![background image](http://html.mh-extra.com/html/viewsonic/va902-3/va902-3_service-manual_1020978069.webp)
D901 short and I902 open
Brightness
VCC12V
ON/OFF
5V
5V
D914
1N4148
R927
2.2K/1%
R906
10
C920
330PF/50V
R933
JUMPER
R930
5.1K
R905
1.5M,3KV
R911 10
C902
22P,3KV
R912
10
R909
2.2K/1%
P901
1
2
R935
JUMPER
R937
698/1%
R936
698/1%
C924
68nF
C905
5P,3KV
C923
0.1uF
R923
110K/1%
D921
NC
C909
330PF/50V
D920
NC
T902
2374300800
7
1,2
3,4
10
5,6
C908
0.056UF/50V
C916
22P,3KV
D916
SB140
C917
0.1uF
P903
1
2
R926
91K/1%
C907
0.1uF
R921
5.1K
R922
5.1M
C901
47nF
R920
698/1%
R919
698/1%
C921
0.1uF
D905
1N4148
D908
1N4148
D907
1N4148
+
C922
470U/16V
D911
1N4148
I901
OZ9932G
1
2
3
4
5
6
7
8
SST
CT
GNDA
DRV2
DRV1
VCCA
VSEN
ISEN
D913
1N4148
D909 SB140
L901
BEAD
R929
51.1K/1%
D919
1N4148
AP9977GM
Q911
1
2
3
4
5
6
7
8
D902
1N4148
R903
NC
D906
1N4148
D901
1N4148
C911
68nF
+
C915
33uF/25V
R918
1M
R914
681 1%
C910
0.1uF
C928
0.1uF
D910
1N4148
I902
78L05
2
3
1
IN
OUT
GND
C925
0.1uF
R915
JUMPER
D903
1N4148
D912
1N4148
C927
1000P
C913
330P
C926
1000P
C912
27P
R908
10K
R916
JUMPER
D917
1N4148
Q907 2N7000 DIP SGD
AP9977GM
Q905
1
2
3
4
5
6
7
8
R924
1M
Q908 2N7002 DIP SGD
T901
2374301105>2374301204
7
1,2
3,4
10
5,6
P904
1
2
+
C906
47
0uF/16V
C919
0.056UF/50V
R910
NC
C918
5P,3KV
Q910 2N7000 DIP SGD
Q909 2N7000 DIP SGD
P902
1
2
C914
0.01uF
D915
1N4148
R932
681 1%
D918
1N4148
R925
1.5M,3KV
R907
10
R934
1M
C904
1000P
R928
NC
Q901
2SC945P
C903
1000P
10.8. INVERTER
ViewSonic Corporation
Confidential - Do Not Copy
VA902-3_VA902b-3
6
6
Содержание VA902-3
Страница 56: ...8 Exploded Diagram and Exploded Parts List ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 53 ...
Страница 57: ...ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 54 ...
Страница 71: ...11 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 68 ...
Страница 72: ...11 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 69 ...
Страница 73: ...11 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VA902 3_VA902b 3 70 ...