Panasonic PT-LB20SU Projection Television User Manual


 
58-ENGLISH
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.
No sound can
be heard.
The remote
control unit
does not
operate.
The buttons on
the projector do
not function.
BThe power cord may not be connected.
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 audio signal source may not be connected
properly.
BThe volume adjustment may be at the lowest
possible setting.
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.
52
53
25
38
29
25
19,
20
18
38
30,
33
23
23
23
48