Before calling service personnel
If you think something is wrong, check the followings before contacting customer service.
Please see “Trouble indications” p.53 as well.
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? |
|
|
The projector | • Is pressing & releasing ON/STANDBY key too quick? Press the |
won’t be activate | ON/STANDBY key on control panel for 3~5 seconds & release |
| while the red LED is still lit. |
Power goes out | • Is the ambient temperature high? |
during use | • Is the air intake or air exhaust blocked? |
No picture | • Is the projector turned on? |
| • Is the mute function on? |
| • Is the brightness setting minimized? |
| • Are the connections set up correctly? |
| • Are all the connected devices functioning properly? |
|
|
No audio | • Is the projector turned on? |
| • Is the mute function on? |
| • Is the volume setting minimized? |
| • Are the connections set up correctly? |
| • Are all the connected devices functioning properly? |
|
|
Picture not dis- | • Is the input signal supported by the projector? |
played correctly | • Is there something generating an abnormal video signal, for |
| instance the video tape? |
Picture blurred | • Is the lens dirty? |
Part of picture | • Is the lens focus adjusted optimally? |
out of focus | • Is the projection distance within the projector’s supported range? |
| • Is the projector’s screen placement angle tilted too far? |
| • Is the sharpness or sampling phase adjustments off? |
|
|
Image is dark | • Is the brightness or contrast adjustments off? |
| • Is the lamp nearing the end of its service life? |
|
|
Remote control | • Are the remote control’s batteries drained? |
doesn’t work | • Are the batteries inserted into the remote control correctly? |
| • Is the remote control being used within the effective range? |
| • Are there any obstructions between the remote control and |
| projector? |
| • Are there any fl uorescent or other bright lights shining at the |
| projector’s infrared remote sensor? |
|
|
54
