Acer B173 - Page 43

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
U2 與 U2-1 共同 layout
2005/09/30
U1 與 U1-1 共同 layout
TO252 package
2005/09/30
3
E
C
21
B
MMBT3906
3
S
D
21G
SN7002E
C1,EC1,L19 CLOSED CN1
AUDIO POWER
FOR PC99
VBRI
VRMT
DSUB_5V
Bus_Power
5DVCC
MCU_VCC
3DVCC
3DVCC
1.8DVCC
5DV
3DVCC
3DVCC
+
EC1
100uF/16V
L2
10K/6
12
D4
1N4148
D6
SMB/NC
A K
CN1
CONN 3x2-R
2
3 4
1
65
D35
BAT54C
3
1
2
+
EC2
100uF/16V
U1-1
AIC1117/NC
3
1
2
VIN
GND
VOUT
M1
S10M30
Q1
MMBT3906
R5
2.2K/6 1%
M2
S10M30
D3
SSM12
1 2
MH2
M34-D80
1
2
3 4 5
6
7 8 9
R10
330/6 1%/NC
M3
S10M30
R8
1K/6
C2
0.1u/6
C5
0.1u/6/NC
R3 0 ohm/6
R1
150/6 1%/NC
C9
0.1u/6
U1 AIC1084/TO252
3
1
2
4
VIN
GND
VOUT
VO
L3
120/CX201209813/8
L19
120/CX20129813/8
C68
0.1U/6
+ EC4
100uF/16V/NC
C3
1U/6
R9 0/6
+
EC3
100uF/16V
R6 1K/6
D7
SMB/NC
A K
MH1
M34-D80
1
2
3 4 5
6
7 8 9
L1
120/CX20129813/8
R2
1K4/6 1%
U2-1 AP1117/NC
3
1
2
VIN
GND
VOUT
D2
1N4148
U2 AP1084/NC
3
1
2
4
VIN
GND
VOUT
VOUT
D1
1N4148
Q2
DTC144EUA
2
31
C1
0.1u/6
C4
1U/8/NC