Panasonic CT-27SL13MUG, Service Manual, Page: 113 / 149

3. In service mode adjust “TINT” data so that the color does not
become greenish or redish.
4. In service mode adjust “COLOR” data so that the color level is not
too high (saturated) or too low (tending to black and white).
5. In service mode adjust “B-Y G” data so that blue and green seem
natural.
6. Confirm that saturation and picture are normal (normal image).
7. If image is not satisfactory, repeat adjustment until the image is
normal and natural.
NOTE
The image can be compared against other set to see the image quality.
12.4. Color temperature adjustment / (B/W Tracking) / Service DAC
Adjust. / (CUT R) (CUT G) (CUT B) (R DR) (B DR)
Minor Touch-Up Method
OBSERVE low and high brightness areas of a B/W picture for proper tracking. Adjust only as
required for “good gray scale and warm highlights”.
1. LOW LIGHT areas - In service mode for making electronic
adjustments, select CUT R, CUT G, CUT B and adjust the picture
for gray.
2. HIGH LIGHT areas - In service mode for making electronic
adjustments, select drive R DR, B DR and adjust the picture for
warm whites.
Complete adjustment
PREPARATION
1. Turn the receiver “ON” and allow 30 minutes warm up at WHITE
PATTERN.
2. Apply a color bar pattern (with no color).
3. Turn the SCREEN control (part of FBT T551) fully
counterclockwise.
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