Troubleshooting

 

Symptom Charts/Video (Continued) - 9

 

 

 

Video (Continued)

 

 

 

 

 

Screen is blurred

1

Adjust Focus at VR F1 and F2. See “Focus Adjustment” in

 

 

 

2

Adjustments.

 

 

 

Doublecheck focus.

 

 

 

3

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.

Raster is too bright

1

Adjust brightness control. See “User Adjustments” in

 

 

 

2

Adjustments.

 

 

 

Adjust cutoff and white balance. See Adjustments.

 

 

 

3

Doublecheck items 1 and 2.

 

 

 

4

Replace 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.

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Image 27
Apple 1705 manual Video