Philips 190EW9FB 00, Service Manual

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190EW9 LCD 58
8.6 Jitter
No jitter visible in each condition. In case of problem a limit sample has to be defined.
8.7 Missing Pixels / missing subpixel
BRIGHT DOT DEFECTS ACCEPTABLE LEVEL
MODEL
190EW9
1 lit subpixel 3
2 adjacent lit subpixels 1
3 adjacent lit subpixels (one white pixel) 0
Distance between two bright dot defects* 15mm
Bright dot defects within 20 mm circle 0
Total bright dot defects of all types 3
BRIGHT DOT DEFECTS ACCEPTABLE LEVEL
MODEL
190EW9
1 dark subpixel 5
2 adjacent dark subpixels 2
3 adjacent dark subpixels (one white
pixel)
1
Distance between two dark dot defects* 15mm
Black dot defects within 20 mm circle 1
Total black dot defects of all types 5
TOTAL DOT DEFECTS ACCEPTABLE LEVEL
MODEL
190EW9
Total bright or black dot defects of all
types
5
8.8 Newton Ring
No Newton Rings visible.
8.9 Luminance Output
8.9.1 Luminance Output
Test resolution: 1440 x 900 at 60 Hz
Test condition: video input (RGB) = maximum white
8.9.2 Brightness
To follow Panel specification. sRGB = 80 ± 10 nits.
8.9.3 Brightness uniformity
Set contrast at 100% and turn the brightness to get average above 300 nits at centre of the screen. Apply the
Fig 1, it should comply with the following formula:
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