Philips BDL4221V/00 Service Manual page 107

GENERAL PRODUCT SPECIFICATION
4.4.1 Actual display size 930.25x 523.01mm
4.5 Brightness uniformity
Set contrast at 100% and turn the brightness to Max. (At original color)
Apply the Fig 1, it should comply with the following formula:
4.6 PC White color adjustment
Apply 1360x768@60Hz mode set smart picture to Normal ,
Apply full white pattern, with brightness in 50 % position and the contrast control
at 50% position.
The 1931 CIE Chromaticity (color triangle) diagram (X, Y)
coordinate for the screen center should be:
For NORMAL COLOR
Equivalent 6500°K X
For COOL PRESET
Equivalent 9300 °K X = 0.283
For WARM PRESET
Equivalent 5700 °K X = 0.328
4.7 TV White color adjustment
Smart picture set to personal for TV RF signal (80dBmv).
Use FLUKE 54200 pattern generator with full white pattern.
Use The 1931 CIE Chromaticity (color triangle) diagram (X, Y) coordinate for the screen
center should be: 9300 °K
X=0.289+/-0.030,
Y=0.304+/-0.030.
4.8 TV picture centering
Use CVBS (PAL and NTSC) input with cross hatch pattern to check the picture
centering and should be
42"BDS WXGA TFT LCD Monitor/TV
TYPE
BRAND : PHILIPS
2005-06-10
Freud Yu
Maximum luminance of five points (brightness)
¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾ <1.3
Minimum luminance of five points (brightness)
= 0.313 +/- 0.030
Y = 0.329 +/- 0.030
+/- 0.030
Y = 0.297 +/- 0.030
+/- 0.030
Y = 0.344 +/- 0.030
:420WN6VB/00
2005-06-10
" "
8639 000 16494
45
590
420WN6 LCD TV
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