Troubleshooting
Problem
Possible
Solution
No
power
Check
if
you
pressed
POWER
on
the
remote
control
unit.
Is
the
AC
cord
disconnected?
Has
the
power
been
turned
on?
Unit
cannot
be
operated.
External
influences
such
as
lightning,
static
electricity,
may
cause
improper
operation.
In
this
case,
operate
the
unit
after
first
turning
off
the
power
of
the
TV
or
unplugging
the
AC
cord
and
replugging
it
in
after
1
or
2
minutes.
Remote
control
unit
does
not
operate.
Is
the
equipment
to
be
operated
by
the
remote
control
unit
set
correctly?
Press
TV
to
set
the
remote
control
unit
to
the
setting
for
operating
the
TV.
Are
batteries
inserted
with
polarity
(+,
-)
aligned?
Are
batteries
worn
out?
(Replace
with
new
batteries.)
Are
you
using
it
under
strong
or
fluorescent
lighting?
Is
a
fluorescent
light
illuminated
near
the
remote
control
sensor?
Is
"RC
Control
Lock"
selected
in
"Operation
Lock
Out"?
If
you
are
using
a
touchpad
remote
control
unit,
has
the
pairing
operation
finished?
Picture
is
cut
off/with
sidebar
screen.
Are
screen
mode
adjustments
such
as
picture
size
made
correctly?
Strange
colour,
light
colour,
or
colour
misalignment
Adjust
the
picture
tone.
Is
the
room
too
bright?
The
picture
may
look
dark
in
a
room
that
is
too
bright.
Power
is
suddenly
turned
off.
Is
the
sleep
timer
set?
Check
the
power
control
settings.
The
unit's
internal
temperature
has
increased.
Remove
any
objects
blocking
vent
or
clean.
Problem
Possible
Solution
No
picture
Is
connection
to
other
components
correct?
If
the
PC
image
is
not
displayed,
check
the
following:
-
When
connecting
a
laptop
PC
to
the
TV,
check
that
display
output
mode
of
the
PC
is
set
to
external
monitor.
-
Check
the
resolution
setting
on
the
PC.
Is
a
non-compatible
signal
being
input?
For
4K60P
signals
applied
to
an
HDMI
input,
the
external
device
may
not
be
outputting
signals
correctly.
Set
"HDMI
Type
Selection"
to
"Limited".
Picture
quality
of
HD
programs
is
poor.
To
enjoy
HD
images
from
external
equipment,
you
are
required
to
set
up
HDMI
connection
or
component
connection.
If
the
program
content
is
not
of
HD
quality,
HD
images
cannot
be
displayed.
Check
that
the
program
you
are
viewing
provides
HD
images.
The
HD
cable/satellite
set-top
box
may
need
to
be
configured
to
output
HD
images
via
cable/satellite.
The
cable/satellite
broadcast
may
not
support
a
signal
resolution
of
1080p.
The
TV
sometimes
makes
a
cracking
sound.
This
is
not
a
malfunction.
This
happens
when
the
cabinet
slightly
expands
and
contracts
according
to
change
in
temperature.
This
does
not
affect
the
TV's
performance.
Appendix
EN
10-1
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