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Acer B173 Service Manual page 43

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5
CN1
CONN 3x2-R
3DVCC
1
2
3
4
D
5
6
L2
2
1
10K/6
C
R9
C4
1U/8/NC
B
D35
D1
D2
2
DSUB_5V
1N4148
1N4148
D4
1
Bus_Power
1N4148
BAT54C
3DVCC
D3
SSM12
1
FOR PC99
A
5
4
L1
120/CX20129813/8
R6
1K/6
VRMT
3DVCC
R8
1K/6
0/6
2
VBRI
Q2
DTC144EUA
MCU_VCC
120/CX201209813/8
3
L3
+
2
G
B
4
3
5DVCC
+
U1
AIC1084/TO252
3
2
VIN
VOUT
4
VO
U1-1
3
2
VIN
VOUT
U1與U1-1共同layout
AIC1117/NC
U2-1
3
VIN
U2
AP1084/NC
D7
D6
A
K
A
K
3
2
VIN
VOUT
4
VOUT
SMB/NC
SMB/NC
M1
M2
M3
S10M30
S10M30
S10M30
3
D
SN7002E
1
2
S
MH1
MH2
M34-D80
M34-D80
3
C
6
2
6
2
MMBT3906
1
1
1
2
E
3
2
5DV
L19
AUDIO POWER
120/CX20129813/8
C1,EC1,L19 CLOSED CN1
3DVCC
+
2005/09/30
TO252 package
AP1117/NC
2
VOUT
2005/09/30
U2與U2-1共同layout
1.8DVCC
+
EC4
100uF/16V/NC
2
1
D
C
B
A
1

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