Blease 8500 - Page 60

1 2 3 4 5 6
A
B
C
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654321
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C
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Title
Number RevisionSize
B
Date: 4-Feb-2002 Sheet of
File: \\Cad 3\c\1 JONS ARCHIVE\8500archive\circuit diagrams\10110077-4\10110077-4.DDBDrawn By:
P0
3
P1
4
P2
5
P3
6
Q0
14
Q1
13
Q2
12
Q3
11
TC
15
CEP
7
CET
10
CLK
2
PE
9
MR
1
U36
MC74HC161AD
P0
3
P1
4
P2
5
P3
6
Q0
14
Q1
13
Q2
12
Q3
11
TC
15
CEP
7
CET
10
CLK
2
PE
9
MR
1
U37
MC74HC161AD
P0
3
P1
4
P2
5
P3
6
Q0
14
Q1
13
Q2
12
Q3
11
TC
15
CEP
7
CET
10
CLK
2
PE
9
MR
1
U38
MC74HC161AD
OC
1
CLK
11
1D
2
2D
3
3D
4
4D
5
5D
6
6D
7
7D
8
8D
9
1Q
19
2Q
18
3Q
17
4Q
16
5Q
15
6Q
14
7Q
13
8Q
12
U25
MC74HC574ADW
OC
1
CLK
11
1D
2
2D
3
3D
4
4D
5
5D
6
6D
7
7D
8
8D
9
1Q
19
2Q
18
3Q
17
4Q
16
5Q
15
6Q
14
7Q
13
8Q
12
U26
MC74HC574ADW
D[0..15]
GND
GND
PWMCLK
PWMLATCH
VCC
EN_FLW
PWMDIVCLK
1
2
3
U39A
MC74HC02D
4
5
6
U39B
MC74HC02D
PRS_OVRLD
Valve Override Control
C30
220p
GND
1 2
U41A
MC74HC14AD
8
9
10
U39C
MC74HC02D
11
12
13
U39D
MC74HC02D
Flow Control Valve
1KHz Pulse Width Modulation
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D[0..15]
3 4
U41B
MC74HC14AD
EN_SOL
5 6
U41C
MC74HC14AD
89
U41D
MC74HC14AD
R47
100K
+
C17
22u 50V
GND
VCC
R48
100R
D14
BAR42
RESET
Dump Solenoid Valve
15HZ
3
2
1
84
U29A
LMC662CM
C46
470n16V
R49
100K
+5VA
-5VA
+5VA
1
TP5
TPOINT
VCC
GND
D7
D6
D5
D4
D3
D2
D1
D0
A[1..19]
A[1..19]
A1
A2
DACSTRB
DACCS
3
2
1
84
U30A
LMC662CM
3
2
1
8 4
U31A
LMC662CM
5
6
7
U30B
LMC662CM
5
6
7
U31B
LMC662CM
+5VA
-5VA
-5VA
+5VA
4VREF
1
TP6
TPOINT
EXTPRS
AGND
4VREF
1
TP7
TPOINT
EXTFLW
5
6
7
U29B
LMC662CM
+5VA
-5VA
AGND
R50
33K
1
TP8
TPOINT
PL228
PL227
PL34
PL31FLWOUT
PRSOUT
ON_FLW
ON_SOL
PL122
PL123
PL1[1..26]
PL2[1..50]
PL3[1..26]
PL2[1..50]
PL1[1..26]
PL3[1..26]
R51
20K
R52
10K
C31
33p
R53
10K
C32
33p
R54
20K
R55
100K
R56
56K
R57
47K
C33
100n
R58
100K
R59
100K
R61
N/F
R62
10K
R63
2K0
R64
20K
C34
100n
R65
2K0
R66
2K0
D24
BAS16
R67
20K
C35
100n
R68
2K0
VCC
21
GND
5
D7
6
D6
7
D5
8
D4
9
D3
10
D2
11
D1
14
D0
15
M/ L
17
B/ A
18
VREFA
4
RFBA
3
VREFB
22
IOUTA
2
AGND
1
IOUTB
24
RFBB
23
LDAC
19
/WR
20
U43
DAC8248S
Meter Zero
R10
0R0
R100
10K
P0
3
P1
4
P2
5
P3
6
Q0
14
Q1
13
Q2
12
Q3
11
TC
15
CEP
7
CET
10
CLK
2
PE
9
MR
1
U8
MC74HC161AD
1011
U41E
MC74HC14AD
BAV CONTROLLER TYPE 2 PWM
10110077 4
[PF Auto zero 8500/6500]
[FG Autozero 8500/6500]