ViewSonic VA1930wm-1 User Manual

ViewSonic Corporation Confidential - Do Not Copy VA1930wm-1
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8 After repair, to ensure the quality you should do the following test and adjustment
Item Content Equipment
Test OSD function
1.Signal is set as 1280x1024@60Hz
2. LCM button are from left to right, checking whether each single
function key and compound function key can be worked.
Chroma
Signal Generator
Contrast Check
1. Set input mode to 1280x1024@60Hz
2. Set Pattern to 32 gray shades
3. Set contrast to the max. The brightest 6~8 shades brightness cannot
be distinguished.
Chroma
Signal Generator
Color Temperature
1. Do “Auto color” at 640 x 480@60Hz, 5-Mosic pattern
2. Measure color temperature, check it complies with the following
temperature:
5400K x=0.335 +/- 0.02, y=0.350 +/- 0.02
6500K x=0.313 +/- 0.02, y=0.329 +/- 0.02
7500K x=0.299 +/- 0.02, y=0.315 +/- 0.02
9300K x=0.283 +/- 0.02, y=0.298 +/- 0.02
Chroma Signal
Generator and color
analyzer
Modes switching
check
1. Use Chroma Pattern Generator to make sequence.
VESA (640x480 800x600 1024x768 1280x1024), MAC 832x624
DOS (640x350 720x400), the detail supported modes and power
saving signal.
2. Confirm the above timing modes must be full screen and the
picture must be normal.
3. LED is Orange at power saving mode.
Chroma Signal
Generator
Y measurement at
default setting
1. Set brightness to default value 100 and contrast to default value
70 at 6500K
2. At full white patter, Measure Y, which should be ≥ 250cd/m²
Chroma Signal
Generator and Color
Analyzer
Panel Flicker
check
1. Mode: 1440x900@60Hz
2. Set Brightness& contrast to default value
3. Do “Auto Image Adjust”
4. Shut down PC to check whether there’s glitter on the center of the
picture.
Equipment::
Chroma Signal
Generator & PC
Power saving
1. Mode: 1440x900@60Hz
2. Pattern: full white
3. Brightness: Max.
4. Contrast: Default
5. Check power consumption at each modes
State Power Consumption LED color
Normal
≤ 42W
Green
Stand By < 2W Orange
Power Key Off
＜1Ｗ
No
Chroma signal
generator and Power
meter
AC input: 230V/50Hz

ViewSonic VA1930wm-1 Specifications

General

Brand	ViewSonic
Model	VA1930wm-1
Category	Monitor
Language	English