LG MA8000ST Service Manual - Page 12

Fleakage

Page 12 highlights

Too s normal y used for TV servicing are sufficient. Standard tools are listed below • uiagonai pliers • Long nose pliers • Phi ips screwdriver • F at blade screwdriver • NIrtdriver (size 5mm) • Ad'ustable wrench • Soldering iron • Vinyl insulation tape • Polishing cloth • TESTER(VOLTS DC, AC., Ohmmeter) • Microwave survey meter - Holaday HI-1500 HI-1501 Narda 8100 8200 • Inch scale - 600 cc non conductive material b aker (glass or plastic), inside diameter. approx. 8.5 cm(3112 in.) • Cylindrical and made of borosilicate glass vessel max thickness. 3 mm outside ciarneter. approx. 190rnm height: approx. 90mm • Glass thermometer. 100°C or 212°F (1 deg scale) • Be sure to check microwave leakage prior to LEAKAGE sentlaing- - . -The-service-personnel-shoutd4nforrn-the which-ls-graduated-to-600-ecTand-place-the-beaker on the center of the turntable. oven unit oun to nave a microwave emission level in excess of 5 mW/cm' anc 10U repair any unit found to have excessive emission levels at no cost use-it-fol-lowing-the-manufactures-recommendeel test proceaure to assure correct result. • When measuring the leakage, always use the 2- inch excessive leakage. The service personnel should instruct the owner not to use the unit until the oven has een orougnt into compliance. • If the oven operates with the door open, the service personnel should. Tell the user not to operate the oven. - Contact the manufacturer and CDRH (Center for Devices and Radiological Health) immediately NOTE: Address on CDRH Office of Compliance (HFZ 312) ,I,I IL,' Pal ll, V I,,, CAI IlA I ICAMISJI I,C.1.1 Healthe 1390, Piccard Drive, Rockville. MD 20850 • The service personnel should check all surface and vent openings for microwave 9 . • C-heck for mi.crow..ave, l.e. akag. e after every.. s..ervic. ing. . • Operate the oven at its maximum output. • Measure the microwave radiation using and electromagnetic radiation monitor by holding the probe perpendicular to the surface being measured Move probe along shaded area Probe scanning speed Less than 2.5 cm/sec (1in/sec) •'/ 1\ _/ -W/ / / v /

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Too
s
normal
y
used
for
TV
servicing
are
sufficient.
Standard
tools
are
listed
below
TESTER(VOLTS
DC,
AC.,
Ohmmeter)
Microwave
survey
meter
uiagonai
pliers
Long
nose
pliers
Phi
ips
screwdriver
-
Holaday
HI
-1500
HI
-1501
F
at
blade
screwdriver
Narda
8100
8200
Inch
scale
NI
rtdriver
(size
5mm)
Ad'ustable
wrench
Soldering
iron
-
600
cc
non
conductive
material
b
aker
(glass
or
plastic),
inside
diameter.
approx.
8.5
cm(3
1
12
in.)
Cylindrical
and
made
of
borosilicate
glass
vessel
Vinyl
insulation
tape
Polishing
cloth
max
thickness
.
3
mm
outside
ciarneter.
approx.
190rnm
height:
approx.
90mm
Glass
thermometer.
100°C
or
212°F
(1
deg
scale)
Be
sure
to
check
microwave
leakage
prior
to
LEAKAGE
sentlain
g
-
which
-
ls
-
graduated
-
to
-
600
-
ecTand
-
place
-
the
-
beaker
-
.
-
The
-
service
-
personnel
-
shoutd4nforrn
-
the
on
the
center
of
the
turntable.
oven
unit
oun
to
nave
a
microwave
emission
level
in
excess
of
5
mW/cm'
anc
10U
repair
any
unit
found
to
have
excessive
emission
levels
at
no
cost
use-it-fol-lowing-the-manufactures-recommendeel
test
proceaure
to
assure
correct
result.
When
measuring
the
leakage,
always
use
the
2-
inch
excessive
leakage.
The
service
personnel
should
instruct
the
owner
not
to
use
the
unit
until the
oven
has
een
orougnt
into
compliance.
Operate
the
oven
at
its
maximum
output.
Measure
the
microwave
radiation
using
and
If
the
oven
operates
with
the
door
open,
the
service
personnel
should.
Tell
the
user
not
to
operate
the
oven.
-
Contact
the
manufacturer
and
CDRH
(Center
for
Devices
and
Radiological
Health)
immediately
electromagnetic
radiation
monitor
by
holding
the
probe
perpendicular
to
the
surface
being
measured
Move
probe
along
shaded
area
////////////////////////////////
NOTE:
Address
on
CDRH
Office
of
Compliance
(HFZ
312)
Probe
scanning
speed
Less
than
2.5
cm/sec
(1in/sec)
_/
Healthe
1390,
Piccard
Drive,
1
\
/
Rockville.
MD
20850
/
/
The
service
personnel
should
check
all
surface
and
—W
/
v
<11—
vent
openings
for
microwave
9
.
/
Check
for
microwave
leakage
after
every
servicing.
.
..
,
..
.
..
..
.
.
4
rn1N/cnri
2
.
Always
start
measuring
of
an
unknown
field
to
assure
safety
for
operating
personnel
from
radiation
leakage
5-1