Troubleshooting; Picture Problem; Sound Problem; Picture And Sound Problem - Toshiba 50U7950 Series Owner's Manual

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.

Picture Problem

When the TV has trouble with the picture, these steps may
help resolve the problem.
The Problem
Unplug TV from AC outlet and re-plug after
・
No picture, or
60 seconds.
black and white
picture. ・
Try different TV channels.
The compression of video content may
・
cause picture distortions, especially in fast
moving pictures from sports programmes
and action movies.
The picture is If the signal reception is weak or poor,
・
distorted. 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.

Sound Problem

When the TV has difficulties with sound, these steps may help
resolve the problem.
The Problem
There is no
・
sound or the Check the volume control of the device
sound is too low (cable or satellite box, DVD, Blu-ray, etc.)
at maximum connected to your TV.
volume.
・
Check the volume settings.
Picture is normal,
but no sound.
・
Check if 'Mute' mode is set to on.
Make sure that the audio cable is connected
・
to the correct audio output connector on the
external device.
The speakers
are making an For antenna or cable connections, check the
・
odd sound. signal information.
A low signal level may cause sound
・
distortions.

Troubleshooting

Possible Solutions
Possible Solutions

Picture and Sound Problem

When the TV has difficulties with sound and picture, these steps may
help resolve the problem.
The Problem
Check if the power cord is plugged into a
・
powered AC outlet.
・
Press the
No sound and
activate the unit from Standby.
picture.
・
Check to see if the LED light is on or not. If it
is, then the TV is receiving power.
・
Check the correct connection on the external
I have connected
source and the input connection on the TV.
an external
source to my
・
Make sure you have made the correct
TV but I get no
selection for the input mode for the incoming
picture and/or
signal.
sound.
Some electrical appliances may affect TV
・
set. If you turn off the appliance and the
Sound and
interference goes away, then move it further
picture distorted
away from TV.
or appear wavy.
Insert the power plug of the TV set into
・
another power outlet.
If you use an external antenna, check the
・
Sound and
direction, position and connection of the
picture is blurry
antenna.
or cuts out
Adjust the direction of your antenna or reset
・
momentarily.
or fine tune the channel.

Internet Problem

When the TV has difficulties connecting to the Internet, these steps
may help resolve the problem.
The Problem
・
The TV cannot Contact your Internet service provider.
connect to your
・
network or apps.
Make sure the TV has a network connection.
The wireless
・
network Make sure your wireless modem/router is on
connection and connected to the Internet.
failed.
The wireless Position your wireless router, modem router,
・
network signal is or access point in a central location. Avoid
too weak. putting it in a corner.
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Possible Solutions
button in the remote control to
Possible Solutions