Power Board - HP W19E Service Manual

19" LCD Color Monitor

7.2 Power Board

BD901
4A 800V
2 - + 4
100uF/450V
L902
73L 174-65-LS
C901
1000PF/250V
VAR901
C902
1000PF/250V
NC
L901
2.0MH
C903
0.47uF/275V
R902
R901 R903
680KΩ 1/4W
680KΩ 1/4W 680KΩ 1/4W
NR901
NTCR
t
F901
FUSE
2 1
CN901
SOCKET
!
R931 C930
C905 + 100KΩ 1/4W 0.0015uF/2KV
R904
100KΩ 1/4W
R938
100KΩ 1/4W
D903
0Ω 1/4W
C908
+ C907
0.1uF ZD905 NC
NC
TO PIN3
D904
1N4148W
IC901
LD7575
R910
LD7575
7 5
N.C OUT
1 3 22Ω 1/4W
RT CS
ZD904 R912
RLZ18B 10K
R913
TO PIN3
100K 0805
R911
1KΩ 1/4W
ZD906 ZD907
NC NC C909
220pF
Over voltage protection
R939
R941 C910
NC NC 470pF/50V
NC
IC904
C913
NC
R934
47 1206
R935
47 1206
R906
!
R905 47 1206
100K 2W
D908
C934
SP20150
JUMP
2
80GL17T 37 L GP
T901
6
+
D901 C936
470uF/25V
FR107
5 9
10
D909
4 7
SP20100
2 8
D902 R909
11 2
12
1 C932 C935
FR103 5.1Ω 1/4W 0.0015uF/2KV 470uF/25V
+ C906
22UF/50V
C933
0.0015uF/2KV
C900
R937
100 1206
R936
100 1206
0.0022UF R916
100 1206
Q903
STP10NK70ZFP
0805
FB901
BEAD
Over voltage protection
Over current protection R919
470Ω 1/4W
R914
0.47 2W
ZD901
RLZ13B
R920
IC902 1K 0805
C918 R926
0.1uF
2K 0805
R921
IC903
1K 0805
KIA431A-AT/P
22
L903
C931 3.5UH F903
1000PF/500V
FUSE
+ C904 +
C937
470uF/25V
470UF/25V ZD903
PTZ9.1B
L904 3.5UH F902
+ + +
C912 FUSE
470uF/25V C911
470UF/25V
ON/OFF
DIM
ZD902 C916
0.1uF
RLZ5.6B
R927
10KΩ 1/4W
R925 R923
3.6K 0805 1% 33K 0805 1%
C919
0.1uF
R922 R924
1K 0805 2.4K 0805 1%
AOC (Top Victory) Electronics Co., Ltd.
Title
1.POWER OUTPUT 12V & 5 V
Size Document Number
G1899-1-HP-X-1-060720
Date: Friday , July 21, 2006 Sheet
HP W19E
+12V
+5V
CN902
12
11 ON/OFF
10 DIM
9 NC
8 GND
7 GND
6 GND
5 GND
4 GND
3 +5V
2 +5V
1 +12V
+12V
C917
0.1uF
Rev
1
1 of 1