Read LG 42LH7000 / 42LH7020 / 42LH7030 (CHASSIS:LD91D) Service Manual online
5. Chroma& Brightness
(1) Module optical specification
1) Standard Test Condition(The unit has been ‘ON’)
2) Stable for approximately 60 minutes in a dark environment at 25ºC
3) The values specification are at approximate distance 50Cm from the LCD surface.
2) Stable for approximately 60 minutes in a dark environment at 25ºC
3) The values specification are at approximate distance 50Cm from the LCD surface.
(2) Chroma (PSM: Vivid, Color Temperature: Cool)
- except “RGB PC Mode PSM:Standard,Color Temperature:Medium”
**The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015
**The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015
(3) SET Optical Feature
1) General feature
* Measurement Condition: Full white/Dynamic) -> Measure the black luminance after 30 seconds.
2) Special feature (Dynamic CR 15000:1)
- 7 -
No.
Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10>
Right/Left/Up/Down
89/89
CR>10
89/89
2.
Luminance
Luminance (cd/m2)
400
500
PSM:Vivid,CSM:Cool,
White(100IRE)
Dynamic contrast :off
Dynamic color L off
Variation 1.3
MAX
/MIN
3.
Contrast Ratio
CR
1000
1400
4.
CIE Color Coordinates
White
Wx
Typ
0.279
Typ
PSM:Vivid,CSM:Cool,
Wy
-0.03
0.292
+0.03
White(85IRE)
RED
Xr
0.637
Dynamic contrast :off
Yr
0.335
Dynamic color L off
Xg 0.290
Green
Yg 0.606
Xb 0.145
Blue
Yb
0.062
No Item
Min
Typ
Max
Remark
1.
Cool
White Balance,X axis
0.274
0.276
0.278
DQA :±0.015
White Balance,Y axis
0.281
0.283
0.285
DQA :±0.015
2.
Medium
White Balance,X axis
0.283
0.285
0.287
DQA :±0.015
White Balance,Y axis
0.291
0.293
0.295
DQA :±0.015
3.
Warm
White Balance,X axis
0.311
0.313
0.315
DQA :±0.015
White Balance,Y axis
0.327
0.329
0.331
DQA :±0.015
No
Item
Min
typ
Max
Inch
Power Board P/N
Remark
1
Dynamic CR
10000
15000
42”
EAY58470001
HDMI 720p Full Black Pattern
(Only HDMI mode)
No Item
Module
Luminance (min)
C/R(min)
Remark
AV,COMPONENT,HDMI AV,COMPONENT,HDMI
1.
42 inch
LGD
400cd/m2
1000
except from the PC mode.
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