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ENGLISH-61
Care and maintenance
60-ENGLISH
Picture from
computer does
not appear.
Problem Possible cause
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.)
Page
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Before carrying out cleaning and maintenance, be
sure to disconnect the power cord plug from the
wall outlet.
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
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.
The color is pale
or grayish.
The remote
control unit
does not
operate.
The picture does
not display
correctly.
BThe power cord may not be connected.
BThe MAIN POWER switch is turned off.
BThe main power supply is not being supplied to the
wall outlet.
BTEMP indicator is illuminated or flashing.
BLAMP indicator is illuminated or flashing.
BThe 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.
B“COLOR” or “TINT” adjustment may be incorrect.
BThe input source which is connected to the
projector may not be adjusted correctly.
BThe batteries may be weak.
BThe batteries 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 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.
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54
55
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27
44
34
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27
19
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19
44,
45
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25
25
25
46
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64