Safety Precautions; Important Safety - LG 55LB6500 Service Manual

Many
and mechanical
electrical
Schematic and
Diagram
essential that these
is
It
Shock Hazards
or other
Fire
Do
not the
modify
original
Guidance
General
An
Transformer
isolation
whose
of a receiver
servicing
Use
line a transformer
power
the technician from
protects
shocks
from
electrical
also the receiver
will protect
It
accidental
damaged
by
introduced
inadvertently during
fuse
or Fusible
any Resistor
If
with the
replace specified
it
When
a
wattage
replacing high
W
over keep the resistor
1
wires from
Keep away
high
Before the receiver
returning
AC
perform an
always leakage
metallic of the
parts cabinet
be
the safe
sure set is to
shock
Cold CheckAntenna
Current
Leakage
AC
With
the instrument
plug
across
electrical
jumper
connect
switch the on
in
position
and
tied
prongs
plug together
each
metallic
exposed
parts
etc
jacks
the exposed metallic
part
If
measured
resistance should
When
the exposed metal
must be
reading infinite
An
other exists
abnormality
receiver returned the
is to
n
LG
2014
Electronics
Copyright
and
service
Only for training
Business
Confidential
to Protective
Subject
All manuals and user guides at all-guides.com

SAFETY PRECAUTIONS

IMPORTANT SAFETY

have
chassis
parts in this special
View
Exploded
be
should
special safety parts replaced
manufacturer
without of
design permission
should be used
always
during
chassis not isolated from the
is
as
of
adequate power
rating
accidents
resulting in personal
and from
components
its
shorts the
of that
may
circuitry
the service
operation
TV blown
this receiver
in is
resistor Metal Film
Oxide
Resistor
mm
PCB
10
from
away
or high
temperature
voltage parts
to the customer
current check on
the exposed
such
etc
as antennas
terminals
without damage of electrical
operate
Cold Check
AC
removed connect
from source
AC
two Place
the the
plug prongs
ohm
meter
one lead of to the
ohmmeter
touch other lead turn
in
such
as antenna terminals
phone
has
a return the chassis
path to
MO
MO 52
be between and
1
has no
return the chassis
path to
must be
that corrected before
customer
reserved
Inc
All
rights
purposes
Information
Order
NOTICE
characteristics
safetyrelated
same
as recommended
with the
components
Hot Check
Leakage Current
AC
the cord
Plug
directly
the
AC
Do
not use a
line Isolation
15 K
Connect 10
watt resistor
this
between known
a
good
injury
and
the exposed metallic
AC
Measure
the
voltage
1000 ohmsvolt
with more
or
being
AC
Reverse
be the cord
plug
measurements
each
for
measured must exceed
not
mA
05
case any measurement
In
shock hazard
of
possibility
before returned
is
repaired it
Hot Check
Current
Leakage
to
To Instruments
exposed
METALLIC PARTS
an
AC
AC
to
When
25A
impressed
is
for
second
Resistance
1
the
xBase
on Adjustment
the
the
3
b
These
are by
parts identified in
manual
in this to prevent
See
below
Figure
AC
the outlet
into
check
Transformer
this
during
015
uF
with a
in capacitor
parallel
earth Water
ground Pipe Conduit
parts
AC
the resistor voltmeter
across
using
sensitivity
AC AC
and
the outlet
into
repeat voltage
Any
exposed metallic part voltage
RMS
075
which
volt is corresponds
out of the there
is limits
specified
and must be checked
the set
customer
the
to
circuit
AC
Voltmeter
Good Grcund
Earth
WATER
such
PIPE
as
CONDUIT etc
between and 2nd Ground
Earth
be than 0
less
must 01
standard
LGE
Use
Internal
LGE910IT000143506
CX13790003
the
etc
to
is
and
Only