ViewSonic N1930w-2M Service Manual page 73

19” lcd tv
Table of Contents

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8.12. INVERT
F901 JP
12V
D902
NC
R906
5V
I902 NC
22
3
1
IN
OUT
C935
2
GND
47u/16V
C903
NC/Option
Brightness
R905 470K
C929
47n/X7R
R907
150K
TV
R904
R941
10K
47K
ON/OFF
R901
4K7
Q901
1
3906
R902
R903
NC
10K
2N7002/SOT23
Z905
Q907
R959
5.6V
C942
1M
10n
ViewSonic Corporation
+12V REF
Z902
R943
R916
100
5.1K
ZD401 5.6V
D905
C920
1N4148
47N
R944 100
C936
NC
D906
1N4148
1
16
DRV1
PGND
2
15
VDDA
DRV2
R957
1M
3
14
TIMER
GNDA
4
13
DIM
CT
5
12
ISEN
SSTCMP
6
11
VSEN
LCT
R908
R909
10K
1.25M
7
10
OVPT
ENA
C904
C943
8
9
NC
NC
C927
1u
10n
2.2u
R911
560K
I901 OZ9938
R949
10k
2N3904/SOT23
Q901 TV
TV
R910
C908
OPTION
C905
OF
R942
1M
1000P
10n
POSITION
0
Q901
D910
1N4148/SMD
D916 1N4148/DIP
D911
BAV70/SOT
R961
3.3M
R962
3.3M
BAV70/SOT
D912
R963 3.3M
R952 1M
R969
100K
R968
R967
33K
33K
R953
33K
70
N1930w-2M
Confidential - Do Not Copy
C912
C921
470u/16V
0.1u
R920 10
C945
R914
R948
1u/0603
4
G2
1M
23.2K/1%
3
R921 10
Q905
FW342
2
G1
S
1
C910
820P/NPO
68n/X7R
4
G2
C911
C944
3
6.8n/X7R
Q911
2
G1
C947
FW342
R915
1
0.1u
NC
Z903
R945
R919
R918
5.1K
5.6V
10
10
R946 100
C922
D908 1N4148
47N
D909 1N4148
R947 100
R931
R954
R956
R958
C919
10K
NC
NC
NC
NC
C925
47/3KV.SL
C931 47P/3KV.SL
1
5
D
2
6
D
7
CHOKE
D
T901
8
1.2
8
D
C902
3
C924
5.6
7
TRANSFORMER CT_3
C917
47P/3KV/SL
5
D
3P
C930
R925 100K
6
D
7
D
R926
47P/3KV/SL
8
D
15K
C918
470P
R929
3M/2W
C923
Oohm
R960
0ohm
Q906 NC
D915
0 ohm
D904
1N4148
R932
330
P901
1
2
P902
1
2
L901
3
4
CHOKE
L902
P903
1
2
P904
1
2
R939
NC
D903
BAV99/SOT
R971
O ohm

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