![background image](http://html1.mh-extra.com/html/viewsonic/va721-2/va721-2_service-manual_1020970064.webp)
MST8111A
Triple ADC
Interface
Clock
Gen.
Host
Interface
Panel
Interface
Panel
Interface
Control
Analog
RGB
Crystal
14.318MHz
EEPROM
24C08
CPU
MTV312V64
17” Panel
Backlight
Power
Board
Backlight
Control
Inverter
ON/OFF
Keypad
Switch
Si2301DS
ISP
Crystal
11.0592MHz
SCL/SDA
RST
IRQ
CSZ
Brightness
5V
12V
DDC-SCL
DDC-SDA
LVDS1+ / LVDS1-
LVDS2+ / LVDS2-
CLK+ / CLK-
HSYNC / VSYNC
AR , AG, AB
1. System block
9.
Block Diagram
ViewSonic Corporation
C
onfidential
-
Do
Not
Copy
VA721
-2
61