LG MA748W 01 Service Manual - Page 17

Assembly, Removal, Interlock, System, Nimany

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K. PCB ASSEMBLY REMOVAL 1) Remove-the-control panel assemblTtmrttiecavity. (flefertcrcontrol panel assembly removal on previeus-page7) 2) Remove screws which hold the PCB SUB ASS'Y to the control panel. 3) Disconnect the flat cable from the PCB SUB A-STY-and take o Control Panel PCB Sub As L. INTERLOCK SYSTEM 1:)EttlitlEttaeltritl:CHANISM - file door-I.ock-rnechanism-IS-a-clevice which has been specially designed to eliminate completely microwave activity when the door is opcncd during cooking=a-nd thus to prevent the danger resulting from the-microwave leakage. 2)-MOUNTI SECONDARY SWI i CHES TO THE LATCH BOARD ADJUSTMENT nimAny SWITCH MONITOR WIT H SECONDARY SWITC 0 3) INSTALLATION AND ADJUSTMENTO- F-THE LATCH BOARu i U I HE OVEN ASSEMBLY • Mount the latch board to the oven assembly. • Adjust the latch board in the arrow-direction so that oven door will not have any play-Ill-It-when the-door is closed. • Tighten the mounting screw. • Check-for play in the door-by-pushing-thedoor- releas_button.IXor movement shouldbe-less_ than 0.5 mm. (1/64 Inch) n't push the dour rebate bultun while-rnelking adjustment. Make_st ratch moves smoothly after_allu completecrand-that the-screws die light. Make sure the primary, monitor, and secondary switches operate properly by following the continuity test procedure 5-6

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K.
PCB
ASSEMBLY
REMOVAL
L.
INTERLOCK
SYSTEM
1)
Remove
-
the
-
control
panel
assemblTtmrttie
-
1:)EttlitlEttaeltritl:CHANISM
—
cavity.
(flefertcr
control
panel
assembly
removal
fi
le
door-I.ock-rnechanism-IS-a-clevice
which
has
on
previeus-page7)
2)
Remove
screws
which
hold
the
PCB
SUB
ASS'Y
to
the
control
panel.
3)
Disconnect
the
flat
cable
from
the
PCB
SUB
from
the
-microwave
leakage.
A
-
STY
-
and
take
o
been
specially
designed
to
eliminate
completely
microwave
activity
when
the
door
is
opcncd
during
cooking=a
—
nd
thus
to
prevent
the
danger
resulting
2)-MOUNTI
SECONDARY
SWI
i
CHES
TO
THE
LATCH
BOARD
Control
Panel
PCB
Sub
As
ADJUSTMENT
nimAny
SWITCH
MONITOR
WIT
H
SECONDARY
SWITC
0
3)
INSTALLATION
AND
ADJUSTMENT
-
OF
-
THE
LATCH
BOARu
i
U
I
HE
OVEN
ASSEMBLY
•
Mount
the
latch
board
to
the
oven
assembly.
•
Adjust
the
latch
board
in
the
arrow
-direction
so
that
oven
door
will
not
have
any
play
-Ill
-It
-when
the
-door
is
closed.
•
Tighten
the
mounting
screw.
•
Check
-for
play
in
the
door-by-pushing-thedoor-
releas_button.IXor
movement
shouldbe-less_
than
0.5
mm.
(1/64
Inch)
n't
push
the
dour
rebate
bultun
while-rnelking
adjustment.
Make_st
ratch
moves
smoothly
after_allu
completecrand
-
that
the
-
screws
die
light.
Make
sure
the
primary,
monitor,
and
secondary
switches
operate
properly
by
following
the
continuity
test
procedure
5-6