32
ENGLISH
Troubleshooting
The following table shows conventional problems and the corresponding solutions. Inform yourself first of all using this table
before you contact our hotline or service department.
If the information provided for troubleshooting does not bring about success, switch OFF the unit via the
mains switch and pull the mains plug out of the plug outlet.
Do not attempt to repair the unit yourself and under no circumstances should you remove the rear cover
from the set.
DEFECT
POSSIBLE CAUSE
POSSIBLE REMEDY
No picture and no sound,
although the mains plug is
inserted and the unit is
switched on.
D
Mains switch in position “0” (OFF).
D
Mains plug of unit is not inserted into the
plug receptacle.
D
Defective mains cable .
D
Shift mains switch to position “I”.
D
Insert the mains cable plug into the plug
receptacle.
D
Call the service hotline.
Screen dark.
D
Contrast setting too low.
D
No input signal, wrong input selected.
D
Set the brightness and/or contrast correctly
(see menu option <Picture>).
D
Check the connection cable; assign correct
input to source.
Weak or excessive
colours.
D
Colour not correctly set.
D
Connection cable not correctly
connected.
D
Set the colour under the menu option
<Picture>.
D
Connect the cable correctly.
The picture is cut off or the
picture is not centred.
D
Picture position not correctly set.
D
Correct the picture position.
Use the auto setup function.
The picture is too large or
too small.
D
Picture format set wrongly.
D
Repeatedly press the button [FORMAT],
until the picture is displayed as a full screen.
The remote control is not
working.
D
The batteries are flat.
D
There is an obstruction between the
remote control and the sensor.
D
The remote control is located
outside of its operating range.
D
Insert the new batteries.
D
Remove the obstruction between the remote
control and the sensor.
D
Operate the remote control within the speci-
fied range.
The displayed picture is
too dark.
D
The picture quality is not set correctly.
D
Correct the picture brightness and contrast
under the menu option <Picture>.
The picture is displayed,
but there is no sound.
D
The sound is switched to mute.
D
Set volume to minimum.
D
Press the
button on the remote control.
D
Increase the volume.
Individual letters are not
displayed (PC mode).
D
Set the phase position under the menu option
<Setup
⇒
PC
⇒
Phase>.
D
Check the setting for the picture width.
D
Perform <Setup
⇒
PC
⇒
Auto Setup>.
Horizontal stripes with TV
or video signals.
D
Signal source is set up before the
display.
D
Screening of the video cable is insuffi-
cient.
D
Always place the signal sources on the side
of or behind the display.
D
Use only a high-grade signal cable with a
high screening attenuation.
To reset all settings to their original status, use the menu option
<Setup
⇒
OSD
⇒
Reset to factory defaults>!
