Sharp R-8R51 - Page 32

:. BRST W}
:-8R51(B)
COMPONENT
REPLACEMENT
AND
ADJUSTMENT
PROCEDURE
WARNING:
Avoid
possible
exposure
to
microwave
energy.
Please
follow
the
instructions
below
before operating the oven.
1. CARRY OUT 3D CHECKS. .
ake sure that a definite “click” can be heard when
the microwave oven door is unlatched. (Hold the
door in a closed position with one hand, then push
the door open button with the other, this causes
the latch heads to rise, it is then possible to hear a
"click"
as
the
door
switches
operate.)
There
are
defective
parts
in
the
microwave
gener-
3.—Vistratly-Eheék
thea
ot
orand-eavity-tace-platefor
————ating-and-transmission
assembly
Door does not close firmly. _
Door hinge, support or latch hook is damaged.
The door gasket or seal is damaged. |
The door is bent or ‘warped.
There
are
defective
parts
in
the
door
interlock
sys-
tem.
2 TRWN|>
damage
(dents,
cracks,
signs
of
arcing
etc.).
7.
There
is
visible
damage
to
the
oven.
Carry
out
any
‘remedial
work
‘that
is
necessary
before
Do
not
operate
the
oven:
operating
the
oven.
1.
Without
the
RF
gasket
(Magnetron).
2.
If
the
wave
guide
or
oven
cavity
are
not
intact.
Do
not
operate
the
oven
if
any
ot
the
fallawing
con-
3.
If
the
door
is
not
closed.
ditions
exist;
4.
lf
the
outer
case
(cabinet)
is
not
fitted.
Please
refer
to
‘OVEN
PARTS,
CABINET
PARTS,
DOOR
PARTS’,
when
carrying
out
any
of
the
following
removal
procedures:
‘
OUTER CASE REMOVAL
To
remove
the
outer
case,
proceed
as
follows.
6.
Discharge
the
HV
capacitor
before
carring
out
any
1. Disconnect oven from power supply. further work.
2.
Open
the
oven
door
and
wedge
it
open.
7,
Do
not
operate
the
oven
with
the
outer
case
re-
) moved.
3. R th from rear and along the side
ea reali Peer eee N.B.; Step 1,2 and 6 form the basis of the 3D checks.
4.
Slide
the
entire
case
back
about
1
inch
(3cm)
to
CAUTION:
DISCHARGE
HIGH
VOLTAGE
free it from retaining clips on the cavity face plate. CAPACITOR BEFORE TOUCHING ANY
5.
Lift
the
entire
case
from
the
oven.
OVEN
COMPONENTS
OR
WIRING.
POSITIVE LOCK CONNECTOR REMOVAL
Pushing
the
lever
of
positive
lock
connector.
Pull
out
en
the positive
lock
connector.
maaneics®
connector
CAUTION:
When
you
(Service
engineers)
connect
the
pasitive
lock
connectors
to
the
terminals,
connect
the
positive
lock
so
that
the
lever
face
you(Service
engineer).
Figure C-1. Positive lock ‘connector
‘HIGH
VOLTAGE
COMPONENTS
REMOVAL
(HIGH
VOLTAGE
CAPACITOR
AND
HIGH
VOLTAGE
RECTIFIER
ASSEMBLY)
To
remove
the
components,
proceed
as
follows.
3.
Remove
one
(1)
screw
holding
earth
side
terminal
1.
CARRY
OUT
3D
CHECKS
of
high
voltage
rectifier
ae
and
remove
2.
Remove
one
(1)
screw
holding
capacitor
hojder
to
capacitor
holder.
bottom plate.
30