ViewSonic VS11618 Service Manual page 76

11.7 A-D Power
!
BD901
GBU408
+
-
4 1
C905
+
100uF/450V
L902
L
C901
VAR901 1000PF/250VAC
C902
1000pF
NC
L901
L
C903
0.47uF/275V
R901 R903
680KΩ 1/4W 680KΩ 1/4W
R902 ZD906
680KΩ 1/4W
Over voltage protection
NR901
NTCR
R941
t
NC
F901
FUSE
CN901
2 1
SOCKET
ViewSonic Corporation
R905
R931 100KOHM +-5% 2w
3.9KΩ 1/4W
C930
0.0015uF/2KV
R904
3.9KΩ 1/4W D901
FR107
R938
3.9KΩ 1/4W
D903 D902
0R05 1/4W FR103
+ C906
22uF/50V
C908 + C907
0.1uF ZD905 NC
NC
TO PIN3
D904
LL4148
IC901
1 8
RT HV
2 7 Q903
COMP NC
STP10NK70ZFP
3 6
CS VCC
4 5 R910
GNDOUT
22R 1/4W R912
10K 1/8W
LD7575PS
ZD904
RLZ18B
FB901
TO PIN3
BEAD
Over current protection
R911
C909 1K 1/4W R914
220pF
NC 0.47 OHM +-5% 2w
R939 C910
470pF/50V
NC
IC904
NC
C913
NC
R934
47Ω 1/4W
R935
47Ω 1/4W
R906
!
47Ω 1/4W
C934
JUMP C931
0.001uF/1KV
2
80GL17T 37 L GP D908
T901 SP20150
6
C936
+
470UF/25V
5 9
10
7
D909
4 8
SP20100
2
R909
5.1Ω 1/4W 11 2
12
1 C932
0.0015uF/2KV C935
POWER X'FMR
470UF/25V
C933
0.0015uF/2KV
C900 R937
0.0022uF/250V 100Ω 1/4W
R936
100Ω 1/4W
R916
100Ω 1/4W
Over voltage protection
R919
470R 1/4W
ZD901
RLZ13B
IC902
TCET1103G R920
1K 1/8W
C918 R926
0.1uF 1K 1/8W
R921
IC903
1K 1/8W
H431BA
- 76 –
Confidential - Do Not Cop
R928
0Ω 1/4W
L903
3.5uH
C937
C904 470UF/25V
+ +
470UF/25V
ZD903
PTZ9.1B
L904
3.5uH
+ + +
C912 C911
470UF/25V 470UF/25V
ON/OFF
ZD902 C916
RLZ5.6B 0.1uF
R927 R925
10KΩ 1/4W 3K6 1/8W
R923
33K 1/8W
C919
0.1uF
R922
1K 1/8W
R924
2.4KΩ 1% 1/8W
TPV (Top Victory) Electronics Co., Ltd.
Title
1.POWER OUTPUT 12V & 5 V
Size Document Number
G1899-1A-VS-X-2-20061211
Date: Thursday , December 14, 2006
VA1903wb/VA1903wm
+12V
R932
0Ω 1/4W
+5V
CN902
12
11 ON/OFF
DIM
10 DIM
9 NC
GND
8
7 GND
6 GND
5 GND
4 GND
3 +5V
2 +5V
1 +12V
+12V
C917
0.1uF
Rev
1
Sheet 1 of 1