Insignia Roku TV NS-32DR420CA16 User Manual page 75

Symptom Possible cause
Cables may not be
connected correctly
Dotted lines or
Broadcast signal may be
stripes appear
weak
on the screen
Double images Broadcast signal may be
weak
The picture has This is normal in LED TVs
a few bright or
dark spots.
Volume is down or
muted
Headphones may be
connected
TV speakers may be
turned off
You may need to change
the audio mode
Home theater system,
sound bar, or external
speaker system may not
Good picture,
be turned or may not be
but no sound
set up correctly
Bad content, no audio
Cables may not be
connected correctly
70
Try this...
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box
page 16 or Connecting an antenna or cable TV (no box)
page 19.
• Make sure that the video cables are connected correctly and
securely to your Insignia Roku TV.
• The video cable(s) you are using may be bad. Try a new set.
• 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.
• Other devices (for example, a surround sound receiver,
external speakers, fans, or hair dryers) may be interfering with
your Insignia Roku 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 your Insignia Roku TV to eliminate the
interference.
• 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.
• If you are using an antenna and the signal strength is low,
switch to a cable or satellite box.
• A few bright or dark spots on an TV screen is normal. It does
not affect the operation of your Insignia Roku TV.
• Increase the volume.
• 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 your
Insignia Roku TV speakers.
• If you want sound to play through your Insignia Roku TV
speakers, make sure that your Insignia Roku TV speakers are
turned on. See Turning off Insignia Roku TV speakers
page 62.
• Change to a different audio mode. See
mode on page 62.
• If you are using a home theater system, sound bar, or external
speaker system, make sure that it is turned on and is not
muted and that it is set to the correct source.
• If you connected an ARC audio device to the HDMI 1/ARC
jack, make sure that you have turned on the ARC feature. See
the HDMI ARC option in
on page 63.
• If you are using a home theater system, sound bar, or external
speaker system and have connected it with a digital audio
cable, see Setting up a digital audio connection
• Make sure that the audio cables are connected correctly and
securely to your Insignia Roku TV.
• Make sure that the selected channel or content is intended to
be broadcasting with sound.
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box
page 16 or Connecting an antenna or cable TV (no box)
page 19.
• The audio cables you are using may be bad. Try a new set.
www.insigniaproducts.com
32"/55" 1080p, 60Hz, LED Insignia Roku TV
Changing the audio
Setting up a digital audio connection
on page 63.
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