Hitachi CP-X440 User Manual - Page 46

Phenomena that may be easy to be mistaken for machine defects - repair

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Troubleshooting Phenomena that may be easy to be mistaken for machine defects WARNING ►Never use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. should occur. In such cases, immediately turn off the power switch and then disconnect the power plug from the power outlet. After making sure that the smoke or odor has stopped, contact your dealer or service company. 1. Before requesting repair, please check in accordance with the following chart. This operation sometimes resolves your problem. If the situation cannot be corrected, 2. The projector's microprocessor may need to be reset. Please push the Restart switch by using a cocktail stick or similar and the projector will restart. 3. Some setting may be wrong. Please use the FACTORY RESET function of the SERVICE item in the OPTION menu (37) to reset all settings to factory default. Then, if the problem is not removed after the remedy, please contact your dealer or service company. Phenomenon Power does not come on. Sound does not come out. 46 Cases not involving a machine defect The electrical power cord is not plugged in. Correctly connect the power cord. The power switch is not set to the on position. Set the power switch to [ | ] (On). The main power source has been interrupted during operation such as by a power outage (blackout), etc. Please turn the power off, and allow the projector to cool down at least 20 minutes. After the projector has sufficiently cooled down, please 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 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 audio cables. The MUTE function is working. Restore the sound pressing the 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 setting is not correct. Correctly set the AUDIO item in the SETUP menu. Reference page 13 16 16 38, 39 11,12 17 17 34

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46
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING
►
Never use the projector if abnormal operations such as
smoke, strange odor, excessive sound, damaged casing or elements or cables,
penetration of liquids or foreign matter, etc. should occur. In such cases,
immediately turn off the power switch and then disconnect the power plug from
the power outlet. After making sure that the smoke or odor has stopped, contact
your dealer or service company.
1.
Before requesting repair, please check in accordance with the following chart.
This operation sometimes resolves your problem.
If the situation cannot be corrected,
2.
The projector’s microprocessor may need to be reset. Please push the
Restart switch by using a cocktail stick or similar and the projector will restart.
3.
Some setting may be wrong. Please use the FACTORY RESET function of the
SERVICE item in the OPTION menu
(
37
)
to reset all settings to factory default.
Then, if the problem is not removed after the remedy, please contact your dealer
or service company.
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.
13
The power switch is not set to the on position.
Set the power switch to [ | ] (On).
16
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please turn the power off, and allow the projector to cool
down at least 20 minutes. After the projector has sufficiently
cooled down, please turn the power on again.
16
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
Please turn the power off, 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.
38, 39
Sound does not
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.
11,12
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button
on the remote control.
17
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
17
The AUDIO setting is not correct.
Correctly set the AUDIO item in the SETUP menu.
34