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61
LC-40LB480U Full HD LED 1080p TV
Video and audio
Problem Solution
Picture does not
fill the screen.
There are black
bars around the
picture.
• Change the aspect ratio. An
increasing amount of digital TV
and movies are presented in wide
screen (16:9). See the View Mode
option in “Adjusting the TV
picture” on page 40.
No picture (screen
is not lit) and no
sound.
• Press on the TV or the remote
control.
• Make sure that the Audio Only
option is set to Off. See “Playing
TV audio only” on page 44.
• Make sure that the video cables
are connected securely to your
TV.
• Adjust the contrast and
brightness. See “Adjusting the TV
picture” on page 40.
• Make sure that the power cord is
plugged in.
• Make sure that the correct video
input source is selected. See
“Selecting the video input
source” on page 32.
• Try another channel. The station
may be experiencing problems.
• Make sure that the incoming
signal is compatible.
• Make sure that the antenna or
cable TV is connected correctly
and securely. See “Connecting a
cable or satellite box” on page 13
or “Connecting an antenna or
cable TV (no box)” on page 16.
• Check the closed caption
settings. Some TEXT modes can
block the screen.
Dark, poor, or no
picture (screen is
lit), but sound is
good.
• Try another channel. The station
may be experiencing problems.
• Make sure that the antenna or
cable TV is connected correctly
and securely. See “Connecting a
cable or satellite box” on page 13
or “Connecting an antenna or
cable TV (no box)” on page 16.
• Adjust the brightness. See
“Adjusting the TV picture” on
page 40.
• Make sure that the correct picture
mode is selected. See “Adjusting
the TV picture” on page 40.
• If you are using an antenna, the
digital channel signal may be low.
To check the digital channel
signal strength, see “Checking
the digital signal strength” on
page 48.
• If you are using an antenna and
the signal strength is low, adjust
the antenna or use a highly
directional outdoor antenna or
set-top antenna with a built-in
amplifier.
• Make sure that the video cables
are connected securely to your
TV.
• The video cable(s) you are using
may be bad. Try a new set.
• Try another channel. The station
may be experiencing problems.
No color, dark
picture, or color is
not correct.
• Try another channel. The station
may be experiencing problems.
• Adjust the color settings. See
“Adjusting the TV picture” on
page 40.
• Make sure that the video cables
are connected correctly and
securely to your TV.
• Make sure that the antenna or
cable TV is connected correctly
and securely. See “Connecting a
cable or satellite box” on page 13
or “Connecting an antenna or
cable TV (no box)” on page 16.
• If you are using an antenna, the
digital channel signal may be low.
To check the digital channel
signal strength, see “Checking
the digital signal strength” on
page 48.
• If you are using an antenna and
the signal strength is low, adjust
the antenna or use a highly
directional outdoor antenna or
set-top antenna with a built-in
amplifier.
Problem Solution
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