![background image](http://html1.mh-extra.com/html/viewsonic/vg2030wm-1/vg2030wm-1_service-manual_1021099052.webp)
8
.
10
.
POWER
HS1
HS2
HS3
12V
ON/OFF
DIM
5V
5V
GND
GND
5V
GND
LEOCO 2010
SOCKET
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
12V
ON/OFF
DIM
R809
NC
R813
270R 1/4WS
I802
TLP621
4
3
1
2
+
C808
33uF/50V
C802
0.1uF X2
C826
NC Y2
D809
RLZ15
R806
619K F
J803
JUMPER
1
2
+
C825
470uF/16V
P801
LEOCO 2012
1
2
3
4
5
6
7
8
9
R821
5.6K
D807
NC
C829
4700pF Y2
S801
AC IN 100~240V
N
L
FG
L805
JP
C815
0.01uF Y2
R815
1.8K
D806
RLZ20B
R831
47K / 1WS
R835
0.3R/ 2WS
R828
10K
R808
107K F
+
C821
470uF/25V
R826
100
C813
2.2uF/16V
C822
1000PF/1KV
R807
10K 1/4WS
R829
1.8K
R824
12.1K F
D804
MM4148
T2.5A/250V
F801
R833
10 1W
+
C805
120uF/400V
R812
10K
R801
10 3A
R823
20K F
L803
ET20 30mH
I801
LD7575
6
5
8
2
4
1
7
3
Vcc
Drv
HV
FB
GND
Adj
NC
CS
C801
0.22uF X2
R814
0R
D808
RLZ15
R810
0R
C810
NC
TL431D
I803
D803
UF4004G
R817
NC
C817
0.1U
Q801
AP2761GI-A
Q803
NC
3
2
1
+
C820
1500uF/16V
C818
0.1uF
D810
SRF10120
D812
SB1060
R822
150K F
R816
NC
Q804
KSC2328
Q802
NC
3
2
1
R832
10R/2W
+
C824
NC
R811
33
R802
560K
C811
1000P
R836
0R
L806
BEAD
D802
UF4007
L801
3.5*9*0.8
+
C823
1500UF/16V
R827
1K
C816
0.047U
+
C809
10UF/50V
-+
D801
BUG4K
R834
100R/3WS
C814
NC
R825
0R F
R804
619K F
R830
NC
C819
1000PF/1KV
C830
1.0uF/16V
R803
560K
R819
1K 1/2WS
C828
4700pF Y2
C804
470pF Y2
R805
619K F
C803
470pF Y2
D805
NC
D813
NC
C812
1000P
C827
NC
R818
22R
C806
0.01uF/250V
R820
NC
L808
5.2UH
L807
5.2UH
L802
3.5*9*0.8
C807
NC
T801
DS3319
1
5
4
2
8
6
10
10
49
ViewSonic Corporation
Confidential - Do Not Copy
VG2030wm-1
Model
Title
Date
Rev:
ViewSonic Corporation
POWER
Summary of Contents for VG2030wm-1
Page 39: ...36 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 6 Troubleshooting Flow Chart...
Page 40: ...6 1 NO POWER 6 2 MCU NO FUNCTION 37 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 41: ...6 3 NO DISPLAY 38 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 7 Block Diagram...
Page 54: ...9 2 MAIN PCB BOTTOM VIEW 51 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 55: ...9 3 CON PCB TOP VIEW 52 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 56: ...9 4 CON PCB BOTTOM VIEW 53 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 57: ...9 5 IR PCB TOP VIEW 54 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 58: ...9 6 IR PCB BOTTOM VIEW 55 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 59: ...9 7 POWER PCB TOP VIEW 56 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 60: ...9 8 POWER PCB BOTTOM VIEW 57 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...
Page 62: ...59 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...