Power Board - HP LE1851w Service Manual

18.5" LCD Color Monitor

7.2 Power Board

!
2 3
BD901
KBP208G
C907
+
100uF450V
!
C904
!
0.22uF/275V !
C911
0.1uF
L901
30.0mH
!
C908
!
0.22uF/275V
C901
1000pF R915
100K OHM 1% 1/8W
R902
!
!
680K OHM 1/4W
R901
R900
!
680K OHM 1/4W
680K OHM 1/4W
C928
0.01uF
!
VAR901
Varistor
N.C
NR901
NTCR
!
!
t
!
F901
C902
FUSE
1000pF
HEAT SINK(Q901_Q90G6263-1)
2 1
CN901
!
SOCKET
87G 501 32 S
R904 R905 R908
300K OHM 1/4W NC C906
1500PF2KV
100KOHM +-5% 2WS
C938
1500pF2KV
R932 D900
300K OHM 1/4W R906 FR107
NC
ZD906 D901 R909
RLZ22B FR103 5.1 OHM 1/4W
C903
+
22uF/50V
R933
300K OHM 1/4W R907
NC
D903
LL4148
!
IC901
4 5
RT NC
3 6 Q901
VCC CS
2 7 R910 2SK2645-54MR
COMP VCC
1 8 10R 1/4W
GND OUT
R938
ZD905
10K 1/8W
LD7552BPS
RLZ18B
FB901
BEAD
R912
220 OHM 1/4W
R914
C909 0.47 OHM +-5% 2WS
470pF/25V
GND1
GND
1
2
HS2
HEAT SINK(D906_Q90G6263-3)
1
2
HS3
1
2
R918
100 OHM 1/4W
R919
100 OHM 1/4W
C912
0.001uF
R920
100 OHM 1/4W
C917
+
680uF 25V
!
T901 1 3
D906
4 9
FCH10U10
10
5 7
8
11
6 12
2
1
POWER X'FMR
D905 31DQ06FC3
R961 100 OHM 1/4W
R962 100 OHM 1/4W C929 + C940
0.001uF 1000uF 25V
!
R935 100 OHM 1/4W
R925
IC902 1K 1/8W
PC123X2Y FZOF
C924
0.1uF R926
1K 1/10W 1%
IC903
AZ431AZ-AE1
C900
3300pF 250V
C925
NC
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
24
L904
1.0uH
R946
C918 C922 150 OHM 2W
+ +
470PF50V
680uF 25V
Q903
PMBS3904
L903
1.0uH
R924
150R 1/8W
ZD922 ZD921
RLZ5.1B RLZ13B
R940
33K 1/10W
R927
3.6K OHM 1% 1/10W
D916
LL4148 D915
LL4148
R942
1K 1/10W 1%
R930
2.43K OHM 1% 1/10W
+5V
DIM
ON/OFF
HP LE1851w
Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
G2852-C-HP-X-1-090213 PWPC9821MHA1/PWPC9821SHA1
2.POWER PCB NAME 715G2852-C-HP
Thursday , February 26, 2009 Sheet 2 of 3
HP LE1851w
+12V
ZD902
C930
RLZ13B
0.1uF
R943
470R 1/8W
C932 R939
1K 1/8W
0.001uF
F903
+5V
NC
C915
+
470UF16V
F905
0 OHM 1/4W
CN902
1
2
3
4
5
6
7
C931 8
0.1uF 9
10
Wire Harness
Size Custom
C
Rev
ODM MODEL
称爹