Apple LC520 Spécifications télécharger pdf (Page 23)

Troubleshooting Symptom Charts/Video

(Continued)

- 5

Video

(Continued)

Screen jitters or

flashes

1 Verify that adjacent computer equipment is properly

grounded. Move electrical devices away from monitor.

Temporarily shut off all fluorescent lights in area.

2 Check that all ground cables are secure.

3 Disconnect internal floppy drive, CD-ROM drive, and hard

drive.

4 Replace analog board.

Out of focus 1 Perform focus adjustment. Refer to “Focus” in Adjustments.

2 Replace analog board.

3 Replace CRT only if one part of display remains out of focus

despite adjustment of focus controls to their limits.

Raster size too short/

tall or narrow/wide

1 Adjust horizontal or vertical size control. Refer to

Adjustments chapter.

2 Replace analog board.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 175 176

Pas de commentaire

Apple LC520 Spécifications Page 23