LG 37LC7D Series, Service Manual

Page: 7 / 60

- 7 -
5. Chroma & Brightness
5-1. 37LC7D-UB
CONDITION : EZ-Picture "Daylight"
5-2. 42LC7D-UB, 42LC4D-UA
CONDITION : EZ-Picture "Daylight"
No Item Min Typ Max Unit Remark
1. White peak brightness 360 450 cd/m 2 HDMI input, full white,
Video Black level=High
2. Contrast ratio 700:1 900:1 Non dimming mode
(PC Mode)
3000:1 4000:1 5000:1 Dimming mode
1. Input full black, wait 10 minute,
measure black level
2. Input full white , wait 10 minute,
measure white level
3. Brightness uniformity 1.3 Refer to LCD SPEC.
4. Color coordinate RED X 0.633 +/- 0.03
Y 0.339 +/- 0.03
GREEN X 0.286 +/- 0.03
Y 0.610 +/- 0.03
BLUE X 0.147 +/- 0.03
Y 0.065 +/- 0.03
WHITE X 0.276 +/- 0.03
Y 0.283 +/- 0.03
5. Viewing angle 178 R/L, U/D
6. Color Temperature Standard 8,300 9,300 10,300 <Test Signal>
Cool 10,000 11,000 12,000 HDMI input, With 16-gray pattern
Warm 5,500 6,500 7,500 6
th
bar from right
No Item Min Typ Max Unit Remark
1. White peak brightness 360 450 cd/m 2 HDMI input, full white,
Video Black level=High
2. Contrast ratio 800:1 1000:1 Non dimming mode
(PC Mode)
3000:1 4000:1 5000:1 Dimming mode
1. Input full black, wait 10 minute,
measure black level
2. Input full white , wait 10 minute,
measure white level
3. Brightness uniformity 1.3 Refer to LCD SPEC.
4. Color coordinate RED X 0.633 +/- 0.03
Y 0.339 +/- 0.03
GREEN X 0.286 +/- 0.03
Y 0.610 +/- 0.03
BLUE X 0.147 +/- 0.03
Y 0.065 +/- 0.03
WHITE X 0.276 +/- 0.03
Y 0.283 +/- 0.03
5. Viewing angle 178 R/L, U/D
6. Color Temperature Standard 8,300 9,300 10,300 <Test Signal>
Cool 10,000 11,000 12,000 HDMI input,
Warm 5,500 6,500 7,500 Daylight/Cool 85 IRE