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1
RN14
100Kx8
J109
CH7
1
CH6
D
2
CH4
3
CH3
4
CH2
5
CH1
6
CH1
7
CH2
8
CH3
9
CH4
10
11
CH6
12
MICROFIT-12
CH9
CH11
CH12
CH13
CH14
J110
CH14
1
CH13
2
CH12
3
CH11
4
CH9
5
CH8
C
6
7
8
9
10
11
12
MICROFIT-12
TEMPMUX
DACMUX
SHDN
B
U59A
1
CHGAIN
3
2
IOW
74HC32
U59B
4
VFPROG
6
IOW
5
74HC32
A
1
2
3
-15V
+15V
ANALOG INPUTS
C55
RN15
100Kx8
0.15 uF, ceramic
U52
19
28
3
IN 1
OUT
20
C42
IN 2
21
1
0.15 uF, ceramic
2
IN 3
+VSS
22
IN 4
23
27
IN 5
-VSS
24
C43
-15V
IN 6
CH7
25
12
0.15 uF, ceramic
IN 7
GND
CH8
26
IN 8
11
13
IN 9
VREF
10
2
IN 10
NC
9
3
IN 11
NC
8
18
IN 12
ENB
VCC
7
14
IN 13
A3
6
15
IN 14
A2
5
16
IN 15
A1
4
17
IN 16
A0
TP3
1
AN MUX
+15V
AGND
C47
U56
1.2 uF, 6.3V ceramic
C48
8
1
NC
NC
7
2
NC
VIN
6
3
VOUT
NR
5
4
1.2 uF, 6.3V ceramic
TRIM
GND
TP1
1
VOLTAGE REF
VREF
VREF
TC6
TP49
U58
74HC574
1
OE
11
CLK
D0
2
19
D1
Q1
D1
3
18
D2
Q2
D2
4
17
D3
Q3
D3
5
16
D4
Q4
D4
6
15
D5
Q5
D5
7
14
D6
Q6
D6
8
13
D7
Q7
D7
9
12
D8
Q8
TP50
U60
74HC574
1
OE
11
CLK
D0
2
19
D1
Q1
D1
3
18
D2
Q2
D2
4
17
D3
Q3
D3
5
16
D4
Q4
D4
6
15
D5
Q5
D5
7
14
D6
Q6
D6
8
13
D7
Q7
D7
9
12
D8
Q8
2
3
4
+15V
R45 induces an
+
OP-AMP, PRECISION
offset in analog
6
TC7
signal to give a
-
1M, 1%, 1206 CHIP
'live 0' for sensors
R45
with 0 or slightly
U53
negative output
C46
0.15 uF, ceramic
U55
VCC
DG444DY
3
2
S1
D1
14
15
100
R47
S2
D2
11
10
S3
D3
6
7
S4
D4
1
12
R48 200
IN1
VCC
16
4
IN2
-VS
9
5
IN3
GND
8
13
IN4
+VS
+15V
C49
-15V
0.15 uF, ceramic
R49
100
-15V
RN17
VCC
100Kx8
10 uF, 35V, TANTALUM
1
10
2
5
3
4
6
7
8
9
VCC
C
C51
0.15 uF, ceramic
SEL60
D[0..7]
TP51
TP52
TP53
TP54
SA
SB
SC
START
RESET
MSB
MID
LSB
4
5
+15V
R43
100
C40
C41
0.15 uF, ceramic
C44
U54
.022 uF, 50V
4
18
OP OUT
COMP+
5
17
OP-
COMP-
6
16
R46
OP+
AGND
7
15
1.1K, 5%
5VI
GND
8
14
10VI
FOUT
V/F CONVERTER
X2
JITO-2-DCA5AE-4.8MHZ
TP48
R47 and R48 reduce the gain
PLACE 100
for analog inputs by 1%, so
OHM
that we can read slightly
RESISTOR AS
above full scale, to prevent
CLOS AS
overflow of ADC reading
POSSIBLE TO
X1 AND X2
D6
100
R9
D2
C50
D4
7
39
DB4
GND
8
38
RDMBYTE
GND
D3
9
37
DB3
GND
10
36
GND
GND
11
U57
35
GND
FREQ
12
34
VCC
VCC
13
33
GND
GND
14
32
GND
GND
D0
15
Quicklogic CPLD
31
DB0
GND
D5
16
30
DB5
SEL60
D7
17
29
DB7
GND
D1
Title
Schematic for E Series Motherboard PCA #040690000
Size
Number
04070
Orcad B
Date:
25-Feb-2002
File:
N:\PCBMGR\UNREL\04068CC\PROTEL\04068B.DDB
5
6
D
+
10 uF, 35V, TANTALUM
VCC
C45
+
10 uF, 35V, TANTALUM
VCC
PLACE C54 AS
CLOSE AS
POSSIBLE TO
X1. LEADS AS
C54
C
SHORT AS
POSSIBLE
0.15 uF, ceramic
(BYPASS CAP)
1
1
X1
4
MB100H-4.8MHZ
5
TP57
TC8
VCC
B
SEL60
C52
0.15 uF, ceramic
TP55
IOR
VFREAD
A
Revision
B
Sheet of
4
8
Drawn By:
6
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