Insignia NS-55D421NA16 User Manual page 69

Problem Solution
Only snow
• Try another channel. The station
(noise)
may be experiencing problems.
appears on
• Make sure that the antenna or cable
the screen.
TV is connected correctly and
securely. See
satellite box
Connecting an antenna or cable TV
(no box)
• If you are using an antenna, the
digital channel signal may be low. To
check the digital channel signal
strength, see
signal strength
• 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.
Picture quality
• The problem may be caused by a
is good on
poor or weak signal from the
some
broadcaster or cable TV provider.
channels and
• If you connect to cable without a
poor on
set-top box and experience poor
others. Sound
picture quality, you may need to
is good.
install a set-top box to improve
signal reception and picture quality.
Contact your cable TV provider
about upgrading to a set-top box.
Dotted lines
• Make sure that the antenna or cable
or stripes
TV is connected correctly and
appear on the
securely. See
screen.
satellite box
Connecting an antenna or cable TV
(no box)
• If you are using an antenna, the
digital channel signal may be low. To
check the digital channel signal
strength, see
signal strength
• 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 correctly and securely to
your TV.
• The video cable(s) you are using
may be bad. Try 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.
Double
• Use a highly directional outdoor
images.
antenna, cable TV, or satellite TV.
Connecting a cable or
on page 13 or
on page 17.
Checking the digital
on page 51.
Connecting a cable or
on page 13 or
on page 17.
Checking the digital
on page 51.
www.insigniaproducts.com
Problem Solution
The picture
• A few bright or dark spots on an LCD
has a few
screen is normal. It does not affect
bright or dark
the operation of your TV.
spots.
Good picture,
• Increase the volume.
but no sound.
• Make sure that the sound is not
muted.
• Make sure that you do not have
headphones connected. When
headphones are connected, no
sound comes from the TV speakers.
• Press AUDIO to change to a
different audio mode.
• If you are using a home theater
system, sound bar, or external
speaker system, make sure it is turn
on and is not muted.
• If you are using a home theater
system, sound bar, or external
speaker system, make sure that you
have selected the correct output
mode.
• If you are using a home theater
system, sound bar, or external
speaker system and have connected
it with a digital optical cable, go to
the Audio menu, highlight Digital
Audio Format/Audio Delay, then
press ENTER. Set the Audio Format
option to PCM. See the Digital
Audio Format/Audio Delay option
in Adjusting sound settings
page 46.
• Make sure that the audio cables are
connected correctly and securely to
your TV.
• Make sure that the antenna or cable
TV is connected correctly and
securely. See
satellite box
Connecting an antenna or cable TV
(no box)
• If you are using an antenna, the
digital channel signal may be low. To
check the digital channel signal
strength, see
signal strength
• The audio cables you are using may
be bad. Try a new set.
Poor picture.
• Make sure that the room is not too
bright. Light reflecting off the
screen can make the picture difficult
to see.
• If an S-VHS camera or a camcorder is
connected while another connected
device is turned on, the picture may
be poor. Turn off one or more
devices.
Good sound,
• Adjust the contrast, color, and
but poor
brightness settings. See
color.
the TV picture
Insignia 55" 1080p 60Hz LED TV
on
Connecting a cable or
on page 13 or
on page 17.
Checking the digital
on page 51.
Adjusting
on page 44.
65