ViewSonic VA1930wm-1, Service Manual

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ViewSonic Corporation
Confidential - Do Not Copy
VG1930wm-1
59
Model
Title
Date Rev:
ViewSonic Corporation
Power
AC 264V RM
S
AC 264V RM
S
TO SCALER BD CN101
N
DC 700V Max.
DC 700V Max.
DC 380V Max.
AC 264V RM
S
L
AC 264V RM
S
+14V
VCC5V
R813
1K
+
C827
47u/25V
D805
SRF5-04CT
1
2
3
C822
0.
1/
50V
R820
1K
R801
1M
C802
2200p/250V
L802
5uH
R816
100R 1W
Q802
PMBT3904 NC
1
3
2
D802
MUR1100ERL
C826
12p/
1KV
R814
1K
CN801
60mm 8P
1
2
3
4
5
6
7
8
R823
51K 1%
R827
10R
R815
12K 1%
R826
200R NC
R812
10K
R805
0R24 2W
R821
1K
R802
1M
R828
10R
L803
5uH
Q804
AP2761I
1
2
3
R808
510K
R822
5K1 1%
R804
68K 2W
C814
1000p/500V
R830
10K
R817
200R
Q801
2PC1815GR
1
3
2
ZD802
16V NC
L801
20mH
4 1
3 2
T801
SPW-055
1
2
3
5
4
11
6
7
9
10
8
F801
2A/250V
R809
510K
+
C818
1000u/10V
+
C807
47u/25V
+
C804
100u/
450V
C813
1000p/500V
R819
1K
C825
0.1/50V
C808
47p/
1KV
R810
510K
IC801
LTV817M
3
1 4
2
ZD801
5V6 NC
+
C820 47u/
25V
RT801
NTC 5R
R803
18K
P801
AC_SKT
1 2 3
+
C817
470u/25V
R818
200
-+
D801
BL4-06
1
2
4
3
R811
510K
C803
0.47/275V
C812
220p/
50V
D806
1N4148
C824
0.1/50V NC
ZD804
14V
C806
4700p/400V
C809
100p/
1KV
C805
2200p/400V
1
3
2
Q803
PMBT3906
C821
0.1/100V
D803
UFF80-015CT
1
2
3
D804
A02-LF
R825
1K NC
C810
0.1/50V
C823
2200p/400V
IC802
NCP1337
1
2
3
4 5
6
7
8
BO
FB
CS
GND DRV
Vcc
NC
HV
R807
2.4K
ZD803
9V1
+
C815
1000u/25V
C811 0.
1/
50V
C
R
A IC803
TLV431ALP
C801
2200p/250V
R806
10R
R824
3K3 1%
R829
10K
BRIGHTNESS 2
VCC5V
Audio_MUTE 4
Volume 4
ON/OFF 2