Advertisement
I
E. REMOVING
FUSE
Remove
the 8A fuse with a screwdriver.
NOTES
-
When
replacing
the 8A
fuse,
be sure to use an
exact repair part.
— If
the
8A
fuse
blows
immediately,
check
the
primary
interlock
switch,
the relay 2 (on the control
circuit
board)
and
the
interlock
monitor
switch
according
to
"CHECKOUT
PROCEDURE
FOR
SWITCHES"
on page 6. And make sure to check the
microwave
energy
leakage
according
to
"1.
AD-
JUSTMENT
PROCEDURES"
on page 1, when the
primary
interlock
switch,
the relay
2 or the inter-
lock monitor
switch is adjusted
or replaced.
–
If the primary
interlock
switch,
the relay 2 and
the
interlock
monitor
switch
operate
properly,
determine
which
of
the
followings
is
defective:
control
circuit
board,
blower
motor,
gear
motor,
high
voltage
transformer,
high
voltage
capacitor,
high voltage diode or magnetron.
–
If the high voltage
diode is defective,
reDlace not
only
the high voltage
diode
but also the fuse
diode.
F. REMOVING
CONTROL
CIRCUIT
BOARD
(See exploded
view on page 18 and Figure
14)
(1)
(21
(3)
(4)
(5)
Remove
the connector
S1, S102
and the connector
for
the
relay
2 from
the
control
circuit
board.
Remove
1 screw
securing
the
control
panel com-
plete to the oven cavity.
Remove
the
FPC
connector
from
the
connector
S101
while
grasping
up
both
lever
ends
of
the
plastic fastener.
Remove
2 screws securing
the control
circuit
board
to the control
base.
Lift up the control
circuit
board from
its lower side
and take it out from the control
base.
G. REMOVING
TOUCH
KEY
BOARD
(Figure
15)
After
removing
the control
circuit
board;
(1)
Remove
control
base while
lifting
it up at the right
side and take it out from the control
frame.
(2)
Remove
control
sheet which
is glued to touch
key
board.
(3)
Remove
the touch
key board
which
is held on the
control
base bracket
with the adhesive tape.
Control
Figure 14
Control
Sheet
,
Control
Base
Frame
Figure 15
_13–
Advertisement
