Before Calling For Service - Panasonic pt-lb0ntu Operating Instructions Manual

Before calling for service
Before calling for service, check fhe following points.
Problem Possible cause Pag
Power does not • The power cord may not be connected.
-
turn on.
• The main power supply is not being supplied to the
-
wall outlet.
• TEMP indicator is illuminated or flashing.
57
• LAMP indicator is illuminated or flashing.
58
• The lamp unit cover has not been securely
-
installed.
No picture
• The video signal input source may not be -
appears.
connected properly.
• The input selection setting may not be correct.
30
• The "BRIGHTNESS" adjustment setting may be at
41
the minimum possible setting.
• The "SHUTIER" function may be in use.
32,
53
The picture is
• The lens focus may not have been set correctly.
27
fuzzy.
• The projector may not be at the correct distance
20
from the screen.
• The lens may be dirty. -
• The projector may be tilted too much.
18
The color is
• "COLOR" or "TINT' adjustment may be incorrect.
41
pale or grayish. • The input source which is connected to the
-
projector may not be adjusted correctly.
No sound can
• The audio signal source may not be connected -
be heard.
properly.
• The volume adjustment may be at the lowest
32,
Q)
0
possible setting.
52
c:
'"
• A cable may be connected to the VARIABLE
21 ,
c:
Q)
AUDIO OUT connector.
22,
-
c :
23
'"
The remote
• The battery may be weak.
E
-
't:l
control unit
• The battery may not be inserted correctly.
24
c:
does not
• The remote control signal receptor on the projector
'"
24
Q)
operate.
may be obstructed.
~
'"
• The remote control unit may be out of the
24
o
operation range.
The buttons on
• The "CONTROL PANEL" may be set to "INVALID". 51
the projector do
In order to set the "CONTROL PANEL" to "VALID"
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.
ENGLlSH-63