Apple Macintosh TV Spécifications télécharger pdf (Page 22)

Troubleshooting Symptom Charts/Video

(Continued)

- 7

Video

(Continued)

Raster tilted or

shifted

1 Verify that adjacent computer equipment is properly

grounded. Move electrical devices away from monitor.

Temporarily shut off all fluorescent lights in area.

2 Perform appropriate geometric adjustments (see

Adjustments chapter).

3 Perform yoke adjustment. Refer to “Yoke” in Adjustments

chapter.

4 Replace analog board.

Raster distorted

(barrel-shaped,

corners not square,

stretched or

compressed at top of

display, or sides not

perpendicular)

1 Verify that adjacent computer equipment is properly

grounded. Move electrical devices away from monitor.

Temporarily shut off all fluorescent lights in area.

2 Perform appropriate geometric adjustments (see

Adjustments chapter).

3 Replace analog board.

4 Replace CRT (only in rare instances).

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