Insignia NS-39E400NA14 User Manual page 75

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.
70
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.
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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NS-39E400NA14 Insignia 39" LED TV
Problem Solution
Good picture, but
• Increase the volume.
no sound.
• Make sure that the sound is not
• Make sure that you do not have
• Make sure that the correct
• Make sure that the audio cables
• Make sure that the antenna or
• If you are using an antenna, the
• The audio cable(s) you are using
Poor picture.
• Make sure that the room is not
• If an S-VHS camera or a
Good sound, but
• Adjust the contrast, color, and
poor color.
Audio noise.
• Other devices (for example, a
muted.
headphones connected. When
headphones are connected, no
sound comes from the TV
speakers.
audio mode is selected.
are connected correctly and
securely to your TV.
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.
digital channel signal may be
low. To check the digital
channel signal strength, see
"Checking the digital signal
strength" on page 48.
may be bad. Try a new set.
too bright. Light reflecting off
the screen can make the picture
difficult to see.
camcorder is connected while
another connected device is
turned on, the picture may be
poor. Turn off one or more
devices.
brightness settings. See
"Adjusting the TV picture" on
page 40.
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.