70
LC-43LB371U/LC-50LB371U 43"/50" 1080p, 60Hz, LED Sharp Roku TV
General
Symptom
Possible cause
Try this...
No power
Power cord may not be
connected correctly
• Make sure that the power cord is correctly connected to both
your Sharp Roku TV power connector and power outlet. See
on page
. You should see an LED in the
front of your Sharp Roku 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 seconds, then plug the cord
back in and turn on your Sharp Roku TV.
Other devices may be
interfering
• Other devices (for example, a surround sound receiver,
external speakers, fans, or hair dryers) may be interfering with
your Sharp 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 Sharp Roku TV to eliminate the interference.
My TV tuner
does not pick
up as many
over-the-air
channels as it
should
Antenna may not be
placed optimally
• Adjust the antenna location and rescan. See
on page
Go to
Settings>Input
.
• Reception can vary by channel depending on the broadcast
power level of a given station. Contact your cable or satellite
TV provider.
• Make sure that the antenna or cable/satellite TV is connected
securely to your Sharp Roku TV.
• Try replacing the cable between the antenna/cable or
cable/satellite box and your Sharp Roku TV.
Broadcast TV may not be
set up
• Make sure that Antenna TV is set up. See
on page
One or more
channels do not
display
Channels may be
blocked or hidden
• Make sure that the channels are not blocked. See
on page
.
• Make sure that the channels are not hidden. The channel may
have been deleted from the channel list. You can tune to the
channel by pressing the number buttons or you can add the
channel back to the channel list. See
on page
.
The wrong input may be
selected
• Make sure that you have selected the correct input tile for the
device or service you are trying to use. See
on page
.
You may need to use the
remote control that
came with the cable or
satellite box
• If you are using a cable or satellite box, use the remote that
came with that box to change channels.
I lost my
parental control
PIN
Need PIN recovery
• You will need to factory reset your Sharp Roku TV, as the PIN
cannot be recovered or reset any other way. See
on page
.
Go to
Settings>System>Factory reset
.
Some settings
cannot be
accessed
Not all settings are
available for all devices
or inputs
• If the icon or a menu option is grayed, you cannot adjust
settings for the current video input mode.
TV cabinet
creaks
This is normal
• When your Sharp Roku TV is in use, the temperature rises
naturally and may cause the cabinet to expand or contract
which can cause a creaking noise. This is not a malfunction.
Control buttons
do not work
Sharp Roku TV may be
frozen
• Unplug the power cord, wait a few seconds, then plug the cord
back in and turn on your Sharp Roku TV.
Sharp Roku TV
keeps turning
off
Sleep time may be
turned on
• Make sure that the sleep timer is not turned on. See the
Sleep
Timer
option in
on page
or
