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LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
Only snow (noise)
appears on the
screen.
• 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 14
or “Connecting an antenna or
cable TV (no box)” on page 18.
• 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 52.
• 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.
Picture quality is
good on some
channels and poor
on others. Sound
is good.
• The problem may be caused by a
poor or weak signal from the
broadcaster or cable TV provider.
• If you connect to cable or satellite
TV without a set-top box and
experience poor picture quality,
you may need to install a set-top
box to improve signal reception
and picture quality. Contact your
cable or satellite TV provider
about upgrading to a set-top box.
Problem Solution
Dotted lines or
stripes appear on
the screen.
• Make sure that the antenna or
cable TV is connected correctly
and securely. See “Connecting a
cable or satellite box” on page 14
or “Connecting an antenna or
cable TV (no box)” on page 18.
• 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 52.
• 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
few bright or dark
spots.
• A few bright or dark spots on an
LCD screen is normal. It does not
affect the operation of your TV.
Good picture, but
no sound.
•Increase the volume.
• Make sure that the sound is not
muted.
• 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 14
or “Connecting an antenna or
cable TV (no box)” on page 18.
• 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 52.
• The audio cable(s) you are using
may be bad. Try a new set.
Problem Solution
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