Philips 220BW8ES/00 Service Manual page 75

at ambient temperature (25°C ± 5°C) the decrease of brightness must be less than 6 Fl.
8.4 Scratches
No scratches and foreign particles visible.
8.5 Viewing angle
Horizental (Right + Left)
Vertical (Up + Down)
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
1 lit sub-pixel
2 adjacent lit sub-pixels
3 adjacent lit sub-pixels (one white pixel)
Distance between two bright dots
Bright dot defects within 20 mm circle
Total bright dot defects of all type
1 dark sub-pixel
2 adjacent dark sub-pixels
3 adjacent dark sub-pixels (one white pixel)
Distance between two black dots
Black dot defects within 20 mm circle*
Total black dot defects of all type
Total bright or black dot defects of all type
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.
Typical(10:1)
160°
160°
BRIGHT DOT DEFECTS
MODEL
BLACK DOT DEFECTS
MODEL
TOTAL DOT DEFECTS
MODEL
ACCEPTABLE LEVEL
220BW8
15mm
ACCEPTABLE LEVEL
220BW8
15mm
ACCEPTABLE LEVEL
220BW8
1680 x 1050 at 60 Hz
video input (RGB) = maximum white
220BW8 LCD
3
1
0
0
3
5
2
1
1
5
5
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