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Troubleshooting Symptom Charts/Video - 14
Screen jitters or
flashes
1 Refer to “First Checklist” in Troubleshooting chapter. Move
electrical devices (other monitors, scanners, and so on)
away from monitor. Temporarily shut off all fluorescent
lights in area.
2 Move unit to another room or building and check if symptom
persists.
3 Replace analog/video board assembly.
Out of focus 1 Perform focus adjustment. Refer to “Focus” in Adjustments
chapter.
2 Check for proper screen luminance. If luminance is off,
perform Cutoff and White Balance procedures. Refer to
“Video” in Adjustments chapter.
3 Replace analog/video board assembly.