Troubleshooting
If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.49 as well.
If This Happens |
| Check |
|
| |
No power | • Is the power cord plugged in? Is it connected to the projector? | |
| • Is the main power switch turned on? p.24 | |
| • Is the outer lamp cover attached properly? p.45 | |
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Power goes out | • | Is the ambient temperature high? p.49 |
during use | • | Is the air intake or air exhaust blocked? p.49 |
|
| |
No picture | • Is the input source selected correctly? (When [Auto input search] | |
|
| is [Off]) p.41 |
| • Is the mute function on? p.32 | |
| • Is the brightness setting minimized? p.36 | |
| • Are the connections set up correctly? p.22 | |
| • Are all the connected devices functioning properly? | |
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|
No audio | • | Is the mute function on? p.32 |
| • Is the volume setting minimized? p.27 | |
| • Are the connections set up correctly? p.22 | |
| • Are all the connected devices functioning properly? | |
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|
Picture not | • | Is the input signal supported by the projector? p.53 p.54 |
displayed | • Is there something generating an abnormal video signal, for | |
correctly |
| instance the video tape? |
|
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|
Picture blurred | • | Is the lens dirty? p.49 |
Part of picture | • | Is the lens focus adjusted optimally? p.27 |
out of focus | • Is the projection distance within the projector’s supported range? | |
|
| p.21 |
| • Is the projector’s screen placement angle tilted too far? p.21 | |
| • Are the sharpness or sampling phase adjustments off? p.36 | |
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Image is dark | • | Are the brightness or contrast adjustments off? p.36 |
| • Is the lamp nearing the end of its service life? p.43 | |
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|
Colors too light | • | Are the color, tint, |
Bad shading | • Is the screen dirty? | |
| • Is the blackboard mode set properly? p.41 | |
| • Is the lamp nearing the end of its service life? p.43 | |
Control panel key • Is the key lock function on? p.43 doesn’t work
If This Happens | Check |
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|
Remote control | • Is the remote control code identical with the projector's code? p.42 |
doesn’t work | • Are the remote control’s batteries drained? |
| • Are the batteries inserted into the remote control correctly? p.19 |
| • Is the remote control being used within the effective range? p.19 |
| • Are there any obstructions between the remote control and |
| projector? |
| • Are there any fluorescent or other bright lights shining at the |
| projector’s infrared remote sensor? |
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Others
50 | 51 |