Power Board - Asus MW221 Service Manual

22" LCD Color Monitor

6.2 Power Board

715G2101-2
J928
J927
R911
N.C
R912
N.C
C911 R913
N.C N.C
VCC3
8
VCC
N.C
3
MUL
R930
NC
C915 R914
N.C N.C
C919 C916
N.C N.C
BD901
GBU805
1 3
L902
JUMP WIRE
VR901
v aristor
R901 R902 R903
680K 1/4W 680K 1/4W 680K 1/4W
C907
0.22uF/275V
L901
3 4
2 1
7.0mH
C906
0.22uF/275V
RT901
1000PF/250V NTCR
C901 C902
1000PF/250V L903
L
L
F901
CN901
FUSE
SOCKET
1 2
0
0 D901
95G 90 23 R927
L911
N.C C921
R923 + + C912
N.C 100uF/450V R928
N/C
R918
NC R929
R919 R924
IC902
N.C N.C
1 8
RT HV
Q901 2 7
COMP NC
D903 N.C 2 1 3 6
CS VCC
IC901 N.C 4 5
GNDOUT
7 1 ZD952
OUT
R925 N.C
LD7575PS
4 N.C
IS
R920
N.C
R921
C917 N.C
N.C
R939 VCC1
C918
N.C
N.C
R926
N.C C920
0.001uF
TL951
TL431ACLPR
R908 10 1/4W
PF
VCC3 VCC1
Q955 Q954
NC NC
R958
0 1/8W
+ C940 +
22uF/50V
R959 C970
NC ZD951 N.C
R961
0.1uF
NC
R962
NC
12V
PC952
N.C
Q956
NC
ON/OFF
R963
NC
C908
0.001uF
T901
POWER X'FMR
1
7
4.7K 1/4W
R940
C913 100K 2W
0.0022uF/1KV 10
11
D904
3 12
4.7K 1/4W
4
FR107
D905 LL4148 9 SP10150
8
6
4.7K 1/4W R964
R938
Q902
C905
STP10NK70ZFP
NC
10 1/4W
R965
3300PF/250V
R943
470 1/4W R941 C966 100 1/4W
R966
C930 0.2 2W 0.001uF
470pF
D952
D906
2
FR107
12V +12V' +24V
R951
470 1/4W
R952
PC951 12K 1/4W SRF20200C
PC123X2Y FZOF
C961
R956
R954 130K 1/10W
2.4K 1/10W 0.1uF
0.1uF C853
1
R953 2.7K 1/10W
Q801
R904 1 8
S D
33K 1/10W 2 7
S D
C802 3 6
S D
1uF/25V C809 4 5
G D
0.1uF
AO4411L
IC801
LM3485
8 4
VIN FB
7 3
PGATE N.C
R801 C803
C801 36KΩ 1/10W 0.001uF 6 2
+
PWGND AGND
CN801 220uF/25V
5 1
ADJ ISENSE
1
2
3
4
5
6
7
8
9
10
11
12
13
CONN
5V/2.5A
L952
95G 90 23
+
C958
N.C
2
+12V
4
6
ON/OFF
8
DIM
10
12
14
23
R905 100 1/4W
R906 100 1/4W
R907 100 1/4W
D907
L954
2
2.13uH
R957
+ 220 2W
C953
470UF/50V
C957
0.1uF
D950
28.1V(26.7~29.5V)
SMAJ24A
100 1/4W
12V
F904
L953
+12V' 95G 90 23
95G 90 23
+ + +
C951 C952 C955
470UF/50V N.C N.C
L801
22uH
D801
R804
D802 22 1/4W + C806 + C807
N.C 470uF/16V 470uF/16V
SBM84PT
C810
0.001uF
R802 C804
62K 1/10W 0.001uF
D9553
LL4148
R803 C805
20K 1/10W 470pF
D9757
LL4148
D9756
LL4148
+12V
+5V
5.25~5.3V
0.06~3A R9758
100mVpp/20MHz 3.3K 1/4W
R9757
2K 1/4W
CN903
Q957
PMBS3904
1
+5V
3
5
7
9
11
13
CONN
22" LCD Monitor
Title
Size Document Number
G2101-1-X-X-1-060815
Date: Tuesday , August 15, 2006
ASUS MW221
+24V
22.0~30V
0~1.4A
240mVpp/20MHz
+12V
11.4~13.0V
0.05~1A
150mVpp/20MHz
C808
0.001uF
ZD9753 MTZJ T-72 33B
1 2
+24V
ZD9755 MTZJ6.2B
1 2
+5V
ZD9754 MTZJ T-72 15B
1 2
+12V
VCC1
R9760
6.8K 1/16W
PF
PC953
PC123X2YFZOF
Q958
2N5060RLRAG
C9753
R9759
2K 1/4W 0.47uf 16v
Rev
1
Sheet 1 of 1