Troubleshooting
| Problem | Check | Page | ||
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| • Projector power cord is not plugged into the wall outlet. | 16 | |
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| • Power to the external connected devices is off. | – | |
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| • The selected input mode is wrong. | 35 | |
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| • Cables incorrectly connected to rear panel of the projector. | ||
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| • Remote control batteries have run out. | 13 | |
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| • External output has not been set when connecting notebook computer. | – | |
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No picture and no sound | • The cover of the lamp unit is not installed correctly. | 81 | |||
or projector does not start. | • The selected “Signal Type” is wrong. | 69 | |||
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| • The video signal format of the video equipment is not set correctly. | 70 | |
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| • “Bright” is set to minimum position. | 47 | |
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| • Picture adjustments are incorrectly set. | 47 | |
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| (Video Input only) |
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| • Video input system is incorrectly set. | 70 | |
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| (INPUT 1, 2 and 5 only) |
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| • Input signal type is incorrectly set. | 69 | |
Color is faded or poor. | |||||
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| • Adjust the focus. | 28 | |
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| • The projection distance exceeds the focus range. | ||
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| (Computer Input only) |
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| • Perform “Fine Sync” Adjustments (“Clock” Adjustment) | 57 | |
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| • Perform “Fine Sync” Adjustments (“Phase” Adjustment) | 57 | |
Picture is blurred; | • Noise will appear depending on the computer. | – | |||
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noise appears. |
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• The “DNR” (Digital Noise Reduction) setting is not correct. | 50 | ||||
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An unusual sound is | • If the picture is normal, the sound is due to cabinet shrinkage | – | |||
occasionally heard | caused by a room temperature changes. This will not affect |
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from the cabinet. | operation or performance. |
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| Maintenance | • See “Maintenance Indicators”. | 78 | ||
indicator illuminates. |
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Power indicator and | • “LED” is set to “OFF”. | 67 | |||
lamp indicator do not |
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come on while projecting. |
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Appendix
-89