ViewSonic Corporation Confidential - Do Not Copy VA1930wm-1
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2 GENERAL specification
Test Resolution & Frequency 1440x900 @ 60Hz
Test Image Size Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 70%, Brightness = 100%
3 VIDEO INTERFACE
Analog Input Connector DB-15 (Analog), refer the appendix A
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 Video RGB (Analog) – Separate,
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
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, 1152 x 864, 1280 x 960, 1280 x
1024,1440x900
Exclusions Not compatible with interlaced video
4 POWER SUPPLY
Internal Power Supply Part Number:RLPR-025
Input Voltage Range 90 to 264 VAC
Input Frequency Range 47 to 63 Hertz
Short Circuit Protection Output can be shorted without damage
Over Current Protection 4 A typical at 14.2 VDC
Leakage Current 3.5mA (Max) at 254VAC / 60Hz
Efficiency 80% typical at 115VAC Full Load
Fuse Internal and not user replaceable
Power Dissipation 38 Watts (typ)
Max Input AC Current 0.8 Arms @ 90VAC, 0.4 Arms @265VAC
Inrush Current (Cold Start) 40 A @ 120VAC, 60 A (max) @ 220VAC
Power Supply Cold Start
Shall start and function properly when under full load, with
all combinations of input voltage, input frequency, and
operating temperature
Power Supply Transient Immunity Shall be able to withstand an ANSI/IEEE C62.41-1980
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