37LH3000, 37LH3010, 37LH3020, 37LH3040 (CHASSIS:LD91A) - LG TV Service Manual (repair manual). Page 7

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5. Chroma& Brightness
(1) LGD Module
1) Standard Test Condition (The unit has been ‘ON’)
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
(2) AUO Module
1) Standard Test Condition (The unit has been ‘ON’)
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
No. Item Specification 
Min.
Typ.
Max.
Remark
1.
Viewing Angle [CR>10] 
Right/Left/Up/Down 
178
Degree
2.
Luminance Luminance 
(cd/m
2
)
400 500
Variation -
1.3 
MAX 
/MIN
3.
Contrast Ratio 
CR 
1000 
1400
4.
CIE Color Coordinates  
White 
Wx
0.279 
Wy 0.292
Typ 
RED Xr
0.639
±0.03
Yr
0.334
Green Xg
0.289
Yg
0.606
Blue Xb 
0.145
Yb  
0.065
No. Item Specification 
Min.
Typ.
Max.
Remark
1.
Viewing Angle [CR>10] 
Right/Left/Up/Down 
178
Degree
2.
Luminance Luminance 
(cd/m
2
)
400 500
Variation -
1.3 
MAX 
/MIN
3.
Contrast Ratio 
CR 
2000 
3000
4.
CIE Color Coordinates  
White 
Wx
0.28
Wy 0.29
Typ 
RED Xr
0.64
±0.03
Yr
0.33
Green Xg
0.29
Yg
0.60
Blue Xb 
0.15
Yb  
0.06
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