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1. Adjust Sub-Tint so that No. 2, 3 and 4 becomes level waveform is
similar to Fig. 3.
2. Confirm phase at Tint is changes more than ± 15 by Tint control.
3. Confirm that colour level is maximum when colour DAC is
adjusted to maximum position.
Note: Use remote control only when adjusting user mode to Sub-
Tint.
4.2. Colour Purity
1. Set Bright and Contrast controls to their maximum positions.
2. Operate the TV set over 60 minutes.
3. Full degauss the picture tube by using an external degaussing
coil. By rotating R-B static convergence magnet.
4. Apply a crosshatch pattern signal and adjust roughly the static
convergence magnets.
5. Apply a green pattern signal.
6. Loosen a clamp screw for the Deflection Yoke and move the
Deflection Yoke as close to the purity magnet as possible.
7. Adjust the purity magnet so that a vertical green field is obtained
at the center of the screen.
8. Slowly press the Deflection Yoke and set it where a uniform green
10
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