![background image](http://html1.mh-extra.com/html/viewsonic/va1930wm-1/va1930wm-1_service-manual_1020713008.webp)
ViewSonic Corporation
Confidential - Do Not Copy
VA1930wm-1
5
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
Содержание VA1930wm-1
Страница 5: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 2 4 Handling and Placing Methods...
Страница 6: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 3...
Страница 38: ...Disassembly Procedure Adjust Stand ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 35...
Страница 39: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 36...
Страница 40: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 37...
Страница 47: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 44 6 Black Screeqn and backlight turn on...
Страница 52: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 49 8 Exploded Diagram and Exploded Parts List...
Страница 55: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 52 9 Block Diagram...
Страница 63: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 60 11 PCB Layout Diagrams...
Страница 64: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 61...
Страница 65: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 62...
Страница 66: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 63...