Panasonic PT-LC75E User Manual

Page of 28
E
NGLISH
-49
Other
s
48-E
NGLISH
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.
B The power cord may not be connected.
B The MAIN POWER switch is turned off.
B The main power supply is not being supplied to the
wall outlet.
B TEMP indicator is illuminated or flashing. (Refer to
page 42.)
B LAMP indicator is illuminated or flashing. (Refer to
page 42.)
B The lamp unit cover has not been securely
installed.
B The video signal input source may not be
connected properly.
B The input selection setting may not be correct.
(Refer to page 24.)
B The BRIGHT adjustment setting may be at the
minimum possible setting. (Refer to page 32.)
B The shutter function may be in use. (Refer to page
38.)
B The lens cover may still be attached to the lens.
B The lens focus may not have been set correctly.
(Refer to page 25.)
B The projector may not be at the correct distance
from the screen. (Refer to pages 22 and 23.)
B The lens may be dirty.
B The projector may be tilted too much. (Refer to
page 24.)
B COLOR or TINT adjustment may be incorrect.
(Refer to page 32.)
B The input source which is connected to the
projector may not be adjusted correctly.
B The audio signal source may not be connected
properly.
B The volume adjustment may be at the lowest
possible setting. (Refer to pages 15 and 26.)
Problem
Possible cause
B The battery may be weak.
B The battery may not be inserted correctly. (Refer to
page 18.)
B The remote control signal receptor on the projector
may be obstructed. (Refer to page 18.)
B The remote control unit may be out of the
operation range. (Refer to page 18.)
B The correct input signal may not be selected.
(Refer to page 24.)
B The signal format (TV system) may not be set
correctly. (Refer to page 33.)
B There may be a problem with the video tape or
other signal source.
B A signal which is not compatible with the projector
may be being input. (Refer to page 52.)
B The cable may be too long.
B The 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.)
B If an RGB input monitor (refer to pages 14 and 17)
is turned off, the video signals may not be output
from the computer.
B RGB2 SELECT in the OPTION2 menu is set to
OUTPUT when the signals are input to RGB2 IN /
RGB1 OUT connector. (Refer to page 36)