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If you have any questions of TV, first refer to this list. If none of these troubleshooting tips apply, please visit '' site,
then click on Support or contact Call Center on list of last page.
Firmware Upgrade can be as first possible solution.
Picture Quality
First of all, please perform the Picture Test to confirm that your TV is properly displaying test image.
* Go to MENU → Support → Self Diagnosis → Picture Test
If the test image is properly displayed, the poor picture may caused by the source or signal.
TV image does not look as good as it
did in the store.
Picture is distorted: macroblock,small
block, dots,pixelization.
Wrong or missing Colour with
Component connection.
Poor Colour or brightness.
Dotted line on the edge of screen.
Picture is black and white with AV
(Composite) input only.
Picture freezes or is distorted when
changing channels or picture is
Sound Quality
First of all, please perform the Sound Test to confirm that your TV audio is properly operating.
* Go to MENU → Support → Self Diagnosis → Sound Test
If the audio is OK, the sound problem may caused by the source or signal.
No sound or sound is too low at
maximum volume.
Picture is good but no sound.
Noise from speaker.
Possible Solution
If you have an analog Cable/Set top box, upgrade to an Box.
Use HDMI or Component cables to deliver HD picture quality.
Cable/Satellite subscriber : Try HD (High Definition) stations from channel line up.
Antenna connection: Try HD stations after performing Auto program
Many HD channels are upscaled from SD (Standard Definition) contents.
Adjust Cable/Set top video output resolution to 1080i or 720p.
Compression of video contents may cause picture distortion especially on fast moving
pictures such as sports and action movies.
Low signal level or bad quality can cause picture distortion. This is not a TV issue.
Make sure the Component cables are connected to the correct jacks.
Incorrect or loose connections may cause Colour problems or the screen will be blank.
Picture options in the TV menu (Picture Mode, Colour, Brightness,
Energy Saving option in Setup menu.
Try picture reset to view the default picture setting.
(Go to MENU → Picture → Picture Reset)
If picture size is set to
Just scan, change to 16:9.
Change cable/Set top box resolution.
Connect video cable (Yellow) to Green jack of component input 1 of the TV.
If connected with cable box, please try to reset cable box. (reconnect AC cord and
wait until cable box reboots. It may take up to 20 minutes)
Set output resolution of cable box to 1080i or 720p
Please check the volume of device (Cable/Sat Box, DVD, Blu-ray etc) connected to
your TV.
Then, adjust the TV volume accordingly.
Set the
Speaker Select option to TV speaker in the sound menu.
Make sure audio cables from an external device are connected to correct audio input
jacks on the TV.
Check connected device's audio output option.
Ex) You may need to change your cable box' audio option to HDMI when you have
HDMI connected to your TV.
If you are using a DVI to HDMI cable, a separate audio cable is required.
Deactivate SRS function if you are setting the volume over 30 value.
Remove plug from headphone jack (if available on your TV).
Check cable connections. Make sure a video cable is not connected to an audio input.
For Antenna/Cable connection, check signal strength. Low signal level may cause
sound distortion.
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