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Adjustment items Focus adjustment 3. R adjustment
Adjusting methods
1) Set to the R monochrome by lens cap. 2) Receive the image of internal-house dot-cross.
GENERAL ADJUSTMENTS
3) Adjust the R electrical focus. Adjust by focus volume of the focus block (Z410) so that the screen center will come to optimum focus. 4) Adjust the R lens focus. Adjust so that the screen center will become the best. 5) Repeat 3, 4, and attempt to further improve the focus quality.
4. B adjustment 1) Set to the B monochrome by lens cap. 2) Receive the image of internal-house dot-cross. 3) Adjust the B electrical focus. Adjust by focus volume of the focus block (Z410) so that the screen center will come to optimum focus. Make adjustment so that the scanning lines are to be seen most clearly at the position of 2/3L left side from the center of the screen. At this time, find the best fucus point. Then, adjust the VR clockwise once, subsequently adjust the VR counterclockwise, and stop the VR at the best point. 4) Adjust the B lens focus. Pay attention to the center of internal-house dot-cross. First of all, make coarse adjustments of the lens, and move the lens adjusting screw to the right at the point being considered as the best focus. Then, the lines of the border become clear. Check and confirm under the circumstance that a flare appears. On the contrary, if the lens adjusting screw is moved to the left from the situation, the flare will disappear, and at this point you will find a point from which the borderline itself begins to go out of focus. Adjust to the very point where the focus begins to go out.
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