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1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
Orcad B
Date:
25-Feb-2002
Sheet of
File:
N:\PCBMGR\UNREL\04068CC\PROTEL\04068B.DDB
Drawn By:
Schematic for E Series Motherboard PCA #040690000
7
8
04070
B
D4
D5
D6
IOW
D7
SHDN
D0
D1
D2
D3
D4
D5
D6
IOW
D7
SHDN
D0
D1
D2
D3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
RET
9
GND
10
J1018
TERMBLOCK-10
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U28
PS2702-4
1
TP19
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U25
PS2702-4
4
5
6
U6B
74HC32
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
U27
74HC574
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
U24
74HC574
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U22
PS2702-4
1
2
3
4
5
6
7
8
9
10
11
12
J1017
TERMBLOCK-12
12
13
11
U20D
74HC32
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U26
PS2702-4
SHDN
D[0..7]
IOW
DIGIO2
DIGIO3
VCC
VCC
B STATUS OUTPUTS
DIGITAL OUTPUTS
A STATUS OUTPUTS
VCC
D6
DIODE, SCHOTTKY
F1
RESETTABLE FUSE, 0.3A, 60V
L48
L49
L47 FE BEAD
L50
L43
L44
L46 FE BEAD
L45
L52
L53
L51 FE BEAD
L54
L56
L57
L55 FE BEAD
L58
C81
10000 pF
C80
C79
C82
10000 pF
C84
10000 pF
C85
C86
C83
10000 pF
C89
10000 pF
C88
C87
C90
10000 pF
C92
10000 pF
C93
C94
C91
10000 pF
EXT_+5V_OUT
C
10
1
2
3
4
6
7
8
9
5
RN10
510x8
C
10
1
2
3
4
6
7
8
9
5
RN12
510x8
L12
FE BEAD
L14
L13
FE BEAD
C26
C27
C28