Sharp Lc43lb371u User Guide

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LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Controlling other devices through CEC
Consumer Electronics Control (CEC) enables your TV and other CEC-compatible home entertainment components to 
control one other in various ways. First, the CEC-compatible devices must “discover” one another and report their 
capabilities. After this, one device can control another according to the features you enable. For example, playing a disc on a 
Blu-ray player could switch your TV to the...

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 LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Restarting your TV
You can restart your TV when necessary. Restarting has the same effect as unplugging your TV power and then plugging it 
in again.
To restart your T V, navigate to Settings > System > Power and then select System restart. Highlight Restart, and then 
press OK to confirm restart. 
While your TV restarts, the screen goes dark for a few seconds, and then displays the startup screen for a few more seconds. 
When the...

68
LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Getting system updates
If your TV is connected to the Internet and linked with a Roku account, it will automatically get updates from time to time. 
You don’t need to do anything. But if you are aware that an update is available and you don’t want to wait until your TV 
updates itself, you can manually check for updates.
If your TV is not connected to the Internet, you can still get updates by using a USB flash drive.
You can...

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 LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
5On the 12-digit code page, enter the code your TV displayed, and then click 
Next.
6On the 6-digit code page, write down the 6-digit code that appears, and then 
take it back to your TV.
7Using your T V remote control, select Next to move to the next screen, and then 
use the on-screen keyboard to enter the 6-digit code. When finished, select OK. 
The system update begins. Do not remove the USB flash drive until your TV...

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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 TV yourself. Contact authorized service personnel.
Note
If the problem is not solved by using these troubleshooting instructions, 
turn off your TV, then turn it on again....

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 LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Dark, poor, or 
no picture 
(screen is lit), 
but sound is 
goodBroadcast 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...

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LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Dotted lines or 
stripes appear 
on the screenCables 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 
page15 or Connecting an antenna or cable TV (no box) on 
page18.
• Make sure that the video cables are connected correctly and 
securely to your T V.
• The video cable(s) you are using may be bad. Try a new set.
Broadcast signal...

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 LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Remote control
Poor pictureLight in the viewing area 
may be interfering• Make sure that the room is not too bright. Light reflecting off 
the screen can make the picture difficult to see.
A connected camera or 
camcorder may be 
interfering• If an S-VHS camera or a camcorder is connected while another 
connected device is turned on, the picture may be poor. Turn 
off one or more devices.
Audio noise Other devices may be...

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LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
General
SymptomPossible causeTr y t h is .. .
No powerPower cord may not be 
connected correctly• Make sure that the power cord is correctly connected to both 
your TV power connector and power outlet. See Connecting 
power on page30. You should see an LED in the front of your 
TV panel when a button on the remote is pressed. If you see no 
LED activity, try in another outlet or check your fuse box.
• Unplug the power cord, wait 60...

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 LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
Roku
Network
Some features 
are not 
availableThe wrong TV mode may 
be selected• You may have Set up for store mode when you set up your 
TV. Store use mode is for retail environments only. In Store use 
mode, some of your T V’s features are missing or limited. If you 
selected Set up for store use and you want to change to Set 
up for home use, you have to reset your TV to the factory 
defaults. See Factory reset everything on...