Apple 1705 Computer Monitor User Manual

Troubleshooting Symptom Charts/Geometry - 11
Raster is too short, tall,
narrow, or wide
1 Adjust the width and height of the screen. See “User
Adjustments” in Adjustments.
2 Doublecheck the user controls.
3 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.