Air Filter - Hitachi CP-RX78 Service Manual

6-5 Air filter

Cleaning and replacing the air filter
Please check and clean the air filter periodically. When the indicators or a
message prompts you to clean the air filter, comply with it as soon as possible.
Replace the air filter when it is damaged or heavily soiled.
When you replace the lamp, please replace the air filter. An air filter of specified
type will come together with a replacement lamp for this projector.
Turn the projector off, and unplug the power cord.
1.
Allow the projector to sufficiently cool down.
Use a vacuum cleaner on and around the filter cover.
2.
While supporting the projector with one hand, use
3.
your other hand to pull the filter cover forward in the
direction of the arrow.
Use a vacuum cleaner for the filter vent of the
4.
projector and the outer side of the filter unit.
Take the filter out pulling the filter's knob up while
5.
holding the filter cover.
Use a vacuum cleaner on both sides of the filter.
6.
If the filter is damaged or heavily soiled, replace it
with the new one.
Put the filter back into the filter cover.
7.
Put the filter unit back into the projector.
8.
Turn the projector on and reset the filter time using
9.
the FILTER TIME item in the EASY MENU.
(1) Press the MENU button to display a menu.
(2) Point at the FILTER TIME using the ▼/▲ button,
then press the ► button. A dialog will appear.
(3) Press the ► button to select "OK" on the dialog.
It performs resetting the filter time.
WARNING
is not plugged in, then allow the projector to cool sufficiently. Taking care of the
air filter in a high temperature state of the projector could cause an electric shock,
a burn or malfunction to the projector.
►Use only the air filter of the specified type. Do not use the projector without the
air filter or the filter cover. It could result in a fire or malfunction to the projector.
►Clean the air filter periodically. If the air filter becomes clogged by dust or the
like, internal temperatures rise and could cause a fire, a burn or malfunction to
the projector.
NOTE • Please replace the air filter when it is damaged or too soiled.
• When you replace the projection lamp, please replace the air filter. An air filter
of specified type will come together with a replacement lamp for this projector.
• Please reset the filter time only when you have cleaned or replaced the air
filter, for a suitable indication about the air filter.
• The projector may display the message such as "CHECK THE AIR FLOW" or
turn off the projector, to prevent the internal heat level rising.
CP-RX78 ( C15-20EE )
►Before taking care of the air filter, make sure the power cable
19
2
Filter cover
3
4
Filter cover
7
Knob
Filter