Acer AL2051 Service Manual page 47

C710綼 U701
C710
1uF/25V
0805
VCC12V
LP701
CN701
1 +12V_IN 6 3
5 2
+ + R721
C705 C774
JACK 4 1 20K 1/10W C701
1000pF
220uF/16V 220uF/16V
0805 0805
BEAD
VCC12V_AUDIO
VCC12V
MH1 MH4 MH5 MH6
FB704 600 OHM
MH3 MH7 MH8 MH9 MH10 MH11
Change to
TO-252
VCC5V+
U702 +3.3AVDD
3 2
Vin Vo2
4
Vo2
AIC1084-33PE
C718 C717 + C719
0.1uF 47uF/16V 0.1uF
TO-263
VCPU
VCC5V+ +3.3DVDD
U705
AIC1084-33M
3 2
VIN VOUT
4 FB705 NC
VOUT
1
ADJ
C731 C730 + C732
0.1uF 47uF/16V 0.1uF
+3.3DVDD
L707
+3.3DV1
pin162,pin182
+3.3DV1 5
120 OHM + C753 C754 C755
10uF/50V
0.1uF 0.1uF
+3.3DVDD
L711 +3.3DV2
pin66
+3.3DV2 5
120 OHM + C762
C760
10uF/50V 0.1uF
Remove C94/C95/U13
+3.3DV1=>LCD I/F Pad
+3.3DV2=>Host bus
0414
L701A1
NC
L701
U701 22uH
1 8
S D
2 7
S D
3 6 D704 D705
S D
4 5 SBM84PT SBM84PT +
G D C706
220uF/16V
AM4811P-T1-PF
R719 C711
1000pF
62K 1/10W 1%
U707
0805 0805
8 1
VIN ISENSE
7 2
PGATE GND
6 3
PWRGND NC
5 4
ADJ FB
LM3485 R720 C712
20K 1/10W 1% 0.0047uF
0805 0805
FB702 120 OHM FB703 120 OHM
VCC12V_AUDIO 8
+3.3AVDD for
AVDD_DVI
pin4,pin10
AVDD_DVI
+3.3AVDD L702
AVDD_DVI 5
120 OHM
C722 C723 C724
+
10uF/50V 0.1uF 0.1uF
+3.3DVDD
+3.3AVDD for
AVDD_PLL
AVDD_PLL
+3.3AVDD
AVDD_PLL 5
L704 120 OHM pin12
C733 + C734
10uF/50V
0.1uF
+3.3AVDD for PLL_GND
AVDDA
+3.3AVDD L706 AVDDA pin17,pin34
AVDDA 5
120 OHM
C749 + C750 C751
10uF/50V
0.1uF 0.1uF
3.3V(6251) for
AVDD_PLL2
AVDDPLL2 pin109 Audio PLL
+3.3AVDD
1.8V
AVDDPLL2 5
L710 120 OHM
C758 C759 +1.8V_VDD
+
10uF/50V
0.1uF L708 120 OHM
pin49
+3.3V for PLL_GND
VDD_MPLL
+3.3AVDD
L713 VDD_MPLL pin204
VDD_MPLL 5
120 OHM
C765 C769
+
10uF/50V
0.1uF
PLL_GND
VCC5V
VCPU
FB701 600 OHM
VCPU 7
+ + + C773
C707 C708 C709
1000pF
0805
220uF/16V 220uF/16V 220uF/16V
7 onPanel_5V/3.3V
7 onPOWER
L715
Change to AZ1084-18
120 OHM
TO263
U703
+1.8V_VDD
3 2
Vin Vout
4
Vout
C728 C725 + C729
0.1uF AP1084D18 47uF/16V 0.1uF
1.8V for
VDDC
pin63,pin79,pin131,
pin156,pin173,pin185,pin195
+1.8V_VDD L705
120 OHM
+ C736 C737 C738 C739
C735
10uF/50V
0.1uF 0.1uF 0.1uF 0.1uF
+APLL
+APLL 5
+ C756 C757
Change to
10uF/50V 0.1uF
TO-252
PLL_GND VCC5V+
U706
3 2
Vin Vo2
4
Vo2
C763
+ C766 +
C764
47uF/25V 0.1uF 47uF/25V
AIC1084-33PE
L709 120 OHM
PLL_GND
47
VCC5V VCC12V VCC5V VLCD
09/27 Modified by SC
VLCD
R702 R703 R704 C771
10K 1/16W NC 10K 1/16W 0.1uF/16V
D
R708 51K 1/16W Q701
G AO3401
S
R709 4.7K 1/16W C772
B Q702
C702 (NC)0.1uF/16V
PMBS3904
C704 (NC)1uF/16V
D125
0.1uF + C703
100uF/16V
LL5232B 5.6V 5%
D702 SMB340
VCC5V VCC5V
09/27 Modified by SC
R722 R723 C776
10K 1/16W 10K 1/16W 0.1uF/16V
D
R726 51K 1/16W 706
G AO3401
S
R727 4.7K 1/16W C777
B Q705
(NC)0.1uF/16V
PMBS3904
C775
D706
0.1uF + C778
100uF/16V
NC
VCC12V
VCC5V
C713 + C714
0.1uF/16V
CN702
220uF/16V R711
6 10K 1/16W
5
ON_OFF
4 R712 4.7K 1/16W
VCC5V
3
2
1 C715
B
R714 0.1uF Q703
PMBS3904
1K 1/16W
CONN
R715
C
B
Q704
1K 1/16W R716
+ C716 B
AdjBACKLITE 5
22uF/16V
PMBS3904 1K 1/16W
C
B E
+2.5VM
VCC5V+
U704
3 2
VI VO
4
VO
C720 + C726 C721 + C727
47uF/25V 0.1uF 0.1uF
47uF/25V
pin86, pin102,pin113
+2.5MVDD
,pin125,pin139,pin154
+2.5MVDD
VDDC
+2.5MVDD 5
VDDC 5
C740 C741 C742 C743 C744 C745 C746
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2.5V
FOR
DDR
L712
+2.5V_DMC
+2.5V_DMC 6
120 OHM
C767 C768
0.1uF 0.1uF
L714
+2.5V_DMQ Title
715G1765-1 for AL2051W (acer)
+2.5V_DMQ 6
120 OHM
Size Document Number
C770 C POWER
0.1uF
Date: Tuesday, January 03, 2006
VCC5V
5
VCC12V
R707
NC
R710
10K 1/16W
VCC5V+
VCC5V
R728
10K 1/16W
R713 4.7K 1/16W
onBACKLITE 7
E
+2.5MVDD
L703
120 OHM
C747 C748
0.1uF 0.1uF
Rev
1
Sheet 3 of 8