Panasonic PT-53X54J Service Manual page 56

red color only.
6. Adjust screen VR until bars with 7 and 5 IRE do not have any
difference tone between them.
7. Select "C_OFF" register and change value from 02 to 03 to display
blue color only.
8. Adjust screen VR until bars with 7 and 5 IRE do not have any
difference tone between them.
9. Select "C_OFF" register and change value from 03 to 03 to display
all three colors and check white color.
17.12.1. High light white balance adjustment
1. Adjust DAC R_DR for red and B_DR for blue adjustments.
2. Make sure the screen is not blue or green. The screen should be
white in the white area.
3. Check the black and white area for a black and white picture with
even shades of gray and no color tint in the picture.
17.12.2. Low light white balance adjustment
1. Adjust DAC CUT_R for red and DAC CUT_B for blue.
2. Check the screen for even white in all areas, no color.
3. Check the black and white pattern for a black and white picture,
even shades of gray and no color tint in the low light areas.
4. Repeat the high light and low light white balance again until the
white balance tracks from high light to low light.
17.13. Color adjustment (TINT, B-Y_G, R-Y_A)
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic's 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
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