Before calling service personnel
If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.41 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.38 |
Power goes out | • Is the ambient temperature high? p.41 |
during use | • Is the air intake or air exhaust blocked? p.41 |
No picture | • Is the mute function on? p.30 |
| • Is the brightness setting minimized? p.33 |
| • Are the connections set up correctly? p.24 |
| • Are all the connected devices functioning properly? |
No audio | • Is the mute function on? p.30 |
| • Are the connections set up correctly? p.24 |
| • Are all the connected devices functioning properly? |
Picture not | • Is the input signal supported by the projector? p.44 , |
displayed | • Is there something generating an abnormal video signal, for |
correctly | instance the video tape? |
Picture blurred | • Is the lens dirty? |
Part of picture | • Is the lens focus adjusted optimally? p.28 |
out of focus | • Is the projection distance within the projector’s supported range? p.23 |
| • Is the projector’s screen placement angle tilted too far? p.23 |
| • Are the sharpness or sampling phase adjustments off? |
Image is dark | • Are the brightness or contrast adjustments off? p.33 |
| • Is the lamp nearing the end of its service life? p.36 |
Colors too light | • Are the color,tint adjustments off? p.33 |
Bad shading | • Is the screen dirty? |
| • Is the lamp nearing the end of its service life? p.33 |
Control panel | • Is the key lock function on? p.30 |
key doesn’t work |
|
Remote control | • Is the remote control ON/OFF switch set off? p.20 |
doesn’t work | • Are the remote control’s batteries drained? |
| • Are the batteries inserted into the remote control correctly? p.20 |
| • Is the remote control being used within the effective range? p.20 |
| • 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? |
42
