45
+
C725
47uF/16V
R707
NC
+2.5V_DMC
+2.5V_DMQ 6
0805
C767
0.1uF
VCC5V
+3.3DVDD
VCC5V+
R723
10K
1/16W
C718
0.1uF
+1.8V_VDD 5
09/27 Modified by SC
+
C707
220uF/16V
R718
62K
1/16W
MH8
1
C731
0.1uF
FB702
600 OHM
VLCD
C727
0.1uF
U705
AIC1084-33PM
3
1
2
4
VIN
ADJ
VOUT
VOUT
VCC5V
MH10
1
C726
0.1uF
VCC5V
Q704
PMBS3904
R708 51K
1/16W
AdjBACKLITE 5
ON_OFF
C734
0.1uF
+2.5V_DMC 6
FB701
NC
+
C730
47uF/16V
C701
0.001uF
R722
NC
U701
AM4811P-T1-PF
1
2
3
4
8
7
6
5
S
S
S
G
D
D
D
D
+
C763
47uF/16V
R702
NC
VCC5V+
C733
1000pF
R727 4.7K
1/16W
L714
120 OHM
VLCD
5
+
C764
47uF/16V
FB705
600 OHM
+
C705
220uF/16V
+
C713
220uF/16V
C768
0.1uF
Q705
PMBS3904
C
E
B
U702
3
1
2
4
VIN
ADJ
VOUT
VOUT
C704
0.1uF
R710
10K
1/16W
D702
SMB340
C702
0.1uF/25V
VCC12V_AUDIO 8
D703
SBM84PT
VCC5V
Q701
AO3401L
R719
20K
1/16W
onPanel_5V/3.3V
7
D706
NC
MH5
1
VCC12V
CN701
JACK
1
2
C766
0.1uF
MH7
1
+
C737
100uF/16V
R716
1K
1/16W
TO-252
VCC12V_AUDIO
R717
39K
1/16W
R714
1K
1/16W
VCC5V+
C719
0.1uF
U703
AIC1084-18PM
3
1
2
4
VIN
ADJ
VOUT
VOUT
C736
(NC)0.1uF/16V
C728
0.1uF
R713 4.7K
1/16W
+12V_IN
C770
0.1uF
MH6
1
+
C709
220uF/16V
R711
10K
1/16W
+
C703
100uF/16V
+2.5MVDD 5
TO-263
VCC5V
MH3
1
C
B
E
FB703
600 OHM
L702
120 OHM
R720
NC
L701
NC
R712
4.7K
1/16W
+3.3DVDD
Q703
PMBS3904
VCC5V+
R728
10K
1/16W
C714
0.1uF
C712
0.0047uF
R705
0
1/16W
LP701
BEAD
4
1
5
6
3
2
2.5V FOR DDR
R726 0
1/16W
VCC12V
MH11
1
L701A1
2.2UH
onPOWER
7
VCC12V
C729
0.1uF
+
C706
220uF/16V
L703
120 OHM
C715
0.1uF
U707
LM3485
5
1
4
3
8
7
2
6
ADJ
ISENSE
FB
NC
VIN
PGATE
GND
PWRGND
R
7
2
5
0
1
/8
W
TO-252
+
C717
47uF/16V
G1773-J-AC-X-1-070309
J
POWER
Custom
3
8
Friday , March 09, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
S
D
G
Q706
AO3401
U706
3
2
1
VI
VO
G
N
D
+3.3DVDD
5
+
C720
47uF/16V
R704
10K
1/16W
R
7
2
4
0
1
/8
W
R721
22
1/10W
VCC12V
VCPU
+3.3AVDD 5
VCC5V
R709 4.7K
1/16W
D704
SBM84PT
+2.5VM
C710
1uF/25V
TO-263
VCC5V
VCC5V
CN702
CONN
1
2
3
4
5
6
C
B
E
FB704
3.3
1/4W
+
C722
220uF/16V
+2.5MVDD
C740
1000pF
C732
0.1uF
VCPU
7
VCC12V
C735
0.1uF/16V
+
C716
NC
MH4
1
0805
VCC5V
+1.8V_VDD
MH1
1
C711
0.001uF
onBACKLITE 7
+
C708
220uF/16V
+2.5V_DMQ
Q702
PMBS3904
MH9
1
R715
1K
1/16W
R703
NC
VCPU
+
C721
47uF/16V
TO-252
+3.3AVDD
VCC5V
U704
3
2
1
VI
VO
G
N
D
L712
120 OHM
Summary of Contents for AL2251W
Page 1: ...1 Acer AL2251W Service Guide ...
Page 9: ...9 LCD Monitor General Specification ...
Page 10: ...10 ...
Page 11: ...11 LCD Panel Specification General Specifications ...
Page 12: ...12 Optical Specifications ...
Page 13: ...13 Supported Timing ...
Page 24: ...24 b The Description For Function Control LEDS ...
Page 25: ...25 ...
Page 31: ...31 Fig 7 6 Remove the screws to remove the frame of the panel Fig 8 9 Fig 8 Fig 9 ...
Page 32: ...32 Fig 10 7 Remove the screws to remove the base back cover Fig 11 12 Fig 11 Fig 12 ...
Page 34: ...34 10 Remove the screws to remove the main board Fig 15 16 Fig 15 Fig 16 ...
Page 41: ...41 Exploded Diagram Model AL2251W ...
