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Title
Size Document Number Rev.
Date: Sheet of
ProjectCode
Reviewed By ApprovedByPrepared By
Model Name
PCB P/N
PCBRev.
OEM/ODM Model Name
304-C02
MAIN BD
11 12
BILL WJCHANG
T.S.WU
48.J3402.S03
S03
ANGEL HU
<Size>
DX660
99.J3477.001
1
Tuesday, May 21, 2002
NA
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L27BEAD
C174
20P
50V J
C161
0.1U
25V Z
R138 20K
C178
47P
50V J
L24 BEAD
R136 47
U27
SP232ECN
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
U28B
74AHCT14DB
34
147
C171
0.1U 25V Z
J7
2210252001
9
9
10
10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
õ
C176
10U
25V
12
C165
0.1U
25V Z
C180
0.1U
25V Z
D10
5.1V
1 2
L25 BEAD
R13747
Q13
2N3904
1
32
R135
2K
C170
0.1U
25V Z
U29
MC68HC908JB8
data
12
RST
20
KI0
19
KI1
18
KI2
17
KI3
16
K01
15
K02
14
DSW
13
NC
11
X1
2
X2
3
D+
8
D-
9
Idata
10
Iclk
7
USBMD
6
VSS
1
VR
4
VDD
5
C164
0.1U
25V Z
C159
100P
25V K
D14
5.1V
1 2
R142
4.7K
C179
0.1U
25V Z
C158
100P
25V K
R140
10M
C173
0.1U
25V Z
R141
20K
õ
C167
10U
25V
12
D11
1N4148
12
DN22
BAV99
1
3
2
L26 BEAD
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C160
10U
25V
12
J8 2210218201
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
õ
C169
4.7U
25V
12
C162
0.1U
25V Z
C175
20P
50V J
D12
5.1V
1 2
C177
47P
50V J
Y5
6MHZ
R139
20K
L23BEAD
DN23
BAV99
1
3
2
C172
0.1U25V Z
C166
0.1U
25V Z
U28A
74AHCT14DB
12
147
D13
5.1V
1 2
R134
1K
L22BEAD
C168
0.1U
25V Z