Teledyne M300EM Carbon Monoxide Alarm User Manual


 
1 2 3 4 5 6
A
B
C
D
6
54321
D
C
B
A
Title
Number RevisionSize
Orcad B
Date: 17-Jun-2008 Sheet of
File: N:\Pcbmgr\05701dn.E-motherboard.gen4\Source\05701a.DDBDrawn By:
IOW
CH1
CH3
CH4
CH7
CH8
CH9
CH12
CH13
CH14
SB
MID
SA
SC
MSB
D4
D0
D3
D6
LSB
START
D7
SEL60
D5
SEL60
CH2
CH11
D4
D3
D6
D4
D1
D2
D2
D0
D3
D1
D5
D2
D1
D7
D7
D0
D5
D6
1
TP50
3
4
6
1
X2
JITO-2-DCA5AE-4.8MHZ
+
C41
10 uF, 35V, TANTALUM
1
TP52
1
2
3
4
5
6
7
8
9
10
11
12
J110
MICROFIT-12
C51
0.15 uF, ceramic
C42
0.15 uF, ceramic
R46
1.1K, 5%
C47
1.2 uF, 6.3V ceramic
1
TP48
IN 16
4
IN 15
5
IN 14
6
IN 13
7
IN 12
8
IN 11
9
IN 10
10
IN 9
11
IN 3
21
NC
3
+VSS
1
NC
2
IN 5
23
IN 4
22
IN 2
20
IN 1
19
ENB
18
A0
17
A1
16
A2
15
A3
14
VREF
13
IN 6
24
GND
12
IN 8
26
-VSS
27
OUT
28
IN 7
25
U52
AN MUX
+
C50
10 uF, 35V, TANTALUM
1
TP57
1
TP51
R49
100
NC
1
VIN
2
TRIM
5
VOUT
6
NR
3
NC
8
GND
4
NC
7
U56
VOLTAGE REF
C43
0.15 uF, ceramic
1
TP55
C40
0.15 uF, ceramic
C49
0.15 uF, ceramic
C54
0.15 uF, ceramic
C44
.022 uF, 50V
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
CLK
11
OE
1
Q1
19
Q2
18
Q3
17
Q4
16
Q5
15
Q6
14
Q7
13
Q8
12
U58
74HC574
C52
0.15 uF, ceramic
C48
1.2 uF, 6.3V ceramic
1
TP53
COS
12
OPT10V
10
-VS
11
CLK
13
FOUT
14
8VI
9
10VI
8
GND
15
AGND
16
COMP-
17
COMP+
18
OP OUT
4
NC
3
+VS
2
OP-
5
OP+
6
REF
20
5VI
7
NC
19
NC
1
U54
AD652KP
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
CLK
11
OE
1
Q1
19
Q2
18
Q3
17
Q4
16
Q5
15
Q6
14
Q7
13
Q8
12
U60
74HC574
1
TP54
R43 100
R47100
-
+
7
2
3
4
6
U53
OP-AMP, PRECISION
1
TP49
1
2
3
4
5
6
7
8
9
10
11
12
J109
MICROFIT-12
R48 200
4
5
8
1 X1
MB100H-4.8MHZ
+
C45
10 uF, 35V, TANTALUM
R45
1M, 1%, 1206 CHIP
C46
0.15 uF, ceramic
TIE
40
TIE
39
TIE
38
TIE
37
TIE
36
FREQ
35
TIE
34
TIE
12
GND
10
DB7
11
TIE
13
DB0
14
ICLK
42
TIE
33
DB3
9
RDMBYTE
8
VCCIO
32
SEL60
29
START
28
TDO
30
TDI
15
TMS
16
TCK
17
RDMSB
18
VFCLK
43
DB5
44
DB6
4
TIE
3
TIE
2
DB2
5
VCCINT
41
RDLSB
6
READ
27
SC
26
SB
25
GND
23
IOR
22
VCCINT
21
DB1
20
TIE
1
SA
24
DB4
7
TIE
19
GND
31
U57
Xilinx CPLD
C55
0.15 uF, ceramic
C
101
2
3
4
6
7
8
9
5
RN17
100Kx8
D1
2
S1
3
-VS
4
GND
5
S4
6
D4
7
IN4
8
IN3
9
S3
11
IN1
1
IN2
16
D2
15
S2
14
+VS
13
VCC
12
D3
10
U55
DG444DY
4
5
6
U59B
74HC32
1
2
3
U59A
74HC32
IOR
VFREAD
D[0..7]
VFPROG
DACMUX
CHGAIN
TEMPMUX
IOW
SHDN
VREF
TC6
TC7
TC8
+15V
VCC
+15V
VCC
-15V
VCC
-15V
+15V
-15V
VCC
+15V
VCC
VCC
+15V
VCC
-15V
ANALOG INPUTS
C
101
2
3
4
6
7
8
9
5
RN15
100Kx8
C
101
2
3
4
6
7
8
9
5
RN14
100Kx8
CH1
CH2
CH3
CH4
CH7
CH6
CH6
CH8
CH9
CH11
CH12
CH13
CH14
1
TP1
VREF
1
TP3
AGND
4
R9
100
PLACE 100
OHM
RESISTOR AS
CLOS AS
POSSIBLE TO
X1 AND X2
R45 induces an
offset in analog
signal to give a
'live 0' for sensors
with 0 or slightly
negative output
R47 and R48 reduce the gain
for analog inputs by 1%, so
that we can read slightly above
full scale, to prevent overflow
of ADC reading
VCC
Schematic for E Series Motherboard PCA 05702
05703 A
8
D-18
04288D DCN 5752