Samsung UN46F7500 - Troubleshooting Common Issues; Flickering, Picture, and Brightness Problems; Powering On and Channel Issues

Troubleshooting
If
the
1V
seems
to
have a
problem,
first review this
list
of
possible problems
and
solutions. Also,
re
view
the
Troubleshooting
Section
in
the
e-Manual. If
none
of
the
troubleshooting
tips
appl
y,
visit www.samsung.
com/support or
call Samsung Customer Service at
1-800-SAMSUNG
(1
-800-726-7
86
4
).
Fl
ic
k
er
i
ng
and
Dim
m
ing
Componen
t C
on
n
ect
i
ons
/Sc
r
ee
n
Co
l
or
Scree
n
Br
ig
htn
ess
Auto
Motion
Plus/
Bl
ur
Un
wanted
Power
i
ng
Off
T
rouble
P
oweri
ng
On
S
tand
Assemb
ly
Canno
t
Fin
d a
Cha
nn
el
If
yo
ur
Sa
msun
g Tel
ev
i
sio
n
is
fli
ck
ering
or
di
mm
i
ng
spor
a
dic
all
y,
yo
u
may
need
to
disable
some of
the
en
er
gy e
ffi
cie
n
cy
f
eat
u
res.
Disab
le
Energy
Saving
(System >
Eco
Solution
>
Eco
Sensor
)
and
/or
Energy
Saving
(
System
>
Eco
Solution
>
Energy
Saving
)
and
ch
eck
again
.
If
yo
u fi
nd
tha
t
th
e
col
or
on
yo
ur
Sa
msu
ng
te
levision
sc
r
een
is not
correc
t
or
t
he
black
and
wh
ite
co
l
ors
are
o
ff,
run a
Se
lf
Di
ag
nosis
Pi
c
ture
T
est
(Support > Self Diagnosis > Picture
Test
).
If
th
e p
ictur
e p
rob
l
em
is c
au
se
d
by
t
he
1V,
th
e
prob
le
m s
hould
be
vi
si
bl
e
in
the
Pi
c
ture
Te
s
t.
If
the
pr
ob
lem
is
n
ot
visib
le,
ne
xt
conf
irm
that
the
1V
's
video
i
np
ut
jacks
are
co
nn
ec
t
ed
to
the
co
rrec
t
e
xt
e
rnal
vi
deo
dev
i
ce
ou
tp
ut
jacks
an
d
th
at n
one
of the
conne
ct
ions are
loose.
Fi
nally
,
if
possi
ble
,
t
es
t
you
r
externa
l vi
deo
dev
i
ces
by
co
n
necting
the
m to
another
1V
.
If
you
f
in
d
tha
t
th
e
colo
rs
on
your
Sa
ms
un
g
1V
are
cor
r
ec
t but
ju
st
a
little
t
oo
dar
k
or
b
ri
ght,
try
adj
us
ti
ng
th
e
fo
ll
ow
i
ng
sett
in
gs
firs
t.
Na
vi
gate
to Picture and
ad
ju
st
Backlight, Contrast, Brightness,
Sharpness
,
Color,
Tint
(G/R)
and
o
th
er
pi
ct
ur
e
qu
a
li
ty
a
dj
us
tm
ent
se
tti
ng
s.
If
yo
u
find
t
ha
t
there
is
a
blu
r
or
"g
hos
t"
sha
dow
to
th
e
imag
es
on
your
tel
ev
isi
on
s
cr
ee
n,
you
mi
gh
t
be
a
bl
e
to
co
r
rec
t t
he
i
ssue
usi
ng
Auto Motion
Plus
(Picture > Picture
Options >
Auto Motion
Plus
).
If
you
r
Sa
m
sung
1V
ap
pears
to
t
urn
o
ff
by
it
se
lf, t
ry
disa
blin
g
some
of
the
1V's
en
er
gy e
ffi
ciency
and
a
ut
omatic
off
feat
ur
es
. Ch
eck
if
Sleep
Timer (
System
>
Time
>
Sleep
Timer)
has
been
enabled
.
Sleep
Timer
au
tom
ati
ca
lly
turn
s
off
the
1V
afte
r
an
amou
nt
of
ti
me
that
yo
u
se
lec
t.
If
the
Sleep
Timer h
as
not
been
enab
l
ed,
see
if
No
Signal
Power
Off
(
System
>
Eco
Solution
>
No
Signal
Power
Off)
or
Auto
Power
Off (
System
>
Eco
Soluti
on
> Auto
Power
Off)
has
been
enabled
.
No
Signal
Power
Off
t
urns
o
ff
the
1V
if
no
si
gna
l
has
b
een
rec
ei
ve
d by
th
e
1V
for a
specifi
ed
per
iod
ti
me
. Auto Power
Off
tu
rns
off
the
1V
if
th
ere
has
been
no
use
r
inp
ut
in
four
hours.
When
the
TV
is
turned
on,
the
remote
control
receiver
flashes
5
times
before the
screen
turns
on.
If
yo
u fi
nd
th
at
you
are
hav
in
g
pr
ob
l
ems
p
ower
ing on
you
r
Sam
sun
g
te
l
ev
isi
on
,
th
ere are a
num
ber
of
th
i
ngs
to ch
eck
befo
re
ca
lli
ng
the
serv
i
ce
dep
art
ment
.
If
the
power
co
rd is
connec
ted
properly
and
t
he
r
emote
co
ntrol
is
operat
i
ng
norma
ll
y,
the
pr
ob
l
em
m
ight
be
wi
th
th
e a
nt
enna
cable
connect
ion
or
the
cab
l
e/sa
te
lli
te
box
not
being
turned
on.
Check
th
e
antenna
connect
i
on
or
turn
on
the
cab
l
e/sa
tel
l
ite
box.
If
yo
u
have
any tr
oub
le
assembl
in
g
th
e st
and
,
rev
i
ew
the st
an
d
assemb
ly
in
st
r
uct
i
on
in
th
e
Qu
ick
St
art
Guide
.
Re
-
ru
n
Setup
(Go
to
Menu
>
System
>
Setup
) or r
un
Auto
Program
.
(Go
to
Menu
> Broadcasting >
Auto
Program
).
~
For
deta
il
ed troublesh
oo
ting
information, watch the
tr
oublesh
oo
ting
vi
deos at
ww
w.sam
su
ng.
com
/
spsn.