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