LG Electronics 20LV1R-MG

User Manual - Page 25

For 20LV1R-MG.

PDF File Manual, 28 pages, Download pdf file

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25
Troubleshooting
Checklist
The
audio
function
does
not
work.
Picture
OK
&
No
sound
?
Press
the
VOL
(or
Volume)
button.
?
Sound
muted?
Press
MUTE
button.
?
Try
another
channel.
The
problem
may
be
with
the
broadcast.
?
Are
the
audio
cables
installed
properly?
Unusual
sound
from
inside
the
product
?
A
change
in
ambient
humidity
or
temperature
may
result
in
an
unusual
noise
when
the
product
is
turned
on
or
off
and
does
not
indicate
a
fault
with
the
product.
No
output
from
one
of
the
speakers
?
Adjust
Balance
in
menu
option.
Screen
color
is
unstable
or
single
color
?
Check
the
signal
cable.
?
Reinstall
the
PC
video
card.
The
signal
is
out
of
range.
There
is
a
problem
in
PC
mode.
(Only
PC
mode
applied)
?
Adjust
resolution,
horizontal
frequency,
or
vertical
frequency.
?
Check
the
input
source.
Vertical
bar
or
stripe
on
background
&
Horizontal
Noise
&
Incorrect
position
?
Work
the
auto
adjust
or
adjust
clock
,
phase
in
video
noise,or
horizontal
vertical
in
postion.(option)
As
an
ENERGY
STAR
Partner
LGE
U.
S.
A.,Inc.
has
determined
that
this
product
meets
the
ENER-
GY
STAR
guidelines
for
energy
efficiency.
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