Magnavox 37MD350B/F7 TV DVD Combo User Manual


 
52
52
EN
T
T
ROUBLESHOOTING
Troubleshooting Guide
g
If the unit does not perform properl
y
when operated as instructed in this manual,
check the following chart and all connections once before calling for service.
gg
Symptom Remedy
T
V
No power
M
ake sure the AC power cord is plu
gg
ed in.
M
ake sure that the AC outlet supplies the proper volta
g
e, plu
g
another electrical
a
pp
liance into the AC outlet.
If a power failure occurs, unplu
g
the AC power cord for 1 minute to allow the unit
to
r
eset
i
tse
lf
.
Control button does not work.
Press on
l
y one
b
utton at a time. Do NOT press more t
h
an one
b
uttons at t
h
e same
t
i
me
.
Power is ON but no screen
image.
Check whether the connection of the antenna
,
cable receiver or satellite box is
connected correctl
y
.
Check whether all the cables to the unit are connected to the correct output
j
ac
k
of
y
our device like BD/DVD recorder.
M
ake sure that the selected input mode is connected to the working input
j
ack.
Check if
y
our computer is NOT in sleep mode when the input mode of this unit is
in PC mode. Tap an
y
ke
y
on the ke
y
board to wake up
y
our computer
.
No picture or sound
Check i
f
the power is on.
Check i
f
the right input mode is selected.
C
h
ec
k
w
h
et
h
er a
ll
t
h
e ca
bl
es to t
h
e unit are connecte
d
to t
h
e correct output jac
k
o
f
y
our device like BD/DVD recorder.
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mig
h
t
b
e
l
imite
d
to t
h
e
b
roa
d
casting station.
T
urn o
ff
the unit and wait
f
or about 1 minute, then turn on the unit again.
Check whether the connection o
f
the antenna
,
cable receiver or satellite box is
connecte
d
correct
ly
.
M
a
k
e sure t
h
at t
h
e se
l
ecte
d
input mo
d
e is connecte
d
to t
h
e wor
k
ing input jac
k
.
Check i
f
y
our computer is NOT in sleep mode when the input mode o
f
this unit is
in PC mo
d
e. Tap an
y
k
e
y
on t
h
e
k
e
yb
oar
d
to wa
k
e up
y
our computer
.
Make
su
r
e
that
the
sou
n
d
i
s
n
ot
m
uted.
Pr
ess
[
MUTE
]
so
that
the
v
olu
m
e
ba
r
a
n
d
current vo
l
ume
l
eve
l
wi
ll
a
pp
ear on t
h
e TV screen
.
M
ake sure that the volume is NOT set to “0” or “Mute”. I
f
so
,
use
[
VOL
+
/
-
]
to
a
d
just t
h
e
d
esire
d
vo
l
ume
.
No color
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mig
h
t
b
e
l
imite
d
to t
h
e
b
roa
d
casting station.
Ad
just “Co
l
or” in t
h
e main menu.
Adjusted ‘‘PICTURE” or ‘‘SOUND”
is not effective every time turn
on the unit.
• You must set ”Home” in ”Location”. Refer to page 35.
Otherwise, the settings you adjusted will not be memorized after you turn off the
unit.
Sound OK, picture poor
Electrical inter
f
erence
f
rom nearb
y
appliances ma
y
a
ff
ect picture qualit
y.
A
djust “Contrast” and “Brightness” in the main menu.
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mi
gh
t
b
e
l
imite
d
to t
h
e
b
roa
d
castin
g
station.
For the best picture qualit
y
, watch “high de
f
inition” wide screen programs.
If the HD content is not available, watch “standard definition” pro
g
rams instead.
Picture OK, sound poor
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mig
h
t
b
e
l
imite
d
to t
h
e
b
roa
d
casting station.
Check i
f
the audio cable is connected in correctly
.
You see a distorted picture or
hear an unusual sound.
You ma
y
be getting interference from electrical appliances, automobiles,
motorc
y
cles or  uorescent lights.
T
r
y
moving the unit to another location to see if this is the cause of the problem.
Ghosts, lines or streaks in
picture
Electrical interference from nearb
y
appliances ma
y
affect picture qualit
y.
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mi
gh
t
b
e
l
imite
d
to t
h
e
b
roa
d
castin
g
station.
You see “noise” or “trash” on the
screen.
W
hen the capabilities o
f
the unit exceed the capabilities o
f
the digital
broadcasting, the signal will be increased to match the capabilities o
f
the display
o
f
the unit. This may cause noise or trash.
Different color marks on the TV
screen
V
iew ot
h
er TV c
h
anne
l
s. T
h
e pro
bl
em mig
h
t
b
e
l
imite
d
to t
h
e
b
roa
d
casting station.