Philips 190EW9FB 00 Service Manual page 58

58 190EW9 LCD
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
MODEL
1 lit subpixel
2 adjacent lit subpixels
3 adjacent lit subpixels (one white pixel)
Distance between two bright dot defects*
Bright dot defects within 20 mm circle
Total bright dot defects of all types
BRIGHT DOT DEFECTS
MODEL
1 dark subpixel
2 adjacent dark subpixels
3 adjacent dark subpixels (one white
pixel)
Distance between two dark dot defects*
Black dot defects within 20 mm circle
Total black dot defects of all types
TOTAL DOT DEFECTS
MODEL
Total bright or black dot defects of all
types
8.8 Newton Ring
No Newton Rings visible.
8.9 Luminance Output
8.9.1 Luminance Output
Test resolution:
Test condition:
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:
ACCEPTABLE LEVEL
190EW9
3
1
0
15mm
0
3
ACCEPTABLE LEVEL
190EW9
5
2
1
15mm
1
5
ACCEPTABLE LEVEL
190EW9
5
1440 x 900 at 60 Hz
video input (RGB) = maximum white