Before Calling For Service - Panasonic PT-LM1U Operating Instructions Manual

' Install the lamp unit cover, and
then use a Phillips screwdriver
to securely tighten the lamp
unit cover fixing screws.
NOTE:
B Be sure to install the lamp unit
and the lamp unit cover securely.
If they are not securely installed,
it may cause the protection
circuit to operate so that the
power cannot be turned on.
( Connect the power cord.
) Press the POWER button so
that a picture is projected onto
the screen.
NOTE:
B If the power cord was
disconnected during projection
when the projector was used the
last time, projection will start after
the power cord is connected
(when "POWER MEMORY" in the
"OPTION2" menu is set to "ON").
Refer to page 44 for details.
* Press the MENU button to
display the "MAIN MENU", and
then press the F or G button
to select "OPTION2".
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+ Press the ENTER button to
display the "OPTION2" menu,
and then press the F or G
button to select "LAMP
RUNTIME".
, Press and hold the ENTER
button for approximately 3
seconds.
The "LAMP RUNTIME" will
change to "TIME RESET
[POWER OFF]".
NOTE:
B If the MENU button is pressed,
the lamp time resetting screen
will be cancelled.
- Turn off the power.
This will reset the cumulative usage
time for the lamp unit to "0".
Refer to page 24 for details on
how to turn off the power.

Before calling for service

Before calling for service, check the following points.
Problem
Power does not B The power cord may not be connected.
turn on.
B The main power supply is not being supplied to the
wall outlet.
B TEMP indicator is illuminated or flashing.
B LAMP indicator is illuminated or flashing.
B The lamp unit cover has not been securely
installed.
No picture B The video signal input source may not be
appears.
connected properly.
B The input selection setting may not be correct.
B The "BRIGHT" adjustment setting may be at the
minimum possible setting.
B The "SHUTTER" function may be in use.
The picture is B The lens cover may still be attached to the lens.
fuzzy. B The lens focus may not have been set correctly.
B The projector may not be at the correct distance
from the screen.
B The lens may be dirty.
B The projector may be tilted too much.
The color is pale B "COLOR" or "TINT" adjustment may be incorrect.
or grayish. B The input source which is connected to the
projector may not be adjusted correctly.
No sound can
B The audio signal source may not be connected
be heard.
properly.
B The volume adjustment may be at the lowest
possible setting.
The remote B The battery may be weak.
control unit
B The battery may not be inserted correctly.
does not B The remote control signal receptor on the projector
operate.
may be obstructed.
B The remote control unit may be out of the
operation range.
The buttons on B The "CONTROL KEY" may be set to "OFF".
the projector do
In order to set the "CONTROL KEY" to "ON"
not function.
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.
Possible cause
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