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2. Adjust G-CUTOFF control to become the DC=0 V to video level at
180 V as shown in Fig. 1.
3. Slowly turn the screen control clockwise until a green colour
horizontal line appears on the picture tube. This is the setting
point for the screen control. / Note:
Do not adjust the G-CUTOFF setting in the following procedure.
4. Adjust the remaining R and B-CUTOFF controls so as to get a
white horizontal line on the screen.
5. Return to full field SCAN by pushing the position 5 key on the
remote control.
6. Adjust the R-Drive and B-Drive controls as to obtain a uniform
white on the white bar of the greyscale pattern.
7. Confirm correct B/W rendition and greyscale tracking or repeat
CUTOFF and drive control setup. / /
Note: / Write down the original value for each address adjustment
before adjusting anything.
Fig. 1
13
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