Servicing; Troubleshooting; Video And Audio - Dynex DX-26L100A13 User Manual

36
DX-26L100A13
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

Warning
Do not try to repair your TV yourself. Contact
authorized service personnel.

Video and audio

Problem Solution
Picture does not fill • Change the aspect ratio. An increasing
the screen. There are amount of digital TV and movies are
black bars around presented in wide screen (16:9). See
the picture. "Adjusting the TV picture" on page 21.
No picture (screen is
• Press
not lit) and no
• Make sure that the video cables are
sound.
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 9 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 • The problem may be caused by a poor or
good on some weak signal from the broadcaster or cable
channels and poor TV provider.
on others. Sound is • If you connect to cable or satellite TV
good. 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.
on the TV or the remote control.
Problem Solution
Dark, poor, or no • Try another channel. The station may be
picture (screen is lit), experiencing problems.
but sound is good. • Make sure that the antenna or cable TV is
connected correctly and securely. See
"Connecting a cable or satellite box" on
page 9 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 23.
• 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 • Try another channel. The station may be
picture, or color is experiencing problems.
not correct. • 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 9 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 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) • Try another channel. The station may be
appears on the experiencing problems.
screen. • Make sure that the antenna or cable TV is
connected correctly and securely. See
"Connecting a cable or satellite box" on
page 9 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 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.
Troubleshooting