Philips BDL4230E/00 Service Manual page 31

42 inch fhd lcd public display
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White color adjustment
The picture color temperature shall be able to be chosen out of 5 modes 10000K,9300K, 6500K, 5800K, and USER.
10000K, 9300K, 6500K, 5800K are factory setting (fixed color) and "USER" is adjustable mode. (The default color of
"USER" mode is the same color as 6500K mode.)
A/D converter calibration of the scalar shall be performed with 0V/0.730Vp-p black/white level signal to obtain
adequate dynamic range for video signal output level deviation. White balance adjustment and inspection shall be
carried out using 0.700Vp-p level signal.
Measurement condition – Measurement point
Measurement equipment – Color Analyzer
Color Temperature Table:
Mode
10000K
9300K
6500K
5800K
: Center of screen
Measurement distances
Measurement Angle
: CA210 or Equivalent
Signal Generator
: VG828 or Equivalent
Video Signal
: White pattern
x
0.278
0.283
0.313
0.326
: 50cm
: 90°
y
0.291
0.298
0.329
0.342
BDL4230E LCD
Specification
±0.03
±0.03
±0.03
±0.03
31

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