Philips BDL4221V/00, Service Manual

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Display adjustment
27 4 2 0WN6 LC D TV
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2.9 W HI T E-D adjustment (B)
2.9.1 At factory mode apply 13 60 X7 6 8 @ 60 Hz mode with 32 gray pattern.
Set smart picture at N ormal , and Brightness to 5 0 % and C ontrast to 5 0 %.
Set AU T O- C O L OR function for auto AD C offset and gain setup.
2.9.2 Apply full white pattern , adjust the C ool, N ormal & W arm S C A L ER GAI N RG B
to reach W /D and luminance in factory mode.(See fig.1)
1. C heck (X, Y) co-ordinates as below :
Reading with Minolta C A-11 0 .
2. C heck the gray level color poor & noise condition and chromaticity
N ote:
1. Use Minolta C A-11 0 for color coordinates and luminance check.
2.Set L ight Senor off before W -D adjustment.
3. L uminance> 400 cd/m
2
in the center of the screen at 6 5 00 ( N ORAM L )color
and P C Brightness control; C ontrast control at 1 00 %
4 .Set smart picture at normal ,brightness &contrast to 5 0 % after alignment.
5.Set L ight senor off after L ight senor check.
C ool/93 00
°
K N ormal/ 6 5 00
°
K W arm/57 00
°
K
x (center) 0 .283
±
0 . 00 5 0 .313
±
0 . 00 5 0 .328
±
0 . 00 5
y (center) 0 .297
±
0 . 00 5 0 .329
±
0 . 00 5 0 .3 44
±
0 . 00 5
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