Read LG 42LT75 / 42LT76 (CHASSIS:LD74A) Service Manual online
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5. LCD Module
No
Item
Min
Typ
Max
Unit
Maker
1
Luminance
400
500
cd/m
2
50cm from the surface
(W/O PC mode)
-Full White Pattern
2
View angle (R/L, U/D)
178/178
degree
32", 37" 42"
3
Color Coordinate
White
X
Typ.
0.279/0.279/0.279
Typ.
Y
-0.03
0.292/0.292/0.292
+0.03
Red
X
0.635/0.636/0.635
Y
0.339/0.343/0.344
Green
X
0.282/0.284/0.286
Y
0.606/0.615/0.614
Blue
X
0.145/0.144/0.146
Y
0.064/0.063/0.061
Contrast ratio
600
800
32"
(W/O PC mode)
700
900
37"
800
1000
42"
5
Luminance Variation
1.3
6. Component Video Input (Y, P
B
, P
R
)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
1.
720*480
15.73
60.00
SDTV, DVD 480i
2.
720*480
15.63
59.94
SDTV, DVD 480i
3.
720*480
31.47
59.94
480p
4.
720*576
15.625
50.00
SDTV, DVD 625 Line
5.
720*576
31.25
50.00
HDTV 576p
6.
1280*720
45.00
50.00
HDTV 720p
7.
1280*720
44.96
59.94
HDTV 720p
8.
1920*1080
31.25
50.00
HDTV 1080i
9.
1920*1080
33.75
60.00
HDTV 1080i
10.
1920*1080
33.72
59.94
HDTV 1080i
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