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OSeTroubleshooting
and
Maintenance
Troubleshooting
If
the
TV
seems
to
have
a
problem,
first
review
this
list
of
possible
problems
and
solutions.
Also,
review
the
Troubleshooting
Section
in
thee-Manual.
If
none
of
the
troubleshooting tips
apply,
visit
www.
samsung.com/
support or
call
Samsung
Customer
Service
at
1-800-SAMSUNG
(1-800-726-7864).
Issues
Solutions
and
Explanations
Flickering
and
Dimming
Try
disabling
some
of the
TV's
energy
efficiency
features
.
Disable
Energy
Saving
(System
>
Eco
Solution
>
Eco
Sensor)
and/or
Energy
Saving
(System>
Eco
Solution>
Energy
Saving)
and
check
again
.
Screen
Color
is
Not
Correct
Run
a
Self
Diagnosis
Picture
Test
(Support>
Self
Diagnosis>
Picture
Test)
.
If
the picture
problem
is
caused
by
the
TV,
the
problem
should
be
visible
in
the
Picture
Test.
If
the
problem
is
not
visible,
next confirm that
the
TV's
video
input
ports
are
connected
to
the
correct
external
video
device
output
ports
and
that
none
of the
connections
are
loose.
Finally,
if
possible,
test
your
external
video
devices
by
connecting
them
to another
TV.
Screen
Brightness
Adjust
the
following
settings
:
Navigate
to
Picture
and
adjust
Backlight,
Contrast,
Brightness,
Sharpness,
Color,
Tint
(G/R)
and
other picture
qual
i
ty
adjustment sett
in
gs.
Unwanted
Powering
Off
Check
if
Sleep
Timer
(System>
Time>
Sleep
Timer)
has
been
enabled.
Sleep
Timer
automatically turns off the
TV
after
an
amount of time that
you
select.
If the
Sleep
Timer
has
not
been
enabled,
see
if
No
Signal
Power
Off
(System
>
Eco
Solution
>
No
Signal
Power
Off)
or
Auto
Power
Off
(System
>
Eco
Solution
>Auto
Power
Off)
has
been
enabled
.
No
Signal
Power
Off
turns
off
the
TV
if
no
signal
has
been
received
by
the
TV
for a
specified
period
time.
Auto
Power
Off
turns
off
the
TV
if
there
has
been
no
user
input
in
four
hours
.
Trouble
Powering
On
Confirm that
the
power
cord
is
connected
and
that the
remote
has
live
batteries
and
is
functioning
correctly
.
If
the power
cord
is
connected
properly
and
the
remote
control
is
operating
normally,
there
might
be
a
problem
with the
antenna
cable
connection or
the
cable/satell
i
te
box
might not
be
turned
on
.
Check
the
antenna
connection or turn
on
the
cable/satellite
box
.
Stand
Assembly
If
you
have
any
trouble
assembling
the
stand,
review
the
stand
assembly
instruction
in
the
Quick
Start
Gu
i
de.
Cannot
Find
a
Channel
Re-run
Setup
(Go
to
MENU>
System>
Setup)
or
run
Auto
Program.
(Go
to
MENU>
Broadcasting>
Auto
Program).
-
For
detailed troubleshooting information, watch the troubleshooting vi
deos
at
www
.sa
msung.com/spsn
.