![background image](http://html1.mh-extra.com/html/viewsonic/va2012w-2/va2012w-2_service-manual_1020743007.webp)
ViewSonic Corporation
Confidential - Do Not Copy
VA2012w-2_VA2012wb-2
4
2. Specification
GENERAL specification
Test Resolution & Frequency
“1680 X 1050” @ 60Hz
Test Image Size
Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 70%, Brightness = 100%
VIDEO INTERFACE
Analog Input Connector
DB-15 (Analog), refer the appendix A
Digital Input Connector
N/A
Default Input Connector
Defaults to the first detected input
Video Cable Strain Relief
Equal to twice the weight of the monitor for five minutes
Video Cable Connector DB-15 Pin out
Compliant DDC 1/2B
Video Signals
1. Video RGB (Analog) :Separate
2. TMDS (Digital)—N/A
Video Impedance
75 Ohms (Analog)
Maximum PC Video Signal
950 mV with no damage to monitor
Maximum Mac Video Signal
1250 mV with no damage to monitor
Sync Signals
TTL
DDC 1/2B
Compliant with Revision 1.3
Sync Compatibility
Separate Sync
Video Compatibility
Shall be compatible with all PC type computers, Macintosh
computers, and after market video cards
Resolution Compatibility
640 x 350, 640 x 480, 720 x 400 (640 x 400), 800 x 600,
832 x 624, 1024 x 768, 1280 x 720, 1280 x 1024, 1600 x
1200, 1680 x 1050
Exclusions
Not compatible with interlaced video
POWER SUPPLY
Internal Power Supply
Part Number: EADP-64CF
Input Voltage Range
90 to 264 VAC
Input Frequency Range
47.5 to 63 Hertz
Short Circuit Protection
Output can be shorted without damage
Over Current Protection
Output current <10A
Leakage Current
3.5mA (Max) at 254VAC / 60Hz
Efficiency
80 % typical at 115VAC Full Load
Fuse
Internal and not user replaceable
Power Dissipation
64 Watts (typ)
Max Input AC Current
1.5 Arms @ 90VAC
Inrush Current (Cold Start)
80 A(max) @230VAC
Power Supply Cold Start
Shall start and function properly when under full load, with all
combinations of input voltage, input frequency, and operating
temperature