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48-ENGLISH
Remote control unit
does not operate.
The picture does not
display correctly.
Picture from
computer does not
appear
Before asking for service
Before asking for service, check the following points.
Problem Possible cause
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.
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. (Refer to
page 42.)
BLAMP indicator is illuminated or flashing. (Refer to
page 42.)
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.
(Refer to page 24.)
BThe BRIGHT adjustment setting may be at the
minimum possible setting. (Refer to page 32.)
BThe shutter function may be in use. (Refer to page
38.)
BThe lens cover may still be attached to the lens.
BThe lens focus may not have been set correctly.
(Refer to page 25.)
BThe projector may not be at the correct distance
from the screen. (Refer to pages 22 and 23.)
BThe lens may be dirty.
BThe projector may be tilted too much. (Refer to
page 24.)
BCOLOR or TINT adjustment may be incorrect.
(Refer to page 32.)
BThe input source which is connected to the
projector may not be adjusted correctly.
BThe audio signal source may not be connected
properly.
BThe volume adjustment may be at the lowest
possible setting. (Refer to pages 15 and 26.)
Problem Possible cause
BThe battery may be weak.
BThe battery may not be inserted correctly. (Refer to
page 18.)
BThe remote control signal receptor on the projector
may be obstructed. (Refer to page 18.)
BThe remote control unit may be out of the
operation range. (Refer to page 18.)
BThe correct input signal may not be selected.
(Refer to page 24.)
BThe signal format (TV system) may not be set
correctly. (Refer to page 33.)
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. (Refer to page 52.)
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 monitor (refer to pages 14 and 17)
is turned off, the video signals may not be output
from the computer.
BRGB2 SELECT in the OPTION2 menu is set to
OUTPUT when the signals are input to RGB2 IN /
RGB1 OUT connector. (Refer to page 36)