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Troubleshooting
If the TV seems to have a problem, first try this list of possible problems and solutions.
Problem
TV image does not look as good as it
did in the store.
Picture is distorted: macroblock,small
block, dots,pixelization.
Wrong or missing color with
Component connection.
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
delayed.
no sound or sound is too low at
maximum volume.
Picture is good but no sound.
noise from speaker.
(Q450ASIA)-02029A_CMS-0716.indd 3
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
N
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 accessed.
•
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.
•
Adjust
Picture options in the TV menu (Picture Mode, Colour, Brightness,
Sharpness).
•
Adjust
Energy Saving option in Setup menu.
•
Try picture reset to view the default picture setting.
(Go to MEnu → 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
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.
•
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
sound distortion.
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2009-09-10
11:37:10
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