Panasonic CT27E13G - 27" COLOR TV, Service Manual

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13.4. Color output adjustment / Service DAC adjustment / (COLOR,
TINT, B-Y_G)
NOTE
Color and tint adjustment sets the reference settings for the user controls; It is important to read
the procedures.
(NO RAINBOW PATTERN)
Make sure that sub-contrast adjustment was finished prior to perform this adjustment
PREPARATION
Normalize the picture settings.
PROCEDURE
1. Apply a color bar pattern.
2. In service mode adjust “R DR” and “B DR” data to “80”.
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.
13.5. 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
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MC-Service