Sharp LC-42LB261U, Руководство пользователя

Страница: 79 / 89

74
LC-42LB261U/LC-50LB261U Sharp 42"/50" LED TV
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 15
or “ Connecting an antenna or
cable TV (no box) ” on page 20 .
• Adjust the brightness. See
“ Adjusting the TV picture ” on
page 52 .
• Make sure that the correct picture
mode is selected. See “ Adjusting
the TV picture ” on page 52 .
• 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 .
• 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 52 .
• 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 15
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 .
• 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
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 15
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 .
• 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