Before calling service personnel
If you think something is wrong, check the followings before contacting customer service. Please see “Status display” p.37
If This Happens |
| Check |
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No power | • | Is the power cord plugged in? Is it connected to the projector? |
| • | Is the lamp cover loose? p.35 |
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Power goes out | • | Is the ambient temperature high? p.37 |
during use | • | Is the air intake or air exhaust blocked? |
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No picture | • | Is the projector turned on? p.21 |
| • | Is the brightness setting minimized? p.28 |
| • | Are the connections set up correctly? p.20 |
| • | Are all the connected devices functioning properly? |
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No audio | • | Is the projector turned on? p.21 |
| • | Is the mute function on? p.33 |
| • | Is the volume setting minimized? p.33 |
| • | Are the connections set up correctly? p.20 |
| • | Are all the connected devices functioning properly? |
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Picture not | • | Is the input signal supported by the projector? p.40 , p.41 |
displayed | • | Is there something generating an abnormal video signal, for instance the video |
correctly |
| tape? |
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Picture blurred | • | Is the lens dirty? p.36 |
Part of picture | • | Is the lens focus adjusted optimally? p.24 |
out of focus | • | Is the projection distance within the projector’s supported range? p.19 |
| • | Is the projector’s screen placement angle tilted too far? p.19 |
| • | Are the sharpness or sampling phase adjustments off? p.29 , p.30 |
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Image is dark | • | Are the brightness or contrast adjustments off? p.28 |
| • | Is the lamp nearing the end of its service life? p.32 , p.37 |
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Colors too light | • | Are the tint, Red, Green or Blue adjustments off? p.28 , p.29 |
Bad shading | • | Is the screen dirty? |
| • | Is the lamp nearing the end of its service life? p.32 , p.37 |
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Remote control | • | Is the remote control’s battery drained? |
doesn’t work | • | Is the battery inserted into the remote control correctly? p.18 |
| • | Is the remote control being used within the effective range? p.18 |
| • | Are there any obstructions between the remote control and projector? |
| • | Are there any fluorescent or other bright lights shining at the projector’s infrared |
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| remote sensor? |
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38
