LG 42PX4D Service Manual page 17

12-3. Adjustment of White Balance
Operate the Zero-calibration of the CA-100, then attach
O
sensor to PDP module surface when you adjust.
Manual adjustment is also possible by the following sequence.
O
(1) Enter 'Ez - Adjust' by pressing ADJ KEY on the Service
Remote Control.
(2) Select "7. WHITE PATTERN" using CH +/- Key and HEAT
RUN at least 30 minutes by pressing the ENTER Key.
(3) Receive the Window pattern signal from Digital Pattern
Generator. (AV Input: connect the 'HDMI')
(4) After attaching sensor to center of screen, select '5. White-
Balance' of 'Ez - Adjust' by pressing the ADJ KEY on the
Service R/C. Then enter adjustment mode by pressing the
Right KEY (G) .
(5) Adjust the Hight Light using R Gain/B Gain/B Gain and
adjust the Low Light using R Cut/G Cut/B Cut.
(6) Adjust using Volume +/- KEY.
[DU-42PX41X]
(R-Gain: 127 R-Cut: 63 Fix.)
High Level: 150gray
Low Level: 60gray
High X; 0.285±0.003 Y; 0.285±0.002
Low X; 0.285±0.004 Y; 0.285±0.004
Color temperature: 9,800°K±500°K
[DU-50PX41]
(G-Gain: 127 R-Cut: 63 Fix.)
High Level: 150gray
Low Level: 60gray
High X; 0.285±0.003 Y; 0.285±0.002
Low X; 0.285±0.004 Y; 0.285±0.004
Color temperature: 9,800°K±500°K
ADJUSTMENT INSTRUCTIONS
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