- 33 –
ViewSonic Corporation
Confidential - Do Not Cop
VP950b
(a)Select and enter “Manual Image Adjust” function on OSD Main Menu.
(b)Then, select and enter “Horizontal Size” or “Horizontal/Vertical Position” function
to adjust the video boundary to be full scanned and within screen frame.
White Balance
Test Signal: 1280*1024@60Hz
Test Pattern: White and Black Pattern
1.5.8 R, G, B, Colors Contrast
Test Signal: 1280*1024@60Hz
Test Pattern: R, G, B, Color Intensities Pattern and 16 Gray Scale Pattern
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Check and see if each color is normal and distinguishable.
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If not, please return the unit to repair area.
Screen Uniformity and Flicker
Test Signal: 1280*1024@60Hz
Test Pattern: Full White Pattern
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Check and see if it is in normal condition.
1.5.10 Dead Pixel and Line
Test Signal: 1280*1024@60Hz
Test Pattern: Dark and White Screen Pattern
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Check and see if there are dead pixels on LCD panel with shadow gauge and
filter film.
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The total numbers and distance of dead pixels should be compliant with the
spec.
Mura
Test Pattern: White, RGB, Black, & Grey
Test Tool: 10% ND Filter
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Check if the Mura can pass 10% ND Filter.
Check for Secondary Display Modes
Test Signal:
Analog: 640*480@60/75Hz;
720*400@70Hz; 800*600@56/60/72/75Hz;
1024*768@60/70/72/75Hz; 1280*1024@60/75Hz
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Normally when the primary mode 1280*1024@60Hz is well adjusted and
compliant with the specification, the secondary display modes will also be
compliant with the spec. But we still have to check with the general test pattern to
make sure every secondary is compliant with the specification.
All Modes Reset
After final QC step, we have to erase all saved changes again and restore the
factory defaults. You should do “All Mode Reset” again.
Power Off Monitor
Turn off the monitor by pressing “Power” button.
5.6 Firmware Upgrade Procedure
When you receive the returned monitor, please check whether the firmware version is
the latest. If not, please do the following procedures to upgrade it to the latest version.
1 Equipment Needed
Summary of Contents for VP950B - 19" LCD Monitor
Page 25: ... 25 ViewSonic Corporation Confidential Do Not Cop VP950b Block Diagram ...
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Page 48: ... 48 ViewSonic Corporation Confidential Do Not Cop VP950b 5 9 Packing Procedure ...
Page 49: ... 49 ViewSonic Corporation Confidential Do Not Cop VP950b 6 Troubleshooting Flow Chart ...
Page 68: ... 68 ViewSonic Corporation Confidential Do Not Cop VP950b Packing For Shipping ...
Page 83: ... 83 ViewSonic Corporation Confidential Do Not Cop VP950b 12 2 MAIN BOARD PCB BUTTON VIEW ...
Page 84: ... 84 ViewSonic Corporation Confidential Do Not Cop VP950b 12 3 POWER PCB TOP VIEW ...
Page 85: ... 85 ViewSonic Corporation Confidential Do Not Cop VP950b 12 4 POWER PCB BUTTON VIEW ...
