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40
43"/50"/55"/65" UHD LED 2160p Sharp Roku TV
Dark, poor, or
no picture
(screen is lit),
but sound is
good
Broadcast TV may be
experiencing problems
or may not be set up
• Try another channel. The station may be experiencing problems.
• 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.
Cables may not be
connected correctly
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box on page 19
or Connecting an antenna or cable TV (no box) on page 22.
• Make sure that the video cables are connected correctly and
securely to your TV.
• The video cable(s) you are using may be bad. Try a new set.
Picture settings may be
incorrect
• Adjust the brightness. See the TV brightness option in the
Settings menu or Options menu.
• Change to a different picture mode. See the Picture mode
option in the Options menu or Advanced Picture Settings menu.
No color, dark
picture, or color
is not correct
Picture settings may be
incorrect
• Adjust the contrast, color, and brightness settings. See the TV
brightness option in the Settings menu or the Options menu.
Broadcast TV may be
experiencing problems
• Try another channel. The station may be experiencing problems.
• 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.
Cables are not
connected correctly
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box on page 19
or Connecting an antenna or cable TV (no box) on page 22.
• Make sure that the video cables are connected correctly and
securely to your TV.
• The video cable(s) you are using may be bad. Try a new set.
Only snow
(noise) appears
on the screen
Broadcast TV may be
experiencing problems
or may not be set up
• Try another channel. The station may be experiencing problems.
• If you are trying to watch broadcast TV, make sure that Antenna
TV is set up.
• 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.
Cables may not be
connected correctly
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box on page
19
or Connecting an antenna or cable TV (no box) on page 22.
Picture quality is
good on some
channels and
poor on others.
Sound is good
Broadcast signal may be
weak
• If you connect to cable 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
TV provider about upgrading to a set-top box.
Dotted lines or
stripes appear
on the screen
Cables may not be
connected correctly
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box on page 19
or Connecting an antenna or cable TV (no box) on page 22.
• Make sure that the video cables are connected correctly and
securely to your TV.
• The video cable(s) you are using may be bad. Try a new set.
Broadcast signal may be
weak
• 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 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 TV to eliminate
the interference.
Symptom Possible cause Try this...
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