LG 42LV4400 Owners Manual - Page 5

Cleaning, Effect - power supply

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@Cleaning When cleaning, unplug the power cord and rub gently with a soft cloth to prevent scratching. Do not spray water or other liquids directly on the TV as electric shock may occur. Do not clean with chemicals such as alcohol, thinners or benzene. _} Moving Make sure the product is turned off, unplugged and all cables have been removed. It may take 2 or more people to carry larger TVs. Do not press against or put stress on the front panel of the TV. O ANTENNAS Outdoor antenna grounding If an outdoor antenna is installed, follow the precautions below. An outdoor antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can come in contact with such power lines or circuits as death or serious injury can occur. Be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code (NEC) in the U.S.A. provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes and requirements for the grounding electrode. Antenna grounding according to the National Electrical Code, ANSI/NFPA 70 Ground Clamp ______ Antenna Lead in Wire NEC: National = Electrical NEC Section 810 21) Grounding Conductor (NEC Section 810 21) Code Ground Clamps Power Service Grounding Electrode System (NEC Art 250, Part H) Ventilation Install your TV where there is proper ventilation. Do not install in a confined space such as a bookcase. Do not cover the product with cloth or other materials (e.g.) plastic while plugged in. Do not install in excessively dusty places. Take care not to touch the ventilation openings. When watching long period, the ventilation may become hot. the TV for a openings If you smell smoke or other odors coming from the TV or hear strange sounds, unplug the power cord contact an authorized service center. Do not press strongly upon the panel with hand or sharp object such as nail, pencil or pen, or make a scratch on it. Keep the product away from direct sunlight. Dot Effect The Plasma or LCD panel is a high technology product with resolution of two million to six million pixels. In a very few cases, you could see fine dots on the screen while you're viewing the TV. Those dots are deactivated pixels and do not affect the performance and reliability of the TV Generated Sound "Cracking" noise: A cracking noise that occurs when watching or turning off the TV is generated by plastic thermal contraction due to temperature and humidity. This noise is common for products where thermal deformation is required. Electrical circuit humming/ panel buzzing: A low level noise is generated from a high-speed switching circuit, which supplies a large amount of current to operate a product. It varies depending on the product. This generated sound does not affect the performance of the product. and reliability 5

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@
Cleaning
When
cleaning,
unplug
the
power
cord
and
rub
gently
with
a soft
cloth
to
prevent
scratching.
Do
not
spray
water
or
other
liquids
directly
on the
TV
as
electric
shock
may
occur.
Do
not
clean
with
chemicals
such
as alcohol,
thinners
or
benzene.
_}
Moving
Make
sure
the
product
is turned
off,
unplugged
and
all cables
have
been
removed.
It may
take
2 or
more
people
to
carry
larger
TVs.
Do
not
press
against
or put
stress
on the
front
panel
of the
TV.
O
ANTENNAS
Outdoor
antenna
grounding
If an
outdoor
antenna
is installed,
follow
the
precautions
below.
An
outdoor
antenna
system
should
not
be
located
in the
vicinity
of overhead
power
lines
or
other
electric
light
or power
circuits,
or where
it can
come
in contact
with
such
power
lines
or
circuits
as death
or
serious
injury
can
occur.
Be sure
the
antenna
system
is grounded
so as to
provide
some
protection
against
voltage
surges
and
built-up
static
charges.
Section
810
of the
National
Electrical
Code
(NEC)
in the
U.S.A.
provides
information
with
respect
to
proper
grounding
of the
mast
and
supporting
structure,
grounding
of the
lead-in
wire
to an
antenna
discharge
unit,
size
of grounding
conductors,
location
of
antenna
discharge
unit,
connection
to
grounding
electrodes
and
requirements
for the
grounding
electrode.
Antenna
grounding
according
to the
National
Electrical
Code,
ANSI/NFPA
70
Ground
Clamp
______
Antenna
Lead
in
Wire
NEC
Section
810
21)
Grounding
Conductor
(NEC Section
810
21)
Ground
Clamps
Power
Service
Grounding
Electrode
System
(NEC
=
Art
250,
Part
H)
NEC:
National
Electrical
Code
Ventilation
Install
your
TV
where
there
is proper
ventilation.
Do
not
install
in a confined
space
such
as a bookcase.
Do
not
cover
the
product
with
cloth
or
other
materials
(e.g.)
plastic
while
plugged
in. Do
not
install
in excessively
dusty
places.
Take
care
not
to touch
the
ventilation
openings.
When
watching
the
TV
for
a
long
period,
the
ventilation
openings
may
become
hot.
If you
smell
smoke
or other
odors
coming
from
the
TV
or
hear
strange
sounds,
unplug
the
power
cord
contact
an
authorized
service
center.
Do
not
press
strongly
upon
the
panel
with
hand
or sharp
object
such
as nail,
pencil
or
pen,
or
make
a
scratch
on
it.
Keep
the
product
away
from
direct
sunlight.
Dot
Effect
The
Plasma
or
LCD
panel
is a high
technology
product
with
resolution
of
two
million
to
six million
pixels.
In a
very
few cases,
you
could
see
fine
dots
on
the
screen
while
you're
viewing
the
TV. Those
dots
are
deactivated
pixels
and
do
not
affect
the
performance
and
reliability
of the
TV
Generated
Sound
"Cracking"
noise:
A cracking
noise
that
occurs
when
watching
or
turning
off
the
TV
is generated
by
plastic
thermal
contraction
due
to
temperature
and
humidity.
This
noise
is common
for
products
where
thermal
deformation
is required.
Electrical
circuit
humming/
panel
buzzing:
A low
level
noise
is generated
from
a high-speed
switching
circuit,
which
supplies
a
large
amount
of current
to operate
a
product.
It varies
depending
on the
product.
This
generated
sound
does
not
affect
the
performance
and
reliability
of the
product.
5