22
Troubleshooting
The Problem
Possible Solutions
No picture, or
black and white
picture.
·
Unplug TV from AC outlet and re-plug after
60 seconds.
·
Try different TV channels.
The picture is
distorted.
·
The compression of video content may
cause picture distortions, especially in fast
moving pictures from sports programmes
and action movies.
·
If the signal reception is weak or poor,
screen distortion may be visible but it is not
a malfunction.
·
Mobile phones used close to the TV (within
1m) may cause noise on analogue and
digital channels.
Picture Problem
When the TV has trouble with the picture, these steps may
help resolve the problem.
The Problem
Possible Solutions
There is no
sound or the
sound is too low
at maximum
volume.
·
Check the volume control of the device
(cable or satellite box, DVD, Blu-ray, etc.)
connected to your TV.
Picture is normal,
but no sound.
·
Check the volume settings.
·
Check if ‘Mute’ mode is set to on.
The speakers
are making an
odd sound.
·
Make sure that the audio cable is connected
to the correct audio output connector on the
external device.
·
For antenna or cable connections, check the
signal information.
·
A low signal level may cause sound
distortions.
Sound Problem
When the TV has difficulties with sound, these steps may help
resolve the problem.
The Problem
Possible Solutions
No sound and
picture.
·
Check if the power cord is plugged into a
powered AC outlet.
·
Press the button in the remote control to
activate the unit from Standby.
·
Check to see if the LED light is on or not. If it
is, then the TV is receiving power.
I have connected
an external
source to my
TV but I get no
picture and/or
sound.
·
Check the correct connection on the external
source and the input connection on the TV.
·
Make sure you have made the correct
selection for the input mode for the incoming
signal.
Sound and
picture distorted
or appear wavy.
·
Some electrical appliances may affect TV
set. If you turn off the appliance and the
interference goes away, then move it further
away from TV.
·
Insert the power plug of the TV set into
another power outlet.
Sound and
picture is blurry
or cuts out
momentarily.
·
If you use an external antenna, check the
direction, position and connection of the
antenna.
·
Adjust the direction of your antenna or reset
or fine tune the channel.
Picture and Sound Problem
When the TV has difficulties with sound and picture, these steps may
help resolve the problem.
If the TV does not operate as usual or appears to be faulty, please
read carefully this section. Many operational issues can be resolved
by users.
It is also advisable to unplug the TV from the AC socket on the
wall for 60 seconds or more, then reconnect and start again. This
simple procedure helps in restoring stable conditions for electric
circuits and firmware of the unit.
The Problem
Possible Solutions
The TV cannot
connect to your
network or apps.
·
Contact your Internet service provider.
·
Make sure the TV has a network connection.
The wireless
network
connection
failed.
·
Make sure your wireless modem/router is on
and connected to the Internet.
The wireless
network signal is
too weak.
·
Position your wireless router, modem router,
or access point in a central location. Avoid
putting it in a corner.
Internet Problem
When the TV has difficulties connecting to the Internet, these steps
may help resolve the problem.
Summary of Contents for 50U7950 Series
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