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73
LC-50LB150U Sharp 50" LED TV
www.sharpusa.com
MHL-enabled device or Roku Streaming Stick
“No signal”
error message is
displayed.
• Press INPUT and make sure that
you have selected the correct
input for the device or service
you are trying to use.
• If you are using a cable or
satellite box, use the remote
that came with that box to
change channels.
• Make sure that you have the
correct input selected to view
channels from the cable or
satellite box.
After Auto
Channel Search,
there are no
channels.
• 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 TV.
• Try replacing the cable between
the antenna/cable or
cable/satellite box and your TV.
One or more
channels do not
display.
• Make sure that the channels are
not blocked. See “Setting
parental control levels” on
page 53.
• 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 “Hiding channels” on
page 49.
• If you are using a cable or
satellite box, use the remote
that came with that box to
change channels.
• Make sure that you have the
correct input selected to view
channels from the cable or
satellite box.
• If you are using an antenna, the
digital channel signal may be
low. To check the digital
channel signal strength, see
“Checking the digital signal
strength” on page 50.
Password is lost.
•Enter 9999 to access parental
controls, then set a new
password. See “Setting or
changing the password” on
page 51.
Some settings
cannot be
accessed.
• If a setting is grayed, the setting
is not available in the current
video input mode.
TV cabinet
creaks.
• When the 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.
Problem Solution
Control buttons
do not work.
• Make sure that the Button
Block option is set to Off. See
“Locking control buttons” on
page 52.
• Unplug the power cord, wait a
few seconds, then plug the cord
back in and turn on your TV.
TV keeps
turning off.
• Make sure that the sleep timer
is not turned on. See “Setting
the sleep timer” on page 59.
A retail banner
is displayed.
• You selected “Store” mode
when you ran the EZ SETUP
wizard. Reset your TV to the
factory defaults, then select
Home on the What is your
viewing environment screen. See
“Restoring settings to the
defaults” on page 69.
Problem Solution
The mobile
device does not
charge when
connected to
the
HDMI 2/MHL
jack.
• Make sure that the MHL cable is
connected securely to your TV
and the device.
• Make sure that you are using an
MHL cable. An MHL cable may
be difficult to identify. It may
look like a micro USB-to-HDMI
cable because the cable
connectors are the same, but
the cable itself is thinner. The
cable also may not be labeled
MHL.
My TV is not
displaying the
video or playing
the audio from
the connected
mobile device.
• Make sure that the MHL cable is
connected securely to your TV
and the device.
• Make sure that you are using an
MHL cable. An MHL cable may
be difficult to identify. It may
look like a micro USB-to-HDMI
cable because the cable
connectors are the same, but
the cable itself is thinner. The
cable also may not be labeled
MHL.
•Try adjusting the picture
settings on your TV.
• Some apps may not work on
your TV, depending on how the
app developer programmed
the app.
Problem Solution
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