Hitachi CP-X807W, Service Manual

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CP-X807(EDX50WL)
6-5 Air filter
WARNING
• Before caring, make sure the power switch is off and the power cable is not plugged in, then allow the
projector to cool suffi ciently. The care in a high temperature state of the projector could cause an electric
shock, a burn and/or malfunction to the projector.
• Use only the air fi lter of the specifi ed type. Do not use the projector with the air fi lter and the fi lter cover
removed. It could result in a fi re and/or malfunction to the projector.
• The air fi lter should be cleaned periodically. If the air fi lter becomes clogged by dust or the like, internal
temperatures rise and could cause a fi re, a burn and/or malfunction to the projector.
NOTE
• R eplace the air filter when it is damaged or too soiled and also when you replace the lamp.
• R eset the filter time only when you have cleaned or replaced the air filter for a suitable indication
about the air fi lter.
• The projector may display the message such as “CHECK THE AIR FLOW” or turn itself off to prevent the
internal heat level rising.
If the air fi lter becomes clogged by dust or the like, internal temperatures rise and could cause a fi re, a burn
and/or malfunction to the projector. When the indicators or a message prompts to clean the air fi lter, clean
the air fi lter as soon as possible.
Please check and clean the air filter periodically, even if there is no message.
R eplace the air filter
when it is damaged or too soiled.
And also when you replace the lamp, replace the air filter. An air filter of specified type will come
together with a replacement lamp for this projector.
1. Turn off the projector and unplug the power lead . Allow the lamp
to cool for at least 45 minutes.
2. When the projector is suspended from the ceiling, apply the
vacuum cleaner to and around the filter cover first to prevent
penetration of dust or the like.
3. Hold the filter cover knobs while lifting it.The filter unit made up
the filter cover and others will come off.
4. Use a vacuum cleaner for the filter vent of the projector and the
filter frame side of the filter unit.
If the air filter is damaged or too soiled, replace it according to the following procedure number 5 to 7.
Otherwise, jump to procedure number 8.
5. To remove the filter frame, hold the filter cover while holding and pulling the filter frame’s knob by another
hand.
6. Replace the air filter with new one. It is recommended that the
fluted surface of the air filter faces the filter cover.
7. Put the filter frame back.
8. Put the filter unit back into the projector.
9. Turn the projector on and reset the fi lter time using the FILTER
TIME function.
(1) Press the MENU button to display a menu. When the EASY
MENU has appeared, please skip the next step (2).
(2) Point at the “OPTION” in the left column of the menu using ź / Ÿ
button, then press the Ź button.
(3) Point at the “FILTER TIME” using ź / Ÿ button, then press the Ź
button. A dialog will appear.
(4) Press the Ÿ button to select “RESET” on the dialog. It performs
resetting the fi lter time.
The front side of the projector
The filter cover
The filter cover knobs
The filter unit
The filter frame knob
The air filter
The filter frame
The filter cover
The fluted
surface of
the air filter