47LB7DF (CHASSIS:LJ81A) - LG TV Service Manual (repair manual). Page 7

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5. Chrominance & Luminance Specification 
No
Item
Min
Typ
Max
Unit
Remark
1. 
White peak brightness
350
500
cd/m
2
42/47LB7DF
2. 
Brightness uniformity
80
%
Full white
3. Color 
coordinate
RED
X
Typ
0.638
Typ
Y
-0.03
0.340
+0.03
GREEN
X
0.279
Y
0.611
BLUE
X
0.146
Y
0.060
WHITE
X
0.272
Y
0.277
4.
Contrast ratio    
700:1
1000:1
Normal 
7000:1
10000:1
DCR
5.
Color Temperature
Cool
Typ
11,000
12,000
<Test Signal>
Medium
-1000
9,300
+1000
HDMI input
Warm
6,500
85% Full white pattern
6.
Color Distortion, DG
10.0
%
7.
Color Distortion, DP
10.0
deg
8.
Color S/N, AM/FM
43.0
dB
9.
Color Killer Sensitivity
-80
dBm
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