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