ViewSonic VS10047 Service Manual page 60

10.6. Inverter
F901 7A
VCC12V
R903
10 (5V)
NC(3.3V)
5V
R905
R906 22K 1%
10K 1%(3.3V)
27K 1%(5V)
Brightness
R907
18K 1%
R911
5.1M
R910
NC
J950
JUMPER
ON/OFF R909 100
Q902
2SC945
+
C925 R901
NC 10K
Q903
NC
C908
47PF
ViewSonic Corporation
I902
78L05(3.3V)
NC(5V)
IN Out
GND
D915
P6KE30A
D902
1N4148
+ Q906
C901 AP9960J
22uF 50V +
C906 C920
22uF/50V 0.1uF
I901 OZ9RR
1 8
SST ISEN
2 7
CT DIM
3 6
GNDA VDDA
R918
1M
4 5
DRV2 DRV1
C915
C907 0.01uF
0.047uF
C909
330PF
Q908
AP9960J
Confidential - Do Not Copy
57
+
C902 C903
0.1uF 470uF 16V
T901
1 8
4
3
6 9
R932 R917
10 10 EEL-19
C926 C905
6800PF 6800PF
Q907 1N4148
AP9960J
1N4148
+
C910
470uF 16V
T902
1 8
4
3
C904 R916
6 9
6800PF 10
C927 EEL-19
R933 6800PF
10
Q909
AP9960J
D916
P6KE30A
VE710s/b-2
VA721
C912
L901 39pF/3KV
EE-8.3
3 4
C911
15pF/3KV C913
1 2
39pF/3KV
C923
Q904
0.015uF 2N7002K
SOT-23
C921
R930
1M 0.1uF
R922 5.1K
D903
D906 1N4148
D904
L902 C917 39pF/3KV
EE-8.3
3 4
C916
15P,3KV
1 2
C918 39pF/3KV
C922 Q905
0.015uF 2N7002K
SOT-23
R931 C924
1M 0.1uF
R926 5.1K
D910 1N4148
P901
4
H
3
H
1
L
D913 R921
1N4148 392 1%
D907 D908
1N4148 1N4148
D905 1N4148
R923
221 1%
C914
0.047uF
P902
4
H
3
H
1
L
R927
D914 1N4148 392 1%
D911 D912
1N4148 1N4148
D909 1N4148
R928
221 1%
C919
0.047uF