Read LG 42LD550 (CHASSIS:LA02B) Service Manual online
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5. Chrominance & Luminance
5.1. 42LD550-UA
No.
Item
Min
Typ
Max
Unit
Remarks
1
Max Luminance
Module
400
500
cd/m
2
(Center 1-point / Full White Pattern)
Set
360
450
2
Luminance uniformity
1.25
5point
3
Color coordinate
RED
X
Typ.
0.636
Typ.
(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
4
Contrast ratio
990:1
1400:1
80,000:1
100,000:1
6
Color Temperature
Cool
Typ.
0.269
Typ.
The W/B Tolerance is
-0.015
0.273
+0.015
±0.015 for Adjustment
Medium
Typ.
0.285
Typ.
-0.015
0.293
+0.015
Warm
Typ.
0.313
Typ.
-0.015
0.329
+0.015
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