Troubleshooting
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| • | Projector power cord is not plugged into the wall outlet. | 26 |
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| • | Power to the external connected devices is off. | – |
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| • | The selected input mode is wrong. | 30 |
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| • | Cables incorrectly connected to the projector. | |
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| • | Remote control battery has run out. | 14 |
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No picture and no sound | • | External output has not been set when connecting notebook | 23 | ||
or projector does not |
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| start. | • | The lamp unit cover is not installed correctly. | 53, 54 | |
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| • | Cables 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 (or picture |
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| is dark). |
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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 only) | 46 | |
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| • Video input system is incorrectly set. | ||
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Color is faded or poor. |
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| • | Adjust the focus. | 28 |
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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 | – |
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| into a warm room, or if it is suddenly heated, condensation may form |
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| on the surface of the lens and the image will become blurred. Set up |
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| the projector at least one hour before it is to be used. If condensation |
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| Picture is blurred; |
| should form, remove the power cord from the wall outlet and wait for |
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| noise appears. |
| it to clear. |
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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 incorrectly connected to the projector. | |
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| • | Volume is set to minimum. | 30 |
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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 | • | “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 | – | ||
occasionally heard from |
| caused by room temperature changes. This will not affect operation |
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| the cabinet. |
| or performance. |
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Appendix
61