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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
during use
Is the ambient temperature high?
p.49
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
displayed
correctly
Is the input signal supported by the projector?
p.53
p.54
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?
p.48
Is the lens focus adjusted optimally?
p.27
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
•
•
•
•
•
Image is dark
Are the brightness or contrast adjustments off?
p.35
Is the lamp nearing the end of its service life?
p.42
•
•
Colors too light
Bad shading
Are the color, R-level, G-level, or B-level adjustments off?
p.35
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
doesn’t work
Is the key lock function on?
p.41
•
Troubleshooting