36 TroubleshootingDX-24L230A12/DX-32L220A12/DX-46L261A12
Troubleshooting

Video and audio

Warning
Do not try to repair your TV yourself. Contact
authorized service personnel.
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
“Adjusting the TV picture” on page20.
No picture (screen is
not lit) and no
sound.
• Press on the TV or the remote
control.
• Make sure that the video cables are
connected s ecurel y to the back of your
TV.
• Adjust the contrast and brightness.
See “Adjusting the TV picture” on
page20.
• 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 page19.
• Try another channel. The station may
be experiencing problems.
• Make sure that the incoming signal is
compatible.
• Make sure the antenna or cable TV is
connected correctly and securely. See
“Connecting a cable or satellite box”
on page9 or “Connecting an antenna
or cable TV (no box)” on page12.
• 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 page9 or “Connecting an
antenna or cable TV (no box)” on
page12.
• Make sure that Audio Onl y option is
set to Off. See “Playing TV audio only”
on page23.
• Adjust the brightness. See “Adjusting
the TV picture” on page20.
• Make sure that the correct picture
mode is selected. See “Adjusting the
TV picture” on page20.
• 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 page25.
• 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 s ecurel y to the back of your
TV.
• The video cable(s) you are using may
be bad. Try a new set.
No color, dark
picture, or color is
not correct.
• Try another channel. The station may
be experiencing problems.
• Adjust the color saturation. See
“Adjusting the TV picture” on page20.
• Make sure that the video cables are
connected correctly and securely to
the back of your TV.
• Make sure that the antenna or cable TV
is connected correctly and securely.
See “Connecting a cable or satellite
box” on page9 or “Connecting an
antenna or cable TV (no box)” on
page12.
• 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 page25.
• 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.
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 page9 or “Connecting an
antenna or cable TV (no box)” on
page12.
• 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 page25.
• 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.
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 page9 or “Connecting an
antenna or cable TV (no box)” on
page12.
• 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 page25.
• 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 the back of your
TV.
• The video cable(s) you are using may
be bad. Try a new set.
• Other devices (for example, 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. Once 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.
Problem Solution
DX-24L-32L-46L_11-0908_V2.book Page 36 Thursday, August 25, 2011 2:57 PM