If the following symptoms occur, recheck the system. It may not be a malfunction.
Operational problem
Operational problem 1
Cannot view certain channels. |
- Adjust the location or orientation of the antenna.
- Save the desired viewing channels on Auto Tuning or Channel Edit.
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Operational problem 2
After turning on the TV, there is a delay before full images appear. |
- 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.
Image problem 1
Images from the previously viewed channel or other channels linger or the screen shows annoying lines. |
- 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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Image problem 2
Vibrating horizontal/vertical lines and fishnet patterns appear momentarily. |
- 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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Image problem 3
The screen display freezes or does not work properly during digital broadcast. |
- 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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Image problem 4
Digital broadcast cannot be seen though the cable is connected. |
- Verify subscription and/or signal with cable operator.
(Depending on the subscription, digital broadcasting may not be supported.)
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Image problem 5
Display is not on or unclear when connected to HDMI. |
- Check the HDMIⓇ cable specifications. Failure to use a 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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Image problem 6
Does not work when connected to USB storage device. |
- 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.
Sound problem 1
Screen display is on but no sound. |
- Check other TV channels.
- [This feature is available on certain models only.] Make sure the TV Speaker is set to On.
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Sound problem 2
For analog broadcast, stereo is not clear or sound comes from one speaker only. |
- In a poor reception area (areas with weak or unstable signal) or if multi audio is unstable, select MONO on Multi Audio.
- Adjust the Balance with the Navigation Button.
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Sound problem 3
TV sound is not in sync with the lips or the sound breaks up occasionally. |
- 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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Sound problem 4
Each channel’s volume is different. |
- Depending on the channel, there can be differences in volume.
- Please set Auto Volume to On.
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Sound problem 5
On certain channels, sound does not come out or only the background music plays. (If it is a program created for overseas viewers) |
- On Language, set Language Audio Language to the desired language.
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Sound problem 6
There is no sound when connected to HDMI/USB. |
- 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)
PC connection problem 1
The screen display is not on after connecting to the computer. |
- 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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PC connection problem 2
There is no sound after connecting the computer with the HDMI cable. |
- 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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PC connection problem 3
When connected to the computer, the display is partially cut off or shifts to one side. |
- 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.]
Problem with replaying movies in My Media 1
I cannot view the files on the Movie List. |
- 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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Problem with replaying movies in My Media 2
This is not a file that is supported. The above error message appears. Sound, video or subtitles is not normal. |
- 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.