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121
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomenon Cases not involving a machine defect
Reference
page
Power does not
come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.
16
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet,
and allow the projector to cool down at least 10 minutes,
then turn the power on again.
16
Either there is no lamp and/or lamp cover, or either
of these has not been properly xed.
Please turn the power off and disconnect the power
plug from the power outlet, and allow the projector to
cool down at least 45 minutes. After the projector has
sufciently cooled down, please make conrmation of
the attachment state of the lamp and lamp cover, and
then turn the power on again.
111
Neither sounds
nor pictures are
outputted.
The signal cables are not correctly connected.
Correctly connect the connection cables.
10 ~ 14
Signal source does not correctly work.
Correctly set up the signal source device by referring to
the manual of the source device.
–
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
26
AV MUTE function is working.
Press AV MUTE button on the remote control.
25
Sound does not
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.
10 ~ 14
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
25, 55
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO
menu.
55
(continued on next page)
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