Sharp Aquos LC-42BX5H, Руководство по обслуживанию

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LC-42BX5H/M/X
5 – 5
4.3. White balance adjustment
1. White balance adjustment procedure
Adjust the white 144 gradation using RGB CUTOFF2 and then the white 73 gradation with RGB-GAIN.
1) Test signal adjustment
5. MCL setting procedure
1. “MCL” is displayed in the upper left portion of the screen as shown in the figure below by sending the MCL key of the remote control for adjust-
ment.
2. When the screen disappears after a few seconds and appears again, MCL setting is complete.
[Input signal] Display the WB test signals with built-in DVP of white 56% (144 gradations) and 29% (73 gradations) on the left and right of
the screen respectively by using the remote control code “011110010001010”.
[Adjustment value] Page 2 of adjustment process menu DVP hierarchy: RGB CUTOFF2, RGB-GAIN
Adjustment spec Inspection spec
White 56% x = 0.261
±
0.004
±
0.01 Radius from the center point
y = 0.277
±
0.004
±
0.01 Radius from the center point
White 29% x = 0.261
±
0.002
±
0.01 Radius from the center point
y = 0.277
±
0.002
±
0.01 Radius from the center point
[Adjustment method by bus]
Cutoff
RGB CUTOFF2 G CUTOFF2 = Fixed to 0.
Vary RB CUTOFF2. Adjustment range:
±
30
Gain RGB-GAIN G-GAIN = Fixed to 0.
Vary RB-GAIN. Adjustment range:
±
30
(The adjustment value is measured with MINOLTA CA-210 and the correction mode is measured in the
mode compatible with CH02 “TOPCON”.)
MCL