ViewSonic VS11307, Servise Manual

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VX1935wm
-1
17
Test Signal: 1440x900@60Hz
Test Pattern: Line Moire Pattern
- Check and see if the image has noise and focus performs well. Eliminate visual line
bar.
- If not, readjust by the following steps:
(a) Select and enter “
Fine Tune
” function on “
Manual Image Adjust
” to adjust the
image
to eliminate visual wavy noise.
(b) Then, select and enter “
Sharpness
” function to adjust the clarity and focus of the
screen image.
1.5.6 Boundary
Test Signal: 1440x900@60Hz
Test Pattern: Horizontal & Vertical Line Thickness Pattern
- Check and see if the image boundary is within the screen frame.
- If not, readjust by the following steps:
(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.
1.5.7 White Balance
Test Signal: 1440x900@60Hz
Test Pattern: White and Black Pattern
1.5.8 R, G, B, Colors Contrast
Test Signal: 1440x900@60Hz
Test Pattern: R, G, B, Color Intensities Pattern and 16 Gray Scale Pattern
- Check and see if each color is normal and distinguishable.
- If not, please return the unit to repair area.
1.5.9 Screen Uniformity and Flicker
Test Signal: 1440x900@60Hz
Test Pattern: Full White Pattern
- Check and see if it is in normal condition.
1.5.10 Dead Pixel and Line
Test Signal: 1440x900@60Hz
Test Pattern: Dark and White Screen Pattern
- Check and see if there are dead pixels on LCD panel with shadow gauge and filter
film.
- The total numbers and distance of dead pixels should be compliant with the spec.
1.5.11 Mura
Test Pattern: White, RGB, Black, & Grey
Test Tool: 8% ND Filter
- Check if the Mura can pass 8% ND Filter.
1.5.12 Audio
Test Signal: Voice signal (optional, depend on model)
Test Pattern: liberty
- Make sure there is audio output.
- Make sure that audio function (volume
≦
80%) is working without noise and
resonance.
- Make sure that the sound of right and left speakers are in balance.