Read LG 47LH90QD (CHASSIS:LT91C) Service Manual online
No.
Item
Min
Typ
Max
Remark
1.
Cool
White Balance,X axis
0.274
0.276
0.278
White Balance,Y axis
0.281
0.283
0.285
PSM: Vivid, CSM: Cool,
2.
Medium
White Balance,X axis
0.283
0.285
0.287
White (85IRE)
White Balance,Y axis
0.291
0.293
0.295
Dynamic contrast: off, Dynamic color: off
3.
Warm
White Balance,X axis
0.311
0.313
0.315
White Balance,Y axis
0.327
0.329
0.331
- 8 -
1) Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25±2°C
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels
displaying white.
No.
Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10>
Right/Left/Up/Down
178
CR > 10
Luminance (cd/m
2
)
400
500
PSM: Vivid, CSM: Cool,
2.
Luminance
White (100IRE)
Variation -
1.3
3.
Contrast Ratio
CR
900
1300
All white/ All black
White WX
0.279
WY Typ
0.292
Typ
RED
Xr
- 0.03
0.649
+0.03
PSM: Vivid, CSM: Cool
4.
CIE Color Coordinates
Yr
0.323
White (85IRE)
Green Xg
0.290
Yg
0.637
Blue Xb
0.147
Yb
0.057
- 47” LCD Module (LGD) LC470WUL-SBM1
5.2. Chroma (PSM:Vivid, Color Temperature:Cool)
- except “RGB PC Mode PSM: Standard, Color Temperature:Medium”
** The W/B Tolerance is ±0.015
** The W/B Tolerance is ±0.015
6. SET Optical Feature
6.1. General feature
(Measurement Condition: Full white/ Vivid -> Measure the black luminance after 30 seconds.
6.2. Special feature
Dynamic CR 40000:1 -> Measure the black luminance after 30 seconds.
No.
Item
Luminance(min)
C/R(min)
Remark
AV,COMPONENT,HDMI
AV,COMPONENT,HDMI
1
47 inch
400 cd/m
2
900
exxcept from the PC mode.
No.
Item Min
Typ
Max
Remark
1
Dynamic CR
1,800,000
2,000,00
HDMI 720p Full Black pattern
(Only HDMI mode)
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