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. | 53, 54 | |||||
or projector does not | • | 21 | ||||
| start. |
| before the |
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| may not be projected properly or may not be displayed at all. Ensure |
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| that the appropriate input mode has been selected on the projector |
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| before you 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. | 41 | |
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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. | 41 | |
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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 only) |
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| • | Video input system is incorrectly set. | 48 | |
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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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| form, remove the power cord from the wall outlet and wait for it to clear. |
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| Picture is blurred; |
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| (Computer Input only) |
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| noise appears. |
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| • Perform “Fine Sync” Adjustments (“Clock” Adjustment) | 48 | ||||
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| • Perform “Fine Sync” Adjustments (“Phase” Adjustment) | 48 | ||
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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”. | 45 | ||||
| sound is heard. |
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| Data image is not | • Select “Data image is not centered” in the “Help” menu and make the | 48 | |||
| centered. |
| necessary adjustments. |
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| • Depending on the computer you are using, the output resolution | – | ||
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| signal may be different from the one you have set. For details, refer to |
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| the operation manual of the computer. |
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Appendix
63
