Read LG 42LG70YR (CHASSIS:LP81D) Service Manual online
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6. SET Optical Feature
6.1. General feature
- Measurement Condition: Full white/ Vivid => Measure the black luminance after 30 seconds.
No
Parameter
Symbol
Value
Unit
Remark
Min
Typ
1
42 inch
Contrast Ratio
Dynamic CR
40000:1
50000:1
Except PC Mode
(FHD&120Hz)
CR
500:1
800:1
PC Mode
LPL
Surface Luminance, LWH(AV/Component/HDMI)
360
450
Cd/m
2
white
LWH(PC)
250
Cd/m
2
2
47 inch
Contrast Ratio
Dynamic CR
40000:1
50000:1
Except PC Mode
(FHD&120Hz)
CR
500:1
800:1
PC Mode
LPL
Surface Luminance, LWH(AV/Component/HDMI)
360
450
Cd/m
2
white
LWH(PC)
250
Cd/m
2
3
52 inch
Contrast Ratio
Dynamic CR
12000:1
15000:1
Except PC Mode
(FHD&120Hz)
CR
500:1
800:1
PC Mode
SHARP
Surface Luminance, LWH(AV/Component/HDMI)
320
400
Cd/m
2
white
LWH(PC)
250
Cd/m
2
7. Component Video Input (Y, P
B
, P
R
)
No.
Specification
Remark
Resolution
H-freq(kHz) V-freq(Hz) Pixek
clock
1.
720*480
15.73
59.94
13.500
SDTV, DVD 480I(525I)
2.
720*480
15.75
60.00
13.514
SDTV, DVD 480I(525I)
3.
720*576
15.625
50.00
13.500
SDTV, DVD 576I(625I) 50Hz
4. 720*480
31.47
59.94
27.000
SDTV
480P
5. 720*480
31.50
60.00
27.027
SDTV
480P
6.
720*576
31.25
50.00
27.000
SDTV 576P 50Hz
7. 1280*720
44.96
59.94
74.176
HDTV
720P
8. 1280*720
45.00
60.00
74.250
HDTV
720P
9.
1280*720
37.50
50.00
74.25
HDTV 720P 50Hz
10.
1920*1080
28.125
50.00
74.250
HDTV 1080I 50Hz,
11. 1920*1080
33.72
59.94
74.176
HDTV
1080I
12. 1920*1080
33.75
60.00
74.25
HDTV
1080I
13. 1920*1080
56.25
50
148.5
HDTV
1080P
14
1920*1080
67.432
59.94
148.350
HDTV 1080P
15
1920*1080
67.5
60.00
148.5
HDTV 1080P
8. RGB Input (Analog PC)
No.
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel clock(MHz)
Proposed
Remark
1
720*400
31.469
70.08
28.32
DOS
2
640*480
31.469
59.94
25.17
VESA(VGA)
3
800*600
37.879
60.31
40
VESA(SVGA)
4
1024*768
48.363
60
65
VESA(XGA)
5
1280*768
47.776
59.87
79.5
VESA(WXGA)
6
1360*768
47.72
59.799
84.75
VESA(WXGA)
7
1280*1024
63.668
59.895
109.00
SXGA
8
1920*1080
66.587
59.934
138.50
WUXGA (Reduced Blanking)
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