Read LG 55LK520 (CHASSIS:LA01U) Service Manual online
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5. Chrominance & Luminance
No.
Item
Min
Typ
Max
Unit
Remarks
1
Max Luminance
360
500
cd/m
2
(Center 1-point / Full White Pattern)
2
Luminance uniformity
3
Color coordinate
RED
X
Typ.
0.636
Typ.
42LK520-UA(LGD)
(Default)
Y
-0.03
0.335
+0.03
GREEN
X
0.291
Y
0.603
BLUE
X
0.146
Y
0.061
WHITE
X
0.279
Y
0.292
RED
X
Typ.
0.639
Typ.
47LK520-UA(LGD)
Y
-0.03
0.334
+0.03
GREEN
X
0.290
Y
0.606
BLUE
X
0.146
Y
0.058
WHITE
X
0.279
Y
0.292
RED
X
Typ.
0.637
Typ.
55LK520-UA(LGD)
Y
-0.03
0.333
+0.03
GREEN
X
0.287
Y
0.605
BLUE
X
0.145
Y
0.064
WHITE
X
0.279
Y
0.292
4
Contrast ratio
Module
1100
1450
47/55LK520-UA(LGD)
1100
1500
42LK520-UA(LGD)
DCR
130,000:1
150,000:1
42/47/55LK520-UA(LGD)
6
Color Temperature
Cool
0.254
0.269
0.284
13000K The W/B Tolerance is ±0.015
0.258 0.273
0.288
for picture quality by DQA
Medium
0.270
0.285
0.300
9300K
0.278
0.293
0.308
Warm
0.298
0.313
0.324
6500K
0.314
0.329
0.344
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