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Before calling service personnel
If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.36 as well.
If This Happens | Check |
No power | • Is the power cord plugged in? Is it connected to the projector? |
| • Is the lamp cover loose? p.34 |
Power goes out | • Is the ambient temperature high? p.36 |
during use | • Is the air intake or air exhaust blocked? p.36 |
|
|
No picture | • Is the projector turned on? p.23 |
| • Is the mute function on? p.27 |
| • Is the brightness setting minimized? p.29 |
| • Are the connections set up correctly? p.20 |
| • Are all the connected devices functioning properly? |
|
|
Picture not | • Is the input signal supported by the projector? p.39 , p.40 , p.41 |
displayed | • Is there something generating an abnormal video signal, for |
correctly | instance the video tape? |
|
|
Picture blurred | • Is the lens dirty? p.35 |
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.26 p.29 |
Image is dark | • Are the brightness or contrast adjustments off? p.29 |
| • Is the lamp nearing the end of its service life? p.32 |
Colors too light | • Are the color, tint, |
Bad shading | • Is the screen dirty? |
| • Is the lamp nearing the end of its service life? p.32 |
Remote control | • Are the remote control’s batteries drained? |
doesn’t work | • Are the batteries 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 remote sensor? |
|
|
Others
37
