Read LG 37LB7DF (CHASSIS:LT75A) Service Manual online
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8. Chroma & Brightness
1) 37LB7DF
No
Item
Min
Typ
Max
Unit
Measurement Result
Remark
1
Viewing R/L
178
Viewing
R/L
178
Angle<CR>10>
U/D
178
Angle
U/D
178
<CR>10>
2.
White average
37LB7DF
400
500
-
cd/m
2
- 100IRE Full White Pattern (255 gray)
brightness
- Picture : Dynamic (Cool)
3.
Brightness uniformity
1.3
0
1.3
cd/m
2
- 100IRE Full White Pattern (255 gray)
- Picture : Dynamic (Cool)
4.
Color
White
X
0.264
0.279
0.294
- 85IRE Full White Pattern (216 gray)
Coordinate
Y
0.277
0.292
0.307
- Picture : Dynamic (Cool)
Red
X
0.62
0.635
0.65
Y
0.33
0.345
0.36
Green
X
0.27
0.285
0.3
Y
0.601
0.616
0.631
Blue
X
0.13
0.145
0.16
Y
0.047
0.062
0.077
5.
Color coordinate uniformity
-0.03
Average +0.03
- 85IRE Full White Pattern (216 gray)
- Picture : Dynamic (Cool)
6.
Contrast Ratio
CR with
7000 : 1 10,000 : 1
- Full white(100IRE)
at dark room
PWM-Dimming
- Full black(0IRE) pattern
- Picture : Dynamic (Cool)
- Input : HDMI1,2
=> CR with PWM-Dimming
CR without
650:1
1,000:1
- Input : DTV/Analog/AV/Comp/RGB/HDMI
PWM-Dimming
=> CR without PWM-Dimming
7.
Color Temperature
Medium
8300
9300
10300
- 85IRE Full White Pattern (216 gray)
Warm
5500
6500
7500
- Picture : Dynamic (Cool)
Cool
10000
11000
12000
8.
Color pull in Range
PAL
-500
+500
Hz
NTSC
-500
+500
Hz
9.
Color killer Sensitivity
-80
dBm
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