Insignia NS-39D40SNA14 User Manual page 71

Insignia 39" LED TV
Problem Solution
Only snow (noise)
• Try another channel. The station
appears on the
screen.
• Make sure that the antenna or
• If you are using an antenna, the
• If you are using an antenna and
Picture quality is
• The problem may be caused by
good on some
channels and poor
on others. Sound
is good.
• If you connect to cable or
may be experiencing problems.
cable TV is connected correctly
and securely. See "Connecting a
cable or satellite box" on
page 13 or "Connecting an
antenna or cable TV (no box)"
on page 18.
digital channel signal may be
low. To check the digital
channel signal strength, see
"Checking the digital signal
strength" on page 48.
the signal strength is low, adjust
the antenna or use a highly
directional outdoor antenna or
set-top antenna with a built-in
amplifier.
a poor or weak signal from the
broadcaster or cable TV
provider.
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.
www.insigniaproducts.com
Problem Solution
Dotted lines or
• Make sure that the antenna or
stripes appear on
the screen.
• If you are using an antenna, the
• If you are using an antenna and
• Make sure that the video cables
• The video cable(s) you are using
• Other devices (for example, a
Double images.
• Use a highly directional outdoor
The picture has a
• A few bright or dark spots on an
few bright or dark
spots.
cable TV is connected correctly
and securely. See "Connecting a
cable or satellite box" on
page 13 or "Connecting an
antenna or cable TV (no box)"
on page 18.
digital channel signal may be
low. To check the digital
channel signal strength, see
"Checking the digital signal
strength" on page 48.
the signal strength is low, adjust
the antenna or use a highly
directional outdoor antenna or
set-top antenna with a built-in
amplifier.
are connected securely to your
TV.
may be bad. Try a new set.
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.
antenna, cable TV, or satellite
TV.
LCD screen is normal. It does
not affect the operation of
your TV.
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