47LH30 (CHASSIS:LA92A) - LG TV Service Manual (repair manual). Page 8

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LG Electronics. Inc. All right reserved. 
C
2009
6. Chrominance & Luminance Specification 
6.1 Module Optical Specification.
6.1.1 Color Temperature measure standard specification
1) In non-impressed condition, measure White Balance displayable as much as possible LCD module.
2) Measuring instrument: CA-210 or a sort of Color Analyzer.
3) Pattern Generator : VG-828 or a sort of digital pattern generator (216 Gray)
4) Measure condition
• Test pattern: 85% Full White pattern
• SET condition: Contrast & Brightness Level 100%
• Environment condition : Dark room in the non outside light
• Video menu option condition
6.1.2 Max Luminance & Contrast measure standard specification
1) In non-impressed condition, measure peak brightness displayable as much as possible LCD module.
2) Measuring instrument:CA-210 or a sort of Color Analyzer.
3) Pattern Generator :VG-828 or a sort of digital pattern generator (displayable Full White & 1/25 White Window pattern)
4) Measure condition
• Test pattern: in center,1/5(H)*1/5(V) of Window Pattern (white pattern in non-impressed condition)
• SET condition : Contrast & Brightness Level 100%
• Environment condition: Dark room in the non outside light
• Video menu option condition
Signal 
Picture Mode
Dynamic Contrast 
Dynamic Color
Black Level
OPC
RF
NTSC-M
Vivid
Off
Off Low
Off
AV NTSC-J  Vivid 
Off
Off
High
Off
Component 720P
Vivid 
Off 
Off
High
Off
RGB 1024x768
Vivid 
NA
NA 
NA
NA
HDMI DTV 
720P 
Vivid 
Off
Off 
Low
Off
No.
Item Specification 
Min.
Typ.
Max.
Remark
1.
Max Luminance
Modele 
400
500
cd/m2
(Center1-point/ Ful white pattern)
2.
Luminance uniformity
Luminance 
77
3.  Contrast Ratio
1000: 1
1400: 1
30000:1(DCR) 50000:1(DCR)
WX
Typ 0.279 Typ 
White
WY
-0.03
0.292
+0.03
4.
Color Coordinates
Xr
0.636
RED
Yr
0.334
Xg 0.290
Green
Yg 0.608
Xb 0.145
Blue
Yb
0.064
5. Color 
Temperatue
Cool
0.274
0.276 
0.278
85% Full white pattern
0.281
0.283 
0.285
**The W/B Tolerance is
Medium
0.283 
0.285 
0.287
± 0.015 for Adjustment
0.291
0.293 0.295
Warm
0.311
0.313
0.315
0.327
0.329
0.331
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