Power Board - Dell 1907FPc Service Manual

6.2 Power Board

BD?
3 2
D3SBA60
L902
L
C903
+
120uF/450V
C902
0.001uF/250V
C901
0.001uF/250V
C905
L901 0.1uF /50V
L
IC901
LD7552
C900 0.47uF/250V R911
100K 1/10W
R901
330K 1/8W R914
10K
R900 R902
330K 1/8W 330K 1/8W
NR901
NTCR
t
F901
2A/250V
2 1
CN901
SOCKET
R903 R906 R909
430K 1/8W 510K 1/8W 100K 2W
C904
1500pF/1KV
D900
R904 R907 BA159GPT
430K 1/8W 510K 1/8W
D901
UF4003PT
R910
C906 2.2 1/8W
+
22uF/50V
R905
430K 1/8W R908
510K 1/8W
R912 Q900
STP10NK70ZFP
10 1/4W
4 8
LD7552
R913
1K 1/4W
5 6
C907
220pF /50V
R916
R915 0.3 2W
10K 1/10W
1/10W
C934
0.022uF/25V
R917
100 1/10W
R918
75K 1/10W
IC903
KIA431A-AT/P
1
C908 R919
0.1uF/25V 100K 1/10W
R920 C920
47 1/2W 0.001uF/500V
D920
FME-220B
T901 2 L921 L
3
10
O
C922 C924
+ +
9 1000uF/25V 1000uF/25V
R921 C921
47 1/2W 0.001uF/500V
8
O
L922 L
1 6
5 2 C923
+
1000uF/25V
D921
7 FMW-2156
4
O
C932
0.0022uF/250V
R922
220 1/4W
ZD921 ZD922
RLZ13B RLZ5.1B R923
NC
D922 D923
MLL4148 MLL4148
R925
IC902 1K 1/10W
PC123FY2 4P
C929
NC
C930
0.1uF /50V
R927
1K 1/10W
IC921 R928
KIA431A-AT/P 3.9K 1/4W
1
35
F902
C925 0 1/8W
+
470uF/25V
ZD920
PTZ9.1B
C926
+
470uF/25V
IC922
1 2
Vin Vo
3
GND
4
Vdis
C935
+
470uF/25V
KA278R12CTU
R930
1K 1/6W
R931
4.7K 1/6W
R924
3.6K 1/10W 1%
Q921
KTC945P
R926
33K 1/10W 1% Q922 1
KRC102M
CN902
1
ON/OFF
2
DIM
3
+12V
4
5
6
7
+5V
8
9
10
11
12
R929
2.4K 1/10W 1%
CONN C927
C931 0.1uF /50V
0.1uF /50V
Dell 1907FPc
+12V
+5V
LB901
BEAD CN903
3
1
2
DC JACK
C936 C937
0.1uF/50V
0.1uF/50V
C938
0.1uF/50V