Power Board - Dell E1909Wc Service Manual

19" LCD Color Monitor

7.2 Power Board

BD901
!
C905
+
2 3 100uF/450V
!
KBP208G
C904 R932
300K OHM 1/4W
0.22UF275V R933
300K OHM 1/4W
!
4
C902 C901 3
0.001uF/250V 0.001uF/250V 2
1
R915
! !
100K 1/8W
FG
L902
2 1
!
3 4
30mH
!
C903
0.47uF/275V
!
!
!
R901 R903 C928
620K 1/4W 620K 1/4W 0.001uF
R902
620K 1/4W
VAR901
NR901
NTCR F901
!
t
NC
FUSE
!
FG
SOCKET
2 1
!
CN901
C906
R905 0.0015uF/2KV
510K OHM 1/4W
R904
300K OHM 1/4W
D900
R906 PR1007R
510K OHM 1/4W
D901 PS102R
C908
+
22uF/50V R907
510K OHM 1/4W FB901
BEAD
5 1
RT NC B
6
VCC CS
7 D903 3
COMP VCC C
8
GND OUT
2
E
IC901
BAW56
LD7552BPS C907 ZD903
0.1uF RLZ22B
R910
10R 1/4W
R912
ZD904
220R 1/8W
RLZ22B
C909 R938
10K 1/8W
470pF/25V
GND1
GND
1
2
FG
100 1/4W R918
100 1/4W R919
C912
100 1/4W R920 0.001uF
100 1/4W R936
T901 1 3
POWER X'FMR
4 9 D906
FMEN210A
R908
100K 2W 5 7
R935 100 1/4W
C929
6 11 0.001uF
1 R961 100 1/4W
10
R962 100 1/4W
2
8
R909
10R 1/4W
D907
12
31DQ06FC3
!
!
Q901
STP10NK70ZFP
IC903 R925
PC123X2Y FZOF 1K 1/10W 1%
!
C924 0.1uF/25V
R914
0R43 5% 2W
R926
IC904 1K 1/10W 1%
KIA431A-AT/P
C925
NC
C921
0.0047UF/400V
+5V
38
L904
1.1uH
C917
C918
+ +
680UF25V
R921
680UF25V 100 OHM 2W
Q902
KTD1028
L903
1.1uH
+
C915 C916
470uF/16V 0.47uF
R924
C939
+
1000uF/25V 180R 1/10W 5%
ZD922
ZD921
RLZ5.1B
RLZ16B
D915
D916
LL4148
LL4148
R942
1K 1/10W 1%
9
8
7
6
5
4 CN902
3 CONNECTOR
2
C930 1
1uF
DIM
ON/OFF
Title
PWPC8942MY A1 FOR DELL 19寸 POWER CIRCUIT
Size Document Number
B G2853-1-2-X-3-080703
Date: Thursday , July 03, 2008
Dell E1909Wc
+12V
ZD902
RLZ16B
C931
R929
ZD901
1K 1/8W 1uF
NC
C910
1000pF
+5V
R940
33K 1/10W
R927
3.6K 1% 1/10W
R930
2.4K 1% 1/10W
Rev
1
Sheet 1 of 2