Insignia ns-39l700a12 Guía Del Usuario
45
Insignia 39" LCD TV
www.insigniaproducts.com
Troubleshooting
Video and audio
Warning
Do not try to repair your TV yourself. Contact
authorized service personnel.
authorized service personnel.
Problem
Solution
Picture does not fill the
screen. There are black bars
around the picture.
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 picture” on
page 23.
of digital TV and movies are presented in wide
screen (16:9). See “Adjusting the picture” on
page 23.
No picture (screen is not lit)
and no sound.
and no sound.
•
Press
on the TV or the remote control.
•
•
Make sure that the video cables are connected
securely to your TV.
securely to your TV.
•
•
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 20.
selected. See “Selecting the video input source”
on page 20.
•
Try another channel. The station may be
experiencing problems.
experiencing problems.
•
Make sure that the incoming signal is
compatible.
compatible.
•
Make sure that the antenna or cable TV is
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
•
Check the closed caption settings. Some TEXT
modes can block the screen.
modes can block the screen.
Dark, poor, or no picture
(screen is lit), but sound is
good.
(screen is lit), but sound is
good.
•
Try another channel. The station may be
experiencing problems.
experiencing problems.
•
Make sure that the antenna or cable TV is
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
•
Adjust the brightness. See “Adjusting the
picture” on page 23.
picture” on page 23.
•
•
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 28.
signal may be low. To check the digital channel
signal strength, see “Checking the digital signal
strength” on page 28.
•
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.
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.
securely to your TV.
•
The video cable(s) you are using may be bad. Try
a new set.
a new set.
•
Try another channel. The station may be
experiencing problems.
experiencing problems.
No color, dark picture, or
color is not correct.
color is not correct.
•
Try another channel. The station may be
experiencing problems.
experiencing problems.
•
Adjust the color settings. See “Adjusting the
picture” on page 23.
picture” on page 23.
•
Make sure that the video cables are connected
correctly and securely to your TV.
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 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
•
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 28.
signal may be low. To check the digital channel
signal strength, see “Checking the digital signal
strength” on page 28.
•
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.
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.
on the screen.
•
Try another channel. The station may be
experiencing problems.
experiencing problems.
•
Make sure that the antenna or cable TV is
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
•
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 28.
signal may be low. To check the digital channel
signal strength, see “Checking the digital signal
strength” on page 28.
•
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.
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.
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.
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.
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.
Dotted lines or stripes
appear on the screen.
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 page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
connected correctly and securely. See
“Connecting a cable or satellite box” on page 10
or “Connecting an antenna or cable TV (no box)”
on page 13.
•
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 28.
signal may be low. To check the digital channel
signal strength, see “Checking the digital signal
strength” on page 28.
•
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.
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.
securely to your TV.
•
The video cable(s) you are using may be bad. Try
a new set.
a new set.
•
Other devices (for example, a 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. After you have
determined which device is causing
interference, move it further from the TV to
eliminate the interference.
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. After 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.
TV, or satellite TV.
Problem
Solution