Panasonic TH-L39EM6A Benutzerhandbuch

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Troubleshooting | Maintenance
21
Troubleshooting
Before requesting service or assistance, please follow 
these simple guides to resolve the problem.
If an error message appears, follow the message’s 
instructions.
If the problem still persists, please contact your local 
Panasonic dealer for assistance.
Screen
Red, blue, green or black spots on the 
screen
 
This is the characteristic of liquid crystal panels. The 
liquid crystal panel is built with very high precision 
technology. Occasionally, a few non-active pixels 
may appear on the screen as points of red, green, 
blue or black. This does not affect the performance 
of your TV and it is not a quality problem.
Chaotic image, noisy
 
Set [Noise Reduction] in the Picture Menu to remove 
noise (p. 12).
 
Check nearby electrical products (car, motorcycle, 
fluorescent lamp).
No image is displayed
 
Check the settings of [Contrast], [Brightness] or 
[Colour] in the Picture Menu (p. 12).
 
Check the TV is in AV mode. If the TV is in AV mode, 
check the selected input mode match the output of 
the external equipment (p. 9).
Blurry or distorted image 
(no sound or low volume)
 
Resets channels   (p. 15)
Unusual image is displayed
 
Turn the TV off with Mains power On / Off switch, 
then turn it on again. If the problem persists, 
initialise all settings.   [Shipping Condition] 
(p. 15)
Pictures from equipment connected via 
HDMI are unusual
 
Check the HDMI cable is connected properly.
 
Turn the TV and equipment off, then turn them on 
again.
 
Check an input signal from the equipment (p. 19).
 
Use equipment compliant with EIA/CEA-861/861D.
Sound
No sound is produced
 
Check the sound mute setting (p. 8) and volume.
Low level or distorted sound
 
Sound signal reception may be deteriorated.
Sound output via HDMI connection is 
unusual
 
Set the sound setting of the connected equipment to 
“2ch L.PCM”.
 
Check the [HDMI1 / 2 Input] setting in the Sound 
Menu (p. 14).
 
If digital sound connection has a problem, select 
analogue sound connection (p. 20).
General
The TV goes into Standby mode
 
This TV is equipped with auto power standby 
function (p. 19).
The remote control does not work or is 
intermittent
 
Replace the batteries (p. 5).
 
Point the remote control directly at the remote 
control signal receiver of the TV (within about 7 m 
and 30 degree angle).
 
Situate the TV away from sunshine or block sources 
of bright light from shining on the remote control 
signal receiver of the TV.
Parts of the TV become hot
 
Even if the temperature of parts of the front, top and 
rear panels has risen, these temperature rises do 
not cause any problems in terms of performance or 
quality.
The LCD panel moves slightly when it is 
pushed with a finger
Clattered sound might be heard
 
There is some flexibility around the panel to prevent 
damage. This is not a malfunction.
Overcurrent error message appears
 
The connected USB device might cause this error. 
Remove the device and turn the TV off with Mains 
power On / Off switch, then turn it on again.
 
Check foreign objects are not inside the USB port.
Maintenance
First, remove the mains plug from the socket 
outlet.
Regular care
 
Gently wipe the surface of the display panel, cabinet 
and pedestal by using a soft cloth.
 
Wipe the mains plug with a dry cloth at regular 
intervals. Moisture and dust may lead to fire or 
electrical shock.
For stubborn dirt
First clean the dust on the surface. Dampen a soft cloth 
with clean water or diluted neutral detergent (1 part 
detergent to 100 parts water). Wring the cloth and wipe 
the surface. Finally, wipe away all the moisture.
Caution
 
Do not use a hard cloth or rub the surface too hard as 
this could scratch the surface.
 
Do not subject the TV’s surfaces to water or detergent. 
Liquid inside the TV could lead to product failure.
 
Do not subject the surfaces to insect repellent, solvent, 
thinner or other volatile substances. This may degrade 
surface quality or cause peeling of the paint.
 
The surface of the display panel is specially treated 
and may be easily damaged. Take care not to tap or 
scratch the surface with your fingernail or other hard 
objects.
 
Do not allow the cabinet and pedestal to make contact 
with a rubber or PVC substance for a long time. This 
may degrade surface quality.
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