Panasonic CT-27SL13MUG Service Manual page 53

the main signal
12.3. Color output adjustment / Service DAC adjustment (COLOR,
TINT)
NOTE
if a rainbow pattern generator is available perform the following procedure; the next section
describes the procedure with no rainbow pattern.
Make sure that sub-contrast adjustment was finished prior to perform this adjustment.
PREPARATION
1. Normalize the picture settings.
2. Set the BRIGHTNESS control to minimum.
3. Set the COLOR control to the center.
4. Set the TINT control to the center.
5. Set the PICTURE control to the maximum.
6. Set the SHARPNESS control to the minimum.
PROCEDURE
1. Apply a rainbow color bar pattern.
2. Connect the oscilloscope to TP37.
3. In service mode adjust "TINT" register until the waveform
measured is as the one shown. Tint level from C and B peaks
must be almost in the same level and from A to C 0.35 Vpp).
PIP level;
TP37 Waveform.
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