LG GR-K18PBS Service Manual - Page 33

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- . Refrigerator no The structure of the freezing room and mechanical room, which are the sources of Klrnchl refrigerator noise, is as foltaws. Here you can see that the main source of noise during refrigerator operation is the compressor, the condenser and the fan motor that cools the compressor in the mechanical room. - - I -0 111 -4 erns = =,110.i:ra • Fig. Diagram mch-refrigerater-noise-source) 7-1-1. SVC method for noise claim -.-Block-This-methoci-blooks-the-noise-trom-the4A4OO3-SA-that-It-does not reach tho oars blocking tho transmission oa of the sound with high density sound blocker (Thissi in high frequency area) -Using-sound-absorber This method is similar to the blocking method but uses Styrofoam transmission path to absorb4ho=siziondF(Tlat is-iirffeztive=lrFlow frequehey-area) • Vibration reduction: This met blocks the mechanical vibration from the operating part so that it does not reach other part vi ra ion re uction rubber etc.) • Dynamic balance maintenance: This inethod-rninializes-the-dynamie-imbelanee-of the rotating object. • Eixing:thcoribrating.part.ihis method ftrrnisctixes/Imaibrating_part depending on the-situation. emovcontact ate the two parts or--firmly-fix-the-object that periodically make - 33 -

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-
.
Refrigerator
no
The
structure
of
the
freezing
room
and
mechanical
room,
which
are
the
sources
of
Klrnchl
refrigerator
noise,
is
as
foltaws.
Here
you
can
see
that
the
main
source
of
noise
during
refrigerator
operation
is
the
compressor,
the
condenser
and
the
fan
motor
that
cools
the
compressor
in
the
mechanical
room.
-
-
111
-4
erns
=,110.i
:ra
•
Fig.
Diagram
mch-refrigerater-noise-source)
7-1-1.
SVC
method
for
noise
claim
-.-Block-This-methoci-blooks-the-noise-trom-the4A4OO3-SA-that-It-does
not
reach
tho
oars
blocking
tho
transmission
oa
of
the
sound
with
high
density
sound
blocker
(This
si
in
high
frequency
area)
-Using-sound-absorber
Th
is
method
is
similar
to
the
blocking
method
but
uses
Styrofoam
transmission
path
to
absorb4ho=siziondF(Tlat
is-iirffeztive=lrFlow
frequehey-area)
•
Vibration
reduction:
This
met
blocks
the
mechanical
vibration
from
the
operating
part
so
that
it
does
not
reach
other
part
vi
ra
ion
re
uction
rubber
etc.)
•
Dynamic
balance
maintenance:
This
inethod-rninializes-the-dynamie-imbelanee-of
the
rotating
object.
•
Eixing:thcoribrating.part.ihis
method
ftrrnisctixes/Imaibrating_part
depending
on
the
-situation.
emov
contact
ate
the
two
parts
or--firmly-fix-the-object
that
periodically
make
-
33
-