Apple 1705 User Manual

 

 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 10

 

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.