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ENGLISH-59
Care and maintenance
58-ENGLISH
The picture does
not display
correctly.
Picture from
computer does
not appear.
Problem Possible cause
BThe signal format (TV system) may not be set
correctly.
BThere may be a problem with the video tape or
other signal source.
BA signal which is not compatible with the projector
may be being input.
BThe cable may be too long.
BThe external video output for the laptop computer
may not be set correctly.
(You may be able to change the external output
settings by pressing the [Fn]+[F3] or [Fn]+[F10]
keys simultaneously. The actual method varies
depending on the type of computer, so refer to the
documentation provided with your computer for
further details.)
BIf an RGB input indicator is turned off, the video
signals may not be output from the computer.
BRGB2 SELECT in the OPTION menu is set to
OUTPUT when the signals are input to RGB2 IN /
RGB1 OUT connector.
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45
Before calling for service
Before calling for service, check the following points.
Problem Possible cause
Page
Power does not
turn on.
No picture
appears.
The picture is
fuzzy.
COLOR is too
light or TINT is
poor.
No sound can
be heard.
The remote
control unit
does not
operate.
The buttons on
the projector do
not function.
BThe mains lead may not be connected.
BThe MAIN POWER switch is turned off.
BThe main power supply is not being supplied to the
mains socket.
BTEMP indicator is illuminated or flashing.
BLAMP indicator is illuminated or flashing.
B
The lamp unit cover has not been securely installed.
BThe video signal input source may not be
connected properly.
BThe input selection setting may not be correct.
BThe BRIGHT adjustment setting may be at the
minimum possible setting.
BThe shutter function may be in use.
BThe lens cover may still be attached to the lens.
BThe lens focus may not have been set correctly.
BThe projector may not be at the correct distance
from the screen.
BThe lens may be dirty.
BThe projector may be tilted too much.
BCOLOR or TINT adjustment may be incorrect.
BThe input source which is connected to the
projector may not be adjusted correctly.
B
The audio signal source may not be connected properly.
BThe volume adjustment may be at the lowest
possible setting.
B
A cable may be connected to the AUDIO OUT jack.
BThe MUTE function may be active.
BThe battery may be weak.
BThe battery may not be inserted correctly.
BThe remote control signal receptor on the projector
may be obstructed.
BThe remote control unit may be out of the
operation range.
BThe CONTROL KEY may be set to “OFF”.
In order to set the CONTROL KEY to “ON” without
using the remote control unit, keep holding down
the ENTER button on the projector and press the
MENU button for more than 2 seconds. It will then
be turned ON.
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Before carrying out cleaning and maintenance, be
sure to disconnect the mains lead plug from the
mains socket.
Wipe the cabinet with a soft, dry cloth.
If the cabinet is particularly dirty, soak the cloth in water with a small amount
of neutral detergent in it, squeeze the cloth very well, and then wipe the
cabinet. After cleaning, wipe the cabinet dry with a dry cloth. If using a
chemically-treated cloth, read the instructions supplied with the cloth before
use.
Do not wipe the lens with a cloth that is dusty or which produces lint.
If any dust or lint gets onto the lens, such dust or lint will be magnified and
projected onto the screen. Use a blower to clean any dust and lint from the
lens surface, or use a soft cloth to wipe off any dust or lint.
Cleaning and maintenance