Proline L4320UHD Manual De Instrucciones página 180

Problem
No power
Signal not received
properly
No picture
Video appears with
no audio
Audio is present,
but video does
not appear or is
discoloured.
Static noise affects
video and audio
quality.
Broken lines on
screen
The remote control
does not work.
L4320UHD LED IB.indd 177 L4320UHD LED IB.indd 177
TROUBLESHOOTING
Possible Solution
• Check that the power plug is securely into the mains socket.
• Check the power is on.
• Double or phantom images may appear on your TV if there
are high buildings or mountains close to where you are. You
can adjust the image through manual operation or adjust
the direction of external antenna.
• If you use an indoor antenna, signal reception may be more
difficult under certain circumstances. Adjust the direction
of the antenna for optimum reception. If this does not
improve reception, you may have to switch to an external
antenna.
• Check if the antenna is properly connected to your TV.
• View other channels to see if the problem still occurs.
• Try increasing the volume.
• Check if the TV sound is muted.
Try adjusting the contrast and brightness.
Check if the antenna is properly connected to the TV.
Electrical appliances such as hair dryers or vacuums, etc. may be
interfere with the TV. Switch off these appliances.
• Check if the TV is not switched on.
• Check that the batteries of the remote control are inserted
properly.
• Check for any obstacles between the TV remote sensor and
the remote control. Remove them if necessary.
• If the batteries have no power, replace them with two new
batteries off the same type.
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29/5/2023 10:13 AM 29/5/2023 10:13 AM