![background image](http://html1.mh-extra.com/html/viewsonic/va720-1/va720-1_service-manual_1020964011.webp)
AC-DC
POWER
AC INPUT
12V
DC-DC
CONVERTER
I101,D101,L102
5V
REGULATOR
I102
3.3V
INVERTER
U901
VGA INPUT
P103,P105
DDC
I105
ADC
I103
CONTROLLER IC
I109
Micro
CONTROLLER
I112
KEY PAD
&
LED
PANEL
DISPLAY
HIGHT
VOLTAGE
OSC
X101
EERROM
I119
LVDS
INTERFACE
I117,I118
12V
5. BLOCK DIAGRAM
ViewSonic Corporation
7
Confidential
–
Do
Not
Copy
VA720-1
VE175/b
Содержание va720-1
Страница 1: ......
Страница 10: ...4 2 EXPLODED VIEW PARTS LIST ViewSonic Corporation 6 Confidential Do Not Copy VA720 1 VE175 b 0 1 0 1 2 3 43 4...
Страница 22: ...9 PCB LAYOUT 9 1 MAIN PCB TOP VIEW ViewSonic Corporation 18 Confidential Do Not Copy VA720 1 VE175 b...
Страница 23: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation 19 Confidential Do Not Copy VA720 1 VE175 b...
Страница 24: ...9 3 CON PCB TOP VIEW ViewSonic Corporation 20 Confidential Do Not Copy VA720 1 VE175 b...
Страница 25: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation 21 Confidential Do Not Copy VA720 1 VE175 b...
Страница 26: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation 22 Confidential Do Not Copy VA720 1 VE175 b...
Страница 27: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation 23 Confidential Do Not Copy VA720 1 VE175 b...