Philips 202E1SB2/69, Service Manual

Page: 65 / 83

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202E1SB2 LCD
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General Product Specification
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0.5 202E1 20”Wide 1600x900 (HD+)
2009/6/25 PHILIPS 65 of 26
at centre of the screen.
Apply the Fig 1, it should comply with the following formula:
B_min
X 100% > 75% (Follow panel spec.)
B_max
Where B_max =Maximum brightness
B_min = Minimum brightness
4.5 Check Cross talk (S)
Apply Pattern 2. Set contrast and brightness at 100 %.
Measure YA. Then output Pattern 3 and measure YB.
the cross talk value :
ABS ( YA - YB )

X 100% < 1.5 % ( Follow panel
spec)
YA
4.6 White color adjustment
There are three factory preset white color 9300K, 6500 and sRGB
Align by FGA function.
Apply full gray64 pattern, with brightness in 100 % position and the contrast control at
50 % position.
No FGA function in 202E1.
The 1931 CIE Chromaticity (color triangle) diagram (x , y) coordinate for the screen
center should be:
Product specification
CIE coordinates (x,y)
9300K x = 0.283 ± 0.02
y = 0.297 ± 0.02
6500K/sRGB x = 0.313 ± 0.02