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LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Troubleshooting
FAQ
For the latest answers to Frequently Asked Questions, visit Common Questions section of the
http://www.sharpusa.com/manuals/hd.aspx
and the Support section of the Roku website (
www.roku.com
).
Video and audio
Warning
Do not try to repair your Sharp Roku TV yourself. Contact authorized service
personnel.
Note
If the problem is not solved by using these troubleshooting instructions,
turn off your Sharp Roku TV, then turn it on again.
Symptom
Possible cause
Try this...
Picture does not
fill the screen or
there are black
bars around the
picture
The picture size may
need to be adjusted
• Adjust the picture size (aspect ratio). See the
Picture Size
option in
Advanced picture settings menu options
on page
I don’t see a
picture when I
select an input
Sharp Roku TV is not on
• Make sure that your Sharp Roku TV is plugged into a working
power outlet, and that your Sharp Roku TV is turned on. (Your
Sharp Roku TV had a light on the front that indicates if your
Sharp Roku TV is turned off. See
on page
.)
Cables are not
connected correctly
• Make sure that the video cables are connected
correctly and
securely
to your Sharp Roku TV.
• Make sure that the antenna or cable TV is connected correctly
Connecting a cable or satellite box
page
Connecting an antenna or cable TV (no box)
on
page
Picture settings may be
incorrect
• Adjust the contrast and brightness. See the
TV brightness
on page
or
on
page
• Adjust the TV picture. See
page
Incorrect input may be
selected
• Make sure that the correct input is selected for the device you
want to view. See
on page
.
Input source not
detected
• 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 Sharp Roku TV.
TV input may be bad
• Connect a different device to the same input and check to see
if it works correctly.
TV channel
does not appear
Broadcast TV may be
experiencing problems
or may not be set up
• 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
on page