Operation Manual

54
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
No Power • Is the power cord plugged in? Is it connected to the projector?
• Is the lamp cover loose?
The projector
won’t be activate
• Is Pressing ON/STANDBY button quickly? To activate the projector,
press the ON/STANDBY button on control panel for 3-5 seconds.
Power goes out
during use
• Is the ambient temperature high?
• 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-
played correctly
• Is the input signal supported by the projector?
• Is there something generating an abnormal video signal, for
instance the video tape?
Picture blurred
Part of picture
out of focus
• Is the lens dirty?
• Is the lens focus adjusted optimally?
• 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
doesn’t work
• Are the remote control’s batteries drained?
• 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?