Shuttle SCD-450, Service Manual

Page: 15 / 17

15
USB BOARD - CLAYOUT DIAGRAM
C
O
N
N
E
C
T
TO
M
B
1
P
9V
2
G
N
D
3
U
S
B
.P
W
R
4
U
S
B
.D
E
T
5
U
S
B
_D
P
6
U
S
B
_D
M
C
O
N
90
2
C90 1 104
1
S
D
_W
P
2
S
D
_S
E
N
S
3
S
D
_C
LK
4
S
D
_B
S
5
D
A
TA
3
6
D
A
TA
2
7
D
A
TA
1
8
D
A
TA
0
9
V
D
D
33
10
G
N
D
11
N
C
12
N
C
C
O
N
90
1
C
D
/D
A
T3
D
A
T2
C
M
D
V
S
S
1
V
D
D
C
LK
V
S
S
2
TA
T0
D
A
T1
W
P
nC
D
GN D1
GN D2
CO MM
11 10
8 7 6 5 4 3 2 1 9
14
13
12
S
D
90
1
1
G
N
D
2
U
S
B
V
C
C
3
D
+
4
D
-
U
S
B
90
2
R
95
1
10
K
R95 2
1K
Q
98
1
M
M
B
T3
90
6
C96 1 104
C96 2
104
C95 3 100 uF
IN
GN D
O
U
T
IC
90
1
78
M
06
R
95
3
47
K
R
95
4
4K
7
C96 0 100 uF
ZD 901
6.8 V
R95 5
4K7
D
97
3
IN
41
48
D97 2 IN 414 8
C96 4 104
R
95
0
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3
Q
98
0
K
R
C
10
2
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98
2
K
R
C
10
2
Q
98
3
A
03
40
1
D
97
1
1N
40
01
R
95
6
0R
R
95
7
0R
R
95
8
0R
R
95
9
0R
R
96
0
0R
R
96
1
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R
96
2
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R
96
3
0R