Specifications
Troubleshooting Symptom Charts/Geometry
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Geometry
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Raster is not centered 1 Using the On-Screen Display, click Recall.
2 Check that the distortion is not due to environmental
conditions. Move the monitor.
3 Adjust the horizontal position of screen. See “User Controls”
in Adjustments. If necessary, adjust the raster center at
SW701. See “Horizontal Centering” in Adjustments.
4 Adjust vertical position of screen.
5 Double-check items 1 through 4.
6 Replace main deflection board and CRT/video board module.
See “Main Deflection and CRT/Video Board Module” in Take
Apart chapter. See Adjustments chapter for non-user
adjustments that might be necessary after board replacement.