Troubleshooting
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| • | Projector power cord is not plugged into the wall outlet. | 24 | |
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| • Power to the external connected devices is off. | – | ||
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| • The selected input mode is wrong. | 29 | ||
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| • Cables are incorrectly connected to the projector. |
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| • Remote control battery has run out. | 14 | ||
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| • External output has not been set when connecting notebook computer. | 21 | ||
No picture and no sound | ||||||
• | The lamp unit cover is not installed correctly. | 51, 52 | ||||
or projector does not | ||||||
| start. | • | If the connected DVI digital equipment is turned on before the | 21 | ||
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| input mode is selected on the projector, the image may not be |
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| projected properly or may not be displayed at all. Ensure that the |
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| appropriate input mode has been selected on the projector before you |
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| turn on the connected equipment. |
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| • Cables are incorrectly connected to the projector. | |||
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| • | “Bright” is set to minimum position. | 40 | |
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| • Depending on the computer you are using, an image may not be | – | ||
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| projected unless the signal output setting of the computer is |
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| switched to the external output. Refer to the computer’s operation |
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| manual for how to switch its signal output settings. |
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Sound is heard but no |
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| picture appears |
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| • Image adjustments are incorrectly set. | 40 | ||
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| • Make adjustments of “Color” and “Tint” in “Picture Mode” and lower |
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| the “Bright Boost” value. |
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| • | Video input system is incorrectly set. | 46 | |
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Color is faded or poor. |
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| • Adjust the focus. | 26 | ||
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| • The projection distance exceeds the focus range. | 20 | ||
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| • | There is fog on the lens. If the projector is carried from a cold room into a | – | |
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| warm room, or if it is suddenly heated, condensation may form on the |
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| surface of the lens and the image will become blurred. Set up the |
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| projector at least one hour before it is to be used. If condensation should |
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| Picture is blurred; |
| form, remove the power cord from the wall outlet and wait for it to clear. |
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| noise appears. | (Computer Input only) |
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| • Perform “Fine Sync” Adjustments (“Clock” Adjustment) | 46 | ||
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| • Perform “Fine Sync” Adjustments (“Phase” Adjustment) | 46 | ||
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| • Noise may appear depending on the computer. | – | ||
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| • Cables are incorrectly connected to the projector. | |||
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| • Volume is set to minimum. | 29 | ||
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| • When the projector is connected to an external device and the |
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| volume is set to minimum, the sound is not output even if you turn up |
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| the volume of the external device. |
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Picture appears but no |
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• | “Speaker” is set to “Off”. | 43 | ||||
| sound is heard. | |||||
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An unusual sound is | • If the picture is normal, the sound is due to cabinet shrinkage caused | – | ||||
occasionally heard from |
| by room temperature changes. This will not affect operation or |
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| the cabinet. |
| performance. |
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Appendix
61