If the TV seems to have a problem, first try this list of possible problems and solutions.
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
Wrong or missing color with
Poor color 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
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
Picture is good but no sound.
Noise from speaker.
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 can cause picture distortion. This is not a TV issue. Have the antenna
Make sure the Component cables are connected to the correct jacks.
Incorrect or loose connections may cause color 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/satellite box resolution.
Confirm Composite (yellow) cable is in yellow jack in source as well as TV.
If connected with cable /set top 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
Then, adjust the TV volume accordingly.
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.
Remove plug from headphone jack (if available on your TV).
Reboot the connected device by reconnecting the device's power cable.
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
English - 42