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Troubleshooting
Self Diagnosis
Diagnose issues with your TV.
> Settings > Support > Self Diagnosis
Use the Picture Test to help diagnose picture issues and the Sound Test to diagnose sound
issues. Use the Network Test to test network connection and use the Input Connection Test to
show all related information with external connections.
Picture Problem
When the TV has trouble with the picture, these steps may help resolve the problem.
Picture Test
> Settings > Support > Self Diagnosis > Picture Test
Before you review the list of problems and solutions below, use Picture Test to determine if the
problem is caused by the TV. Picture Test displays a high definition picture that you can examine
for flaws or faults
The Problem Possible Solutions
No picture, or black and
white picture.
• Unplug TV from AC outlet and re-plug after 60 seconds.
• Check that the Color is set to 50 or higher.
• 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 1 m) may cause noise on
analogue and digital channels.
Note:
• If the test picture does not appear or there is noise or distortion, the TV may have a problem.
Contact the service company in your country.
• If the test picture is displayed properly, there may be a problem with an external device. Please
check the connections.
• If the problem persists, check the signal strength or refer to the external device's user manual.
Sound Problem
When the TV has difficulties with sound, these steps may help resolve the problem.
Sound Test
> Settings > Support > Self Diagnosis > Sound Test
If the TV plays the Sound Test melody without distortion, there may be a problem with an external
device or the broadcast signal's strength.
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