Read LG 52LB9DF-UA / 52LBX (CHASSIS:LA73C) 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
52LB9DF
400
550
cd/m
2
47LB9DF
400
500
cd/m
2
42LB9DF
2. Contrast
ratio
cd/m
2
N/A
3.
Brightness uniformity
80
%
Full white
4. Color
coordinate
RED
X
0.663
+/-
0.03
Y
0.324
+/- 0.03
GREEN
X
0.194
+/- 0.03
Y
0.659
+/- 0.03
BLUE
X
0.141
+/- 0.03
Y
0.082
+/- 0.03
WHITE
X
0.279
+/- 0.03
Y
0.292
+/- 0.03
5.
Color coordinate
Cool
X
0.274
0.276
0.278
White balance
Y
0.281
0.283
0.285
Medium
X
0.283
0.285
0.287
Y
0.291
0.293
0.295
Warm
X
0.311
0.313
0.315
Y
0.327
0.329
0.331
5.
Color coordinate uniformity
N/A
6.
Contrast ratio
700:1
1000:1
42LB9DF
7000:1
800:1
47LB9DF
(DCR)
(DCR)
52LB9DF
7.
Color Temperature
Cool
10,000
11,000
12,000
<Test Signal>
Medium
8,300
9,300
10,300
HDMI input,
Warm
5,500
6,500
7,500
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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