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| Troubleshooting |
| Symptom Charts/Video - 13 | |
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| distorted | 1 | Refer to “First Checklist” in Troubleshooting chapter. |
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Raster | |||||
2 | Perform appropriate geometric adjustments. Refer to | ||||
corners not square, | 3 | “Geometry” in Adjustments chapter. | |||
stretched or | Install | ||||
compressed at top of |
| adjustment controls to eliminate distortion. Based on video | |||
display, or sides not |
| tolerances, some distortion is allowed and setting need not be | |||
perpendicular) |
| perfect. Contact Apple Technical Support if you’re unsure | |||
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| 4 | about tolerance level. | |
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| Replace analog/video board assembly. | ||
Raster not centered | 1 | Adjust horizontal or vertical shift control. Refer to | |||
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| 2 | Adjustments chapter. | |
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| Refer to “First Checklist” in Troubleshooting chapter. | ||
