Troubleshooting - LG LH-W750TA Owner's Manual

32
Troubleshooting
Check the following guide for the possible
cause
of
a
problem before contacting service.
Symptom
No power.
The power is on, but
the DVD/CD Receiver
does
not
work.
No
picture.
There is
no
sound
or
only
a
very low-level
sound is heard.
The playback picture is
poor.
The DVD/CD Receiver
does
not start playback.
Loud hum
or
noise is
heard.
Cause
?
The power cord is disconnected.
?
No disc is inserted.
?
The TV is not set to receive DVD
signal
output.
?
The video cable is not connected
securely.
?
The connected TV power is turned off.
?
The
equipment
connected with the
audio cable is not set to receive DVD
signal
output.
?
The audio cables
are
not
connected
securely.
?
The power of the equipment connected
with the audio cable is turned off.
?
The audio
connecting
cable is
damaged.
?
The disc is
dirty.
?
No disc is inserted.
?
An unplayable disc is inserted.
?
The disc is
placed upside
down.
?
The disc is not placed within the guide.
?
The disc is
dirty.
?Amenu is
on
the TV
screen.
?
The
Rating
level is
set.
?
The
plugs
and
jacks
are
dirty.
?
The disc is
dirty.
?
The
speakers
and
components
are
connected
poorly.
?
The DVD/CD Receiver is located too
close
to
the TV.
Correction
?
Plug
the power cord
securely
into the
wall outlet.
?
Insert
a
disc.
(Check
that the DVD or,
audio CD indicator in the DVD
display
is
lit.)
?
Select the
appropriate
video
input
mode
on
the TV
so
the
picture
from the DVD/
CD Receiver appears
on
the TV
screen.
?
Connect the video cable into the
jacks
securely.
?T
urn on
the TV.
?
Select the
correct input
mode of the
audio receiver
so
you
can
hear the
sound from the DVD/CD Receiver.
?
Connect the audio cable into the
jacks
securely.
?T
urn on
the equipment connected with
the audio cable.
?
Replace
it with
a new one.
?
Clean the disc.
?
Insert
a
disc. (Check that the DVD,
or
audio CD indicator in the DVD
display
is
lit.)
?
Insert
a
playable disc. (Check the disc
type,
colour
system
and
Regional code.)
?
Place the disc with the
playback
side
down.
?
Place the disc
on
the disc
tray
correctly
inside the
guide.
?
Clean the disc.
?
Press the SET UP button
to turn
off the
menu screen.
?
Cancel the
Rating
function
or
change
the
rating
level.
?
Wipe
them with
a
cloth
slightly
mois-
tened with alcohol.
?
Clean the disc.
?
Connect the
speakers
and
components
securely.
?
Move your TV away from the audio
components.