Apple Multiple Scan Display 1705 Manuel d'utilisateur télécharger pdf (Page 28)

Troubleshooting Symptom Charts/Video

(Continued)

- 10

Video

(Continued)

Colors are too green,

red, or blue, and the

screen is unreadable

1 Ensure that the video card or computer video port is good by

connecting a monitor that is known to be good.

2 Ensure that the video cable is properly connected and the

thumbscrews are secure. If a video card is used, the video

cable must be properly attached to it.

3 Adjust cutoff and white balance. See “Cutoff and White

Balance” in Adjustments.

4 Doublecheck items 1 and 2.

5 Replace the video and main deflection boards. See “Main

Deflection, CRT/Video Boards and Rear Fence” in Take Apart.

Adjust cutoff and white balance. See “Cutoff and White

Balance” in Adjustments.

No color Ensure that the setting for the number of colors in the Monitor

Control panel is correct and not set to black & white. See the

monitor user manual.

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Apple Multiple Scan Display 1705 Manuel d'utilisateur Page 28