66
NS-40D40SNA14 Insignia 40" LED TV
www.insigniaproducts.com
Only snow (noise)
appears on the
screen.
• 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 12 or “Connecting an
antenna or cable TV (no box)”
on page 17.
• 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 page47.
• 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 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.
Problem Solution
Dotted lines or
stripes 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 12 or “Connecting an
antenna or cable TV (no box)”
on page17.
• 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 page47.
• 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 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 images. • Use a highly directional outdoor
antenna, cable TV, or satellite
TV.
The picture has a
few bright or dark
spots.
• A few bright or dark spots on a n
LCD screen is normal. It does
not affect the operation of
your TV.
Problem Solution