ViewSonic VTMS2431 - Page 83

8.13. INVERT
TV
TV
OPTION
OF
POSITION
Q901
PWM/JP
PWM/NC
PWM/NC
PWM/NC
(33n option)
( option)
(JT240OPTION 2.2u)
OPTION
OPTION
OPTION OPTIONOPTION
19V
Brightness
ON/OFF
5V
+19V REF
R949 10k
C920
47N
C903
NC/Option
D905
1N4148
Q907
2N7002/SOT23
D910BAV70/SOT
R959
330K
R976
220K
*
*
L901
CHOKE
1 2
34
D902
NC
C927
10n
P901
1
2
R909
30k
C937
3P/3KV/SL
C958
5P/6KV
R973
20K
T902
101.2.3
74.5.6
D914
BAV99/SOT
C902
3P/3KV/SL
C922
47N
C942
153
C934
104
R977 270
R906
10
R974 3K
D909 1N4148
R911
51K
R972
3K
C905
1000P
C943
1u
C912
470u/35V
R975
3K
I901 OZ9938
1
2
3
4 13
12
116
5
14
7 10
8 9
15
16
DRV1
VDDA
TIMER
DIM CT
SSTCMP
LCTVSEN
ISEN
GNDA
OVPT ENA
NC NC
DRV2
PGND
C948
0.1u
R946 33
Z905
NC
R978 374
C936
NC
C921
0.1u
C957
NC
Q901 TV
2N3904/SOT23
R968
3K
S
G2
D
S
D
D
G1
D
Q911
FW342
1
2
3
4
6
5
7
8
Q901
3906
3
1
2
C932
0.1u
*
*
L902
CHOKE
1 2
34
C950
5P/6KV
C929
NC
R916 33
C941
105
R944 33
C956
103
P904
1
2
C952
NC
D915
BAV99/SOT
R932
10K
R953
3K
C940
5P/6KV
D907
BAV99/SOT
C908
10n
C951
103
R947
33
I902 NC
3 1
2
IN OUT
GND
C947
0.1u
C946
0.1u
D906 1N4148
C939
NC
R903
10K
C910
33n/X7R
R928 NC
R970
3K
C938
103
R905 220K
Q906
2N7002/SOT23
R918
0
C904
2.2u
C913
470u/35V
R972 NC
R957
1M
R942
0
R914
1M
R901 4K7
R923
0
R962
3K
F901 JP
C962
103
D913
BAV99/SOT
R961
3K
R960 3K
R919
0
D903
BAV99/SOT
R904
47K
R908
10K
P903
1
2
C955
5P/6KV
R927
3K
C933
104
C954
NC
Z903
13V
R963
3K
R969 3K
S
G2
D
S
D
D
G1 D
Q905
FW342
1
2
3
4
6
5
7
8
R971
3K
D911
BAV70/SOT
C953
NC
C944
6.8n/X7R
R952
20K
R948
23.2K/1%
R921 0
R945
5.1K
R943
5.1K
R967
20K
Z902
13V
C911
820P/NPO
C923
104
D912
BAV70/SOT
R920 0
C935
47u/16V
C960
NC
R915 240K(PWM)
C919
223
C959
NC
R902
NC
D908 1N4148
C925
103
R941 10K
C945
1u/0603
P902
1
2
R910
1M
T901
101.2.3
74.5.6
R939 3K
R907
150K
C961
NC
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