Read LG 47LB9DF (CHASSIS:LB75A) Service Manual online
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5. Chrominance & Luminance Specification
No
Item
Min
Typ
Max
Unit
Remark
1.
White peak brightness
400
550
cd/m
2
42LB9DF
450
550
cd/m
2
47LB9DF
TBD
TBD
cd/m
2
52LB9DF
2. Contrast
ratio
cd/m
2
N/A
3.
Brightness uniformity
80
%
Full white
4. 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
0.062
WHITE
X
0.272
Y
0.278
5.
Color coordinate uniformity
N/A
6.
Contrast ratio
1100:1
1600:1
42/47LB9DF
All mode except RGB/HDMI-PC
(With PWM Dimiming)
500:1
800:1
RGB/HDMI-PC
(Without PWM Dimmng)
TBD
TBD
52LB9DF
7.
Color Temperature
Cool
11,000
<Test Condition>
Medium
9,300
HDMI input,
Warm
6,500
85% Full white pattern
8.
Color Distortion, DG
10.0
%
9.
Color Distortion, DP
10.0
deg
10.
Color S/N, AM/FM
43.0
dB
11.
Color Killer Sensitivity
-80
dBm
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