
3
R97 22K
R82
4.02K*
R50
220
R102 10K
R55 10K
IC33D DG444
4
C66 4.7uF +
R89 1K C43 22uF
+
IC33E DG444
R1
10
4.7K
IC31D SSM2161
CH 4
C56 .0022uF
C102 .1uF
IC31B SSM2161
CH 2
R1
1 1
22K
IC32D SSM2161
CH 4
C34 22uF
+
R129 680 1/2W
C103 10uF
+
C53 .1uF
C75 .047uF
IC23B
LM833 + -
D9 BA
V99
Q6
MMBFJ175
C76 .0047uF
C58 .0068uF
R148 82
D10 BA
V99
R83
4.02K*
R79 10K
IC27 74HC595
R56 2.7K
R81 82
R52
4.02K*
C40 .022uF
C57 22uF
+
C82 .33uF
C45 22uF
+
R61 4.3K
R87 100
R123 10K
IC23A
LM833 + -
R138 82
C33 10uF
+
J20
C61 .01uF
R73 10K
D1 1 BA
V99
R58 47
C50 .047uF
C70 .1uF
R75 10K
D12 BA
V99
IC30A
LM833
+ -
R96 22
Q7
MMBT2222A
IC28A
LM833 + -
C92 .1uF
IC33A DG444
1
R99 10K
R85 3.3K
C95 .1uF
C81 .1uF
R139 82
R70 1.2K
IC30B
LM833 + -
R49 33K
R1
15
10K
D17 LED
C41 .015uF
IC32B SSM2161
CH 2
R90 33K
R107 10K
C87 .1uF
R91 33K
C73 .0015uF
C47 .1uF
R95 33K
C44 .0047uF
IC31E SSM2161
IC33B DG444
2
R65
220
R84 2.2M
J13
C59 .1uF
R130 470K
C52 .0022uF
J15
C98 .01uF
R78 10K
IC26 TP5088
IC24A
LM833 + -
Y1 3.579MHz
C100 .1uF
R1
12
150K
IC32E SSM2161
IC24B
LM833 + -
R54
24K
C31 .1uF
IC14C 74AC08
C38 220pF
C32 220pF
C101 10uF +
R71 2.7K
IC14D 74AC08
IC22B
LM833 + -
R48 10K
R64 2.2
C99 10uF +
R51
4.02K*
R62 4.3K
R74 47
C54 .1uF
R1
19
12K
IC34E SSM2161
IC31C SSM2161
CH 3
IC31A SSM2161
CH 1
R67
10K
C46 220uF +
R141 82
C72 .1uF
R80 1M
IC20A
LM833 + -
C63 47pF
C65 .1uF
C36 .0022uF
R72 2.2K
R150 820
C49 .1uF
R68 4.02K*
C39 .1uF
R151 470
C94 .1uF
R94 22
T1
R145 22
R92 150K
IC20B
LM833 + -
R143 82
R131 100M
R124 10K
R53 1.2K
C71 .1uF
C97 .1uF
J1 1
J7
C78 .0047uF
R125 10K
C79 .1uF
IC25A
LM833 + -
R1 18 9.1K
C86 .1uF
C80 .0047uF
R144 82
IC25B
LM833 + -
R60
10K
C83 47pF
R106 22
R121 47K
R140 82
C42 .01uF
R105 150K
R120 1K
C35 1000uF
+
C48 .0033uF
C77 .1uF
J17
R63 68K
IC32A SSM2161
CH 1
C55 22uF
+
C89 10uF +
IC4A
74HC14
C67 100pF
R146 82
C68 .1uF
C96 .1uF
C69 47pF
Q8
MMBT2222A
IC22A
LM833 + -
C109 .33uF
R109 22
R1
14
10K
C51 22uF +
R86 3.3K
C37 .1uF
R142 82
R103 33K
IC32C SSM2161
CH 3
R69 22K IC4F
74HC14
C62 .1uF
R147 82
R104 33K
R76 2.2M
R47 47
R66 4.7K
D16 LED
IC34A SSM2161
CH 1
R108 33K
R77 56K
R57 8.2K
JP1
IC34B SSM2161
CH 2
JP2
R1 16 10K
IC34C SSM2161
CH 3
C74 100pF
IC34D SSM2161
CH 4
+12V
A
-12V
A
VCC
+12V
A
-12V
A
-12V
A
+12V
A
VCC
-12V
A
+12V
A
-12V
A
+12V
A
VCC VCC
+12V
A
+12V
A
-12V
A
+12V
-12V +12V
-12V
A
+12V
A
VCC
-12V
A
+12V
A
+12V
A
-12V
A
-12V -12V
-12V
+12V
A
+12V
A
HEADSENSE
PROGRAM- PROGRAM+
LISTEN
SPCLK SPTXD2 SPTXD
AUDIOLEV1 AUDIOLEV2 AUDIOCNTRL
BEEP
SAENABLE
T ALKENABLE
T ALK
AUDIOLEV3
/SPCLK
5 6
7
6 2
8
7 3 1
14 4 5 10 11 12 13
11
10
9
6
7
8
VDD 12
V+ 13 V- 4
VSS 5
14
15
16
17
14
15
5 6
7
1 2
3
3
2 1 1 2
3
DIN
14
SERCLK
11
RESET
10
L TCHCLK
12
OE
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
3 2
1
8 4
1 2 3
1 2
3
1 2
3
3 2
1
8 4
3
1
2
3 2
1
8 4
3
2
1
5 6
7
16
17
AGND 2
V- 10
V+ 1
DA
T A
13
DGND 11 CLK
12
/WRITE
8
/LD
9
CH SET
20
MSTR OUT
19
MSTR SET
18
VREF
3
14
15
16
1
2
4
5
3
1 2 3 1 2 3
D0
9
OSCIN
6
OSCOUT
7
T OUT
14
NC
13
MUTE
8
D1
10
D2
11
D3
12
TE
2
%%oSTE%%o
3
GS
4
VSS 5 VDD 1
1 2 3
3 2
1
8 4
1 2 3
AGND 2
V- 10
V+ 1
DA
T A
13
DGND 11 CLK
12
/WRITE
8
/LD
9
CH SET
20
MSTR OUT
19
MSTR SET
18
VREF
3
5 6
7
9 10
8
12 13
11
5 6
7
AGND 2
V- 10
V+ 1
DA
T A
13
DGND 11 CLK
12
/WRITE
8
/LD
9
CH SET
20
MSTR OUT
19
MSTR SET
18
VREF
3
7
6
5
4
3 2
1
8 4
1
3
2
4
5 6
7
1 2 3
1 2 3
1 2 3
3 2
1
8 4
5 6
7
1 2 3
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
5
4
1
2
3
1
2
3 2
1
8 4
7
6
13
12
5
4
16
17
7
6
14
15
MICHOT
LINEOUT
T ALKBUS
MICGND MICHOT
MICGND
INTERCOM
SIDET
ONE PROGRAM
FRONT P ANEL HEADSET CONNECT
OR
T O HEADSET
MIC PREAMP
FROM HEADSET CONNECT
OR
T O P ANEL
MICROPHONE
ANNOUNCE T
ONE
FROM MICRO-PROCESSOR
HEADPHONE SENSE INPUT
OF
MICRO-PROCESSOR
ANALOG GND. ANALOG GND. ANALOG GND. ANALOG GND. T ALK BUS -12 SUPPL
Y
-12 SUPPL
Y
+12 SUPPL
Y
+12 SUPPL
Y
SA
CONTROL
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
DIGIT
AL
GND.
LINE OUT
FROM COM MODULE
BALLANCED PROGRAM INPUT FROM MISC. CONNECT
OR
AUDIO CONTROL FROM 1ST P AGE
T O COM
MODULE
2ND EARPHONE FOR STEREO HEADPHONES FRONT P ANEL SPEAKER
CARBON MIC INPUT
R129, R130, R131, & C98 NOT
INST
ALLED
FOR USE WITH CARBON MICROPHONES
1ST EARPHONE