Specifications

Troubleshooting Symptom Charts/No Raster - 4
Symptom Charts
No Raster
No raster with LED on 1 Check exterior power cord and video cable connections.
Thumbscrews must be tightened securely. If a video card is
used, the video cable must be secured to the card.
2 Adjust brightness and contrast controls located on the front
panel.
3 A screen saver may be activated. Move mouse or press any
key to reactivate the screen.
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.