Power Board - Compaq W19Q Service Manual

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19" LCD Color Monitor

7.2 Power Board

BD901
4A 800V
-
+
2
4
C905
+
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
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
R941
R939
C910
470pF/50V
NC
NC
NC
IC904
C913
NC
R906
!
R905
47 1206
100K
 
2W
D908
SP20150
2
80GL17T 37
L
GP
T901
6
D901
FR107
5
9
10
D909
4
7
SP20100
2
8
D902
R909
11
2
12
1
C932
FR103
5.1Ω 1/4W
0.0015uF/2KV
C906
+
22UF/50V
C933
0.0015uF/2KV
C900
0.0022UF
Q903
STP10NK70ZFP
0805
FB901
BEAD
R919
Over current protection
470Ω 1/4W
R914
0.47
 
2W
R920
IC902
1K
 
0805
PC123X2YFZOF
C918
0.1uF
R921
IC903
1K
 
KIA431A-AT/P
22
R934
47 1206
R935
47 1206
C934
L903
JUMP
C931
3.5UH
1000PF/500V
+
+
C904
C936
C937
470uF/25V
470uF/25V
470UF/25V
L904
3.5UH
C935
+
+
470uF/25V
C912
470uF/25V
R937
100
1206
 
R936
100
 
1206
R916
100
 
1206
Over voltage protection
ZD901
ZD902
RLZ13B
RLZ5.6B
R927
10KΩ 1/4W
R925
R923
3.6K
 
0805 1%
33K
 
C919
0.1uF
R926
2K
 
0805
0805
R922
R924
1K
0805
2.4K
 
 
AOC (Top Victory) Electronics Co., Ltd.
Title
1.POWER OUTPUT 12V & 5 V
Size
Document Number
715G1899
Date:
Friday, July 21, 2006
COMPAQ W19Q
F903
+12V
FUSE
+
ZD903
PTZ9.1B
F902
+5V
+
FUSE
C911
470UF/25V
CN902
12
ON/OFF
11
ON/OFF
DIM
10
DIM
9
NC
GND
8
7
GND
6
GND
5
GND
4
GND
3
+5V
+5V
2
1
+12V
+12V
C916
C917
0.1uF
0.1uF
0805 1%
0805 1%
Rev
1 HP
1
Sheet
1
of
1

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