Apple color classic Service Manual

 

 Troubleshooting

Symptom Charts - 7

 

Raster tilted or 

shifted

1 Verify that distortion is not due to environmental conditions 

(move monitor to different location). Refer to “Monitor 

Distortion” in Basics chapter of any large-screen monitor 

manual.

2 Perform appropriate geometric adjustments.

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

chapter.

4 Replace analog board.