Nokia 43UHDADNDT52X, Manual

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Chapter 5
23
Troubleshooting
Most problems you encounter with your TV can be
corrected by consulting the following troubleshooting list.
1. Check if the fuse or circuit breaker is working.
2. Plug another electrical device into the outlet to make
sure it is working or turned on.
3. Power plug is in a bad contact with the outlet.
4. Check the signal source.
No picture, no sound
1. Change the color system.
2. Adjust the saturation.
3. Try another channel. Black-white program may be
received.
No color
1. Change the batteries.
2. Batteries are not installed correctly.
3. Main power is not connected.
Remote control does not work
1. Adjust the brightness and contrast.
2. Broadcasting failure may happen.
No picture, normal sound
1. Press the Vol+ button to increase volume.
2. Volume is set to mute, press the mute button to
restore sound.
3. Change the sound system.
4. Broadcasting failure may happen.
Normal picture, no sound
It is usually caused by local interference, such as cars,
daylight lamps and hair driers. Adjust the antenna to
minimize the interference.
Unorderly ripples on the picture
Perhaps the TV can not recognize the resolution set by
the PC. Suggest to change to the best resolution or other
standard resolutions of the Windows system.
Blank screen when connected computer system
If the antenna is located in the fringe area of a television
signal where the signal is weak, the picture may be marred
by dots. When the signal is extremely weak, it may be
necessary to install a special antenna to improve the
reception.
Snowy dots and interference
1. Adjust the position and orientation of the indoor/outdoor
antenna.
2. Check the connection of antenna.
3. Fine tune the channel.
4. Try another channel. Broadcasting failure may happen.
Black spots or horizontal streaks appear, or the picture
flutters or drifts. This is usually caused by interference
from car ignition system, neon lamps, electric drills, or
other electrical appliance.
Ignition
Factory reset:
Home → Settings → Device Preference → About → Factory Reset
Smart player
For optimal experience of USB(Multimedia), Please download
ES File explorer from Google play store.
"No support for the format of media file, play the next video!"
appears or audio is normal but video is abnormal.
The media file maybe damaged. Check if the file can be played
on the computer. Check if video and audio codec is supported.
"No support for the format of media file, play the next audio!"
appears or audio is normal but video is abnormal.
The media file maybe damaged. Check if the file can be played
on the computer. Check if video an audio codec is supported.
Due to differences in programming tools and other factors,some
of the file formats that are listed may or may not work.
Network failure:
Check if the router works well.
Make sure the TV has connected to the router successfully.
sometimes unsynchronized time can impact network connection.
In that case, manually change the time in settings menu via below
path
Home
→ Settings → Device Preference → Date & Time
Disable the automatic date and time, and set the date and
time manually.
MP3, WMA, AAC, FLAC
Music
MPG, MPEG , MP4, MKV, AVI, ASF, FLV
JPEG, PNG, BMP
Other Information