
Troubleshooting
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 | Problem | Check | Page | ||
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 | • Projector power cord is not plugged into the wall outlet. | 29 | |
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 | • Power to the external connected devices is off. | — | |
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 | • The selected input mode is wrong. | 33 | |
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 | • The AV MUTE function is working. | 34 | |
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 | • Cables incorrectly connected to rear panel of the projector. | ||
| No picture and no sound | |||||
| • Remote control batteries have run out. | 15 | ||||
| or projector does not start. | 
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| • External output has not been set when connecting notebook computer. | 69 | ||||
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 | • The lamp unit cover is not installed correctly. | 67,68 | |
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 | • Cables incorrectly connected to the rear panel of the projector. | ||
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 | • “Bright” is set to minimum position. | 44 | |
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| Sound is heard but no | 
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| picture appears. | 
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 | • Image adjustments are incorrectly set. | 44 | |
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 | (Video Input only) | 
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 | • Video input system is incorrectly set. | 51 | |
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 | (INPUT 1, INPUT 2 only) | 47 | |
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 | • Input signal type (RGB/Component) is incorrectly set. | ||
| Color is faded or poor. | 
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 | • Adjust the focus. | 32 | |
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 | • The projection distance exceeds the focus range. | 19 | |
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 | (Computer Input only) | 
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 | • Perform “Fine Sync” Adjustments. (“Clock” Adjustment) | 48 | |
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 | • Perform “Fine Sync” Adjustments. (“Phase” Adjustment) | 48 | |
| Picture is blurred; | |||||
| • Noise may appear depending on the computer. | — | ||||
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 | noise appears. | 
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 | • Cables incorrectly connected to rear panel of the projector. | ||
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 | • Volume is set to minimum. | 33 | |
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| Picture appears but no | 
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| 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 | caused by 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”. | 64 | ||
| indicator illuminates or | 
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 | blinks in red. | 
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70