Dynex DX-32L200A12 - Manual (Page 40)

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Maintaining DX-32L200A12/DX-37L200A12/DX-46L262A12
• Random—To randomly select a transition
effect.
7 Press EXIT to close the menu.
Maintaining
Cleaning
Before cleaning the screen, unplug your TV from the
power outlet.
Clean your TV with a soft, dry cloth. If surfaces are
extremely dirty, use a soft cloth dampened with a weak
detergent solution.
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 18.
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 18.
• 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 17.
• 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 page 8 or “Connecting an antenna
or cable TV (no box)” on page 11.
• 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 11.
• Make sure that Audio Only option is
set to Off. See “Playing TV audio only”
on page 20.
• Adjust the brightness. See “Adjusting
the TV picture” on page 18.
• Make sure that the correct picture
mode is selected. See “Adjusting the
TV picture” 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 23.
• 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 18.
• 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 11.
• 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 23.
• 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
DX-32L-37L-46L_11-1082_MAN_V2_EN.book Page 36 Tuesday, November 22, 2011 1:09 PM