19LH20 (CHASSIS:LA92A) - LG TV Service Manual (repair manual). Page 7

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C
2009
- 7 -
5. Chroma & Brightness
No
Item
Min.
Typ.
Max.
Unit
Remark
1
Max Luminance
250
300
cd/m
2
(Center 1-point / Full White Pattern)
2
White average brightness
cd/m
2
N/A
3
Luminance uniformity
77
%
Full white
4
Color coordinate
RED
X
0.642
± 0.03
Y
0.334
± 0.03
GREEN
X
0.304
± 0.03
Y
0.608
± 0.03
BLUE
X
0.146
± 0.03
Y
0.073
± 0.03
WHITE
X
0.313
± 0.03
Y
0.329
± 0.03
6
Contrast ratio
800:1
1000:1
6000:1
8000:1(DCR)
7
Color Temperature
Cool
0.283
0.285
0.287
** The W/B Tolerance is
0.291
0.293
0.295
±0.015 for Adjustment
Medium
0.293
0.295
0.297
0.303
0.305
0.307
Warm
0.311
0.313
0.315
0.327
0.329
0.331
6.  Component Video Input  (Y, C
B
/P
B
, C
R
/P
R
)  
No.
Specification            
Remark
Resolution H-freq(kHz)
V-freq(Hz)
Pixel 
clock
1. 
720*480
15.73
60
13.5135
SDTV ,DVD 480I
2. 
720*480
15.73
59.94
13.5
SDTV ,DVD 480I
3. 720*480
31.50
60
27.027
SDTV 
480P
4. 720*480
31.47
59.94
27.0
SDTV 
480P
5. 1280*720
45.00
60.00
74.25
HDTV 
720P
6. 1280*720
44.96
59.94
74.176
HDTV 
720P
7. 1920*1080
33.75
60.00
74.25
HDTV 
1080I
8. 1920*1080
33.72
59.94
74.176
HDTV 
1080I
9. 1920*1080
67.500
60
148.50
HDTV 
1080P
10. 1920*1080
67.432
59.939
148.352
HDTV 
1080P
11. 1920*1080
27.000
24.000
74.25
HDTV 
1080P
12. 1920*1080
26.97
23.976
74.176
HDTV 
1080P
13. 1920*1080
33.75
30.000
74.25
HDTV 
1080P
14. 1920*1080
33.71
29.97
74.176
HDTV 
1080P
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