If the following symptoms occur, recheck the system. It may not be malfunction.
Operational problem
Cannot view certain channels.
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Adjust the location or orientation of the antenna.
Save the desired viewing channels on Auto Tuning or Channel Edit.
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After turning on the TV, there is a delay before full images appear.
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This is normal because an image deletion process was inserted to clean up image noises that may occur immediately after the power is turned on.
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Image problem
SETTINGS Customer Support Picture Test
[This feature is available on certain models only.]
Conducts Picture Test first to verify that image signal output is normal.
When the test image is normal, check connected external devices or broadcast signal.
mages from the previously viewed channel or other channels linger or the screen shows annoying lines.
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Adjust the antenna to the direction of the TV station or refer to the manual for proper way to connect the antenna.
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Vibrating horizontal/vertical lines and fishnet patterns appear momentarily.
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Such a problem may happen when there is strong electronic interference. Turn off other electronic devices such as mobile phones, power tools and other small electrical appliances.
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The screen display freezes or does not work properly during digital broadcast.
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It may happen when the signals are weak or the reception is unstable. Adjust the antenna’s orientation or cable connections.
If the signal strength or quality is low on Manual Tuning, contact the TV station or administration office for checkup.
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Digital broadcast cannot be seen though the cable is connected.
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Verify subscription and/or signal with cable operator. (Depending on the subscription, digital broadcasting may not be supported.)
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Display is not on or unclear when connected to HDMI.
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Check the HDMIⓇ cable specifications. Failure to use genuine HDMIⓇ cable may cause images to fade in and out or not be displayed properly.
Verify that all cable connections are securely connected. When connections are not secure, images may not be properly displayed.
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Does not work when connected to USB storage device.
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Verify that the USB device and cable is version 2.0 or higher.
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Sound problem
SETTINGS Customer Support Sound Test
[This feature is available on certain models only.]
Try Sound Test to verify that sound signal output is normal.
When the test sound is normal, check connected external devices or broadcast signal.
Screen display is on but no sound.
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Check other TV channels.
[Depending on model] Make sure the TV Speaker is set to On.
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For analog broadcast, stereo is not clear or sound comes from one speaker only.
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In a poor reception area (areas with weak or unstable signal) or if multi audio is unstable, select Mono on Audio.
Adjust the Balance with the Navigation Button.
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TV sound is not in sync with the lips or the sound breaks up occasionally.
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If it occurs only with a certain TV channel, that station’s broadcast signal may have a problem. Check with the TV station or your cable operator.
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Each channel’s volume is different.
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Depending on the channel, there can be differences in volume.
Please set Auto Volume to On.
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On certain channels, sound does not come out or only the background music plays. (If it is a program created for overseas viewers)
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On Language, set Language Audio Language to the desired language. Changes to the language on Audio may returned to the default setup by turning off the power or changing the channel.
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There is no sound when connected to HDMI/USB.
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Verify that the HDMIⓇ cable is high speed.
Check that the USB device and cable is version 2.0 or higher.
Use only regular music (*mp3) files.
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PC connection problem (Only for models supporting PC connection)
The screen display is not on after connecting to the computer.
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Check that the computer and TV are securely connected.
Check if the resolution is correctly set for PC input.
To use the TV as a secondary monitor, check that the connected desktop or laptop supports dual monitor displays.
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There is no sound after connecting the computer with the HDMI cable.
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Check with the video card manufacturer to ensure it supports HDMI voice output. (Video cards manufactured in DVI format require connection of a separate sound cable.)
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When connected to the computer, the display is partially cut off or shifts to one side.
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Set up the resolution supporting PC input. (If it does not work, reboot the computer.)
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Problem with replaying movies in My Media
[This feature is available on certain models only.]
I cannot view the files on the Movie List.
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Check if the file on the USB storage device can be read on a computer.
Check that the file extension is supported.
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This is not a file that is supported. The above error message appears. Sound, video or subtitles is not normal.
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Make sure that the file replays normally on the video player in the computer. (Check for damaged files.)
Check if My Media can support selected file.
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For information on requesting service, refer to the TV’s menu.
This feature is available on certain models only.
SETTINGS Customer Support Product/Service Info.