Color Adjustment (Tint, B-Y_G, R-Y_A) - Panasonic PT-53X54J Service Manual

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17.13 Color adjustment (TINT, B-Y_G, R-Y_A)

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NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonics TU-DST51 set-top box DTV decoder.
This adjustment requires that the servicer use the skills in observing what a colorbar pattern should looks like.
Preparation:
1. Set the following in the user picture menu as follows:
PIC MODE to VIVID
COLOR to center (31)
PICTURE to max (63)
BRIGHT to center (31)
SHARPNESS to min. (0)
TINT to center (31)
NATURAL COLOR to OFF
COLOR TEMPERATURE to COOL
Procedure:
1. Apply a color bar pattern
2. Adjust DAC TINT so that the fourth bar from right to left becomes purple and good color balance.
3. If the adjustment is high, the bar will look pinkish, if it is low will look bluish.
4. Adjust B-Y_G so blue look natural, and the rest of the colors become in balance.
5. Adjust R-Y_A so red look natural, and rest of the colors become in balance.
6. Check that white bar is real white, no bluish or reddish or tending to become grey.
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http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1713000000.html [23/04/2012 12:16:31 p.m.]