Faq; Video And Audio - Sharp LC-55LBU711U User Manual

FAQ

For the latest answers to Frequently Asked Questions, visit the Common Questions section at
https://www.sharptvusa.com/support

Video and audio

SYMPTOM
Picture does not
fill the screen or
there are black
bars around the
picture
I don't see a
picture when I
select an input
TV channel
does not appear
Dark, poor, or
no picture
(screen is lit),
but sound is
good
and the Support section of the Roku website (https://support.roku.com/index).
POSSIBLE CAUSE
The picture size may
need to be adjusted
TV is not on
Cables are not
connected correctly
Picture settings may be
incorrect
Incorrect input may be
selected
Input source not
detected
TV input may be bad
Broadcast TV may be
experiencing problems
or may not be set up
Broadcast TV may be
experiencing problems
or may not be set up
Cables may not be
connected correctly
Picture settings may be
incorrect
TRY THIS...
• Adjust the picture size (aspect ratio). See the Picture Size option
in the Options menu.
• Make sure that your TV is plugged into a working power outlet,
and that your TV is turned on. (Your TV has a light on the front
that indicates if your TV is turned off.)
• Make sure that the video cables are connected correctly and
securely to your TV.
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box
or Connecting an antenna or cable TV (no box)
• Adjust the contrast and brightness. See the TV brightness
option in the Settings menu or Options menu.
• Adjust the TV picture.
• Make sure that the correct input is selected for the device you
want to view.
• Make sure that the device connected to the input is turned on.
• Make sure that the cord to and from the device is connected
firmly and correctly to the device and your TV.
• Connect a different device to the same input and check to see if
it works correctly.
• Try another channel. The station may be experiencing problems.
• Make sure that the incoming signal is compatible.
• If you are trying to watch broadcast TV, make sure that Antenna
TV is 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.
• Make sure that the antenna or cable TV is connected correctly
and securely. See Connecting a cable or satellite box
or Connecting an antenna or cable TV (no box)
• 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.
• 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.
LED TV
on page 12
on page 13.
on page 12
on page 13.
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