Sharp LC-42LB261U User Manual page 80

Problem Solution
Dotted lines or
• Make sure that the antenna or
stripes appear on
cable TV is connected correctly
the screen.
and securely. See
cable or satellite
or
cable TV (no
• If you are using an antenna, the
digital channel signal may be low.
To check the digital channel
signal strength, see
the digital signal
page 61.
• 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.
• Other devices (for example, a
surround sound receiver, external
speakers, fans, or hair dryers) may
be interfering with your TV. Try
turning off one device at a time to
determine which device is
causing interference. After you
have determined which device is
causing interference, move it
further from the TV to eliminate
the interference.
Double images.
• Use a highly directional outdoor
antenna, cable TV, or satellite TV.
The picture has a
• A few bright or dark spots on an
few bright or dark
LCD screen is normal. It does not
spots.
affect the operation of your TV.
"Connecting a
box" on page
"Connecting an antenna or
box)" on page 20.
"Checking
strength" on
LC-42LB261U/LC-50LB261U Sharp 42"/50" LED TV
Problem
Good picture, but
no sound.
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Poor picture.
Good sound, but
poor color.
Audio noise.
Solution
• Increase the volume.
• Make sure that the sound is not
muted.
• Make sure that you do not have
headphones connected. When
headphones are connected, no
sound comes from the TV
speakers.
• Make sure that the correct audio
mode is selected.
• Make sure that the audio 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
or "Connecting an antenna or
cable TV (no box)" on page 20.
• 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 61.
• The audio cable(s) you are using
may be bad. Try a new set.
• Make sure that the room is not
too bright. Light reflecting off the
screen can make the picture
difficult to see.
• If an S-VHS camera or a
camcorder is connected while
another connected device is
turned on, the picture may be
poor. Turn off one or more
devices.
• Adjust the contrast, color, and
brightness settings. See
"Adjusting the TV picture" on
page 52.
• Other devices (for example, a
surround sound receiver, external
speakers, fans, or hair dryers) may
be interfering with your TV. Try
turning off one device at a time to
determine which device is
causing interference. After you
have determined which device is
causing interference, move it
further from the TV to eliminate
the interference.
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