Hitachi CPX400 User Manual - Page 58

Phenomena that may be easy to be mistaken for machine defects

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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 Power does not come on. Neither sounds nor pictures are outputted. Sound does not come out. No pictures are displayed. Cases not involving a machine defect The electrical power cord is not plugged in. Correctly connect the power cord. 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. Either there is no lamp and/or lamp cover, or either of these has not been properly fixed. 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 sufficiently cooled down, please make confirmation of the attachment state of the lamp and lamp cover, and then turn the power on again. The signal cables are not correctly connected. Correctly connect the connection cables. 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. The signal cables are not correctly connected. Correctly connect the audio cables. The MUTE function is working. Restore the sound pressing MUTE or VOLUME button on the remote control. The volume is adjusted to an extremely low level. Adjust the volume to a higher level using the menu function or the remote control. The AUDIO/SPEAKER setting is not correct. Correctly set the AUDIO/SPEAKER in SETUP menu. The lens cover is attached. Remove the lens cover. The signal cables are not correctly connected. Correctly connect the connection cables. Reference page 12 12, 15 51, 52 10 - 16, 17 10 16 16 35 4, 15 10 (continued on next page) 58

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58
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.
±²
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.
12, 15
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
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 sufficiently cooled down,
please make confirmation of the attachment state of the lamp
and lamp cover, and then turn the power on again.
51, 52
Neither sounds
nor pictures are
outputted.
The signal cables are not correctly connected.
Correctly connect the connection cables.
±0
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.
16, 17
Sound does not
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.
±0
The MUTE function is working.
Restore the sound pressing MUTE or VOLUME button on
the remote control.
±6
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
±6
The AUDIO/SPEAKER setting is not correct.
Correctly set the AUDIO/SPEAKER in SETUP menu.
35
No pictures are
displayed.
The lens cover is attached.
Remove the lens cover.
4, 15
The signal cables are not correctly connected.
Correctly connect the connection cables.
±0
(continued on next page)