Read LG 42LB7DF (CHASSIS:LJ81A) Service Manual online
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No
1
2
3
4
5
Item
White brightness
(Center 1-point/Full white Pattern)
Brightness uniformity
Color coordinate
RED
X
Y
GREEN
X
Y
BLUE
X
Y
WHITE
X
Y
Color coordinate uniformity
Contrast ratio
Color Temperature
Cool
Standard
Warm
Color Distortion, DG
Color Distortion, DP
Color S/N, AM/FM
Color Killer Sensitivity
Min
400
80
700:1
7000:1
Typ.
-1000
43.0
-80
Typ
500
0.638
0.340
0.279
0.611
0.146
0.062
0.272
0.278
1000:1
10000:1
11000
9300
6500
Unit
cd/m
2
%
Typ.
+0.03
%
deg
dB
dBm
Max
Typ.
+1000
10.0
10.0
Remark
42LB7DF-SB
Full white
N/A
NORMAL
DCR
<Test Condition>
HDMI Input,
85% Full white pattern
5. Chroma & Brightness
6. Component Video Input (Y, CB/PB, CR/PR)
Typ-0.03
Typ+0.03
720*480
720*480
720*480
720*480
1280*720
1280*720
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
1920*1080
15.73
15.73
31.47
31.47
45.00
44.96
33.75
33.72
67.500
67.432
27.000
26.97
33.75
33.71
56.25
28.125
60
59.94
60
59.94
60.00
59.94
60.00
59.94
60
59.939
24.000
23.94
30.000
29.97
50.000
25.000
13.5135
13.5
27.027
27.0
74.25
74.176
74.25
74.176
148.50
148.352
74.25
74.176
74.25
74.176
148.5
74.25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SDTV ,DVD 480I
SDTV ,DVD 480I
SDTV 480P
SDTV 480P
HDTV 720P
HDTV 720P
HDTV 1080I
HDTV 1080I
HDTV 1080P
HDTV 1080P
HDTV 1080P
HDTV 1080P
HDTV 1080P
HDTV 1080P
HDTV 1080P
HDTV 1080P
Resolution
No
H-freq(kHz)
V-freq(kHz)
Pixel clock
Proposed
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