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Troubleshooting
37
DX-32L200NA14
• Use an eyeglass cleaner to clean the screen. Never
use alcohol, paint thinner, or benzine.
• Before using a chemically treated cloth, read the
instructions that came with the cloth.
• Do not spray insecticide liquid near your TV. Such
chemicals may cause damage and discoloration to
the exposed surfaces.
Servicing
Do not try to repair your TV yourself. There are no
user-serviceable parts inside. Turn off your TV, unplug the
power cord, then contact an authorized service center.
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 page 21.
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 securely to the back of your TV.
• Adjust the contrast and brightness. See
“Adjusting the TV picture
” on page 21.
• 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 19.
• 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 8 or “Connecting an antenna or cable
TV (no box)” on page 10.
• Check the closed caption settings. Some
TEXT modes can block the screen.
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.
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 8 or “Connecting an antenna or cable
TV (no box)” on page 10.
• Adjust the brightness. See “Adjusting the
TV picture” on page 21.
• Make sure that the correct picture mode is
selected. See “Adjusting the TV picture” on
page 21.
• 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 26.
• 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.
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 page 21.
• 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
page 8 or “Connecting an antenna or cable
TV (no box)” on page 10.
• 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 26.
• 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
page 8 or “Connecting an antenna or cable
TV (no box)” on page 10.
• 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 26.
• 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