Brightness / Contrast Tracking Measure Specification - LG 47LW6500 Service Manual

LGE

Brightness / Contrast tracking measure specification

1) In non-impressed condition, measure peak brightness displayable as much as possible LCD module.
2) Measuring instrument: CA-210 or a sort of Color Analyzer.
3) Pattern Generator : VG-828 or a sort of digital pattern generator (displayable Full White & 1/25 White Window pattern)
4) Measure condition
● Test pattern: in center, 1/5(H) * 1/5(V) of Window Pattern (white pattern in non-impressed condition)
● Environment condition : Dark room in the non outside light
● Video menu option condition
RF
AV
Component
RGB 1920x1080
HDMI DTV 1080p
5) Measurement
● Do heat-run LCD module at 30minutes in normal temperature (25℃) by using full white pattern of 100% signal level(255 gray level).
● Impress test pattern signal in 1/5(H) * 1/5(V) White Window of
● Brightness tracking : Change brightness value in video menu. Check the luminance and chromaticity every 10 point while decrease brightness
● Contrast tracking : Change contrast value in video menu. Check the luminance and chromaticity every 10 point while decrease contrast value 100 to 0.
● Measure the same condition in video signal /RGB signal.
Display Division
LC12C Product Specification
Signal Picture Mode
PAL Vivid
PAL Vivid
1080p Vivid
Vivid
Vivid
value 100 to 0.
Dynamic Contrast Dynamic Color
Off
Off
Off
NA
Off
100%(255Gray Level)
Off
Off
Off
NA
Off
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