27" & 32" COLOR LCD TV DISPLAY
7
www.westinghousedigital.com
Video Performance Test
VIDEO PORTS TO TEST
AV port
S-Video port
YCbCr/YPbPr
TV Composite Video*
• The color from left to right should be White, Yellow, Sky Blue, Green, Magenta,
Red, and Blue.
• Some smearing or dot crawl between color
bars is acceptable.
• Use the Blue color filter to check Hue and
Saturation are in the optimized point.
(Saturation - Blue and White color should be
the same when seen through a blue color
filter.)
(Hue - Magenta and Sky Blue color should
be the same when seen through a Blue
color filter.)
• Crosshatch pattern should have no visible noise.
• In low bandwidth pattern, there shouldn’t
be any dots on the transition edges.
• In high bandwidth pattern, there shouldn’t
be any loss of resolution and the scaling
should be correct.
• This is a sample with no visible noise.
• There shouldn’t be any visible noise at transition edges.
• The gray scale should not be saturated at default value
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The following tests should be conducted by connecting the video signal to one port at a time.
Color Bar
Pattern
(COL_SMPTE)
Multi Burst
Pattern
Black & White
Pattern
Gray Scale
Pattern
Crosshatch
