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 outer lamp cover attached properly? p.44 | |
|
|
|
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.40 |
| • Is the mute function on? p.31 | |
| • Is the brightness setting minimized? p.35 | |
| • Are the connections set up correctly? p.23 | |
| • Are all the connected devices functioning properly? | |
|
|
|
No audio | • | Did you press the input button? p.26 |
| • Is the mute function on? p.31 | |
| • Is the volume setting minimized? p.27 | |
| • Are the connections set up correctly? p.23 | |
| • Are all the connected devices functioning properly? | |
|
|
|
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? |
|
|
|
Picture blurred | • | Is the lens dirty? p.48 |
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.27 | |
| • Are the sharpness or sampling phase adjustments off? p.35 | |
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|
|
Image is dark | • | Are the brightness or contrast adjustments off? p.35 |
| • Is the lamp nearing the end of its service life? p.42 | |
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|
Colors too light | • | Are the color, |
Bad shading | • Is the screen dirty? | |
| • Is the blackboard mode set properly? p.37 | |
| • Is the lamp nearing the end of its service life? p.42 | |
Control panel key • Is the key lock function on? p.41 doesn’t work
50
