55LE7500, 55LE7510, 55LE750N, 55LE7800, 55LE7900, 55LE7910 (CHASSIS:LD03E) - LG TV Service Manual (repair manual). Page 5

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- 5 -
5. Module optical specification
1) Stable for approximately 60 minutes in a dark environment at 25 ºC ± 2 ºC and windless room.
2) Operating Ambient Humidity: Min 10, Max 90 %RH
3) Suppl Voltage: 24 V
4) Frame Frequency: 120 Hz
No.
Item Specification 
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10> 
Right/Left/Up/Down 
178
CR > 10
2.
Luminance Luminance 
(cd/m
2
)
360
450
Variation 1.3
MAX 
/MIN
3.
Contrast Ratio 
CR
1000 
1400
4.
CIE Color Coordinates   
White
Wx
0.279 
Wy 0.292
RED
Xr
0.636
Yr
Typ.
0.335
Typ.
Green Xg
-0.03
0.291
+0.03
Yg
0.603
Blue Xb 
0.146
Yb  
0.061
6. Component Video Input (Y, C
B
/P
B
, C
R
/P
R
)
No.
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
1.
720x480 15.73 
60.00 
SDTV,DVD 
480i
2.
720x480 15.63 
59.94 
SDTV,DVD 
480i
3.
720x480
31.47
59.94 480p
4.
720x480
31.50
60.00 480p
5.
720x576 
15.625 
50.00 
SDTV,DVD 625 Line
6.
720x576 31.25 
50.00
HDTV 
576p
7.
1280x720
45.00
50.00 HDTV 
720p
8.
1280x720
44.96
59.94 HDTV 
720p
9.
1280x720 45.00 
60.00 
HDTV 
720p
10.
1920x1080 31.25 
50.00 
HDTV 
1080i
11.
1920x1080
33.75
60.00 HDTV 
1080i
12.
1920x1080 33.72 
59.94 
HDTV 
1080i
13.
1920x1080 56.250 
50 
HDTV 
1080p
14.
1920x1080
67.5 60 HDTV 
1080p
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