Specifications

Troubleshooting Symptom Charts/Video (Continued) - 9
Video
(Continued)
Colors are too green,
red, or blue, and the
screen is unreadable
1 Using the On-Screen Display, check Color Control. Refer to
the linked user’s manual in Adjustments chapter.
2 Ensure that the video card or computer video port is good by
connecting a known-good monitor.
3 Ensure that video cable is properly connected and
thumbscrews are secure. If a video card is used, the video
cable must be properly attached to it.
4 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.