Pictorial Diagram - Sharp R-23GT-F Service Manual

procedure.
DOOR SENSING SWITCH
Push the two (2) tabs outward and pull switch forwards to
release switch.
MONITOR SWITCHES OR SECONDARY INTERLOCK
SWITCHES
Remove one (1) screw and nut holding two switches together
to latch hook.
8. Now, switch(es) is now free.
RE-INSTALL
1. Re-install the switch(es) in accordance with following
procedure.
DOOR SENSING SWITCH
Mount the door sensing switch in the lower position of latch
hook.
MONITOR SWITCHES
1) Mount the two (2) switches side by side in the top position
DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCHES (1), (2) AND MONITOR
1. Disconnect the power supply cord and then remove outer
case, referring to "OUTER CASE, REAR CABINET AND
POWER SUPPLY CORD REMOVAL".
2. Open the oven door and block it open.
3. Discharge two high voltage capacitors.
If the door sensing switch, secondary interlock switches (1), (2)
and monitor switches (1), (2) do not operate properly due to a
misadjustment, the following adjustment should be made.
4. Loosen the two (2) screws holding latch hook to the oven
cavity front flange.
5. With door closed, adjust latch hook by moving it back and
forth, and up and down. In and out play of the door allowed
by the upper and lower position of the latch hook should be
less than 0.5mm. The vertical position of the latch hook
should be adjusted so that the door sensing switch and
secondary interlock switches (1), (2) are activated with the
door closed. The horizontal position of the latch hook
should be adjusted so that the monitor switches (1), (2) are
activated with the door closed.
6. Secure the screws with washers firmly.
7. Check the operation of all switches. If all switches have not
activated with the door closed, loosen two (2) screws and
adjust the latch hook position.
After adjustment, check the following.
1. In and out play of door remains less than 0.5mm when in the
latched position.
REMOVAL
1. Disconnect the power supply cord and then remove outer
case, referring to "OUTER CASE, REAR CABINET AND
POWER SUPPLY CORD REMOVAL".
2. Open the oven door and block it open.
3. Discharge two high voltage capacitors.
4. Remove the two (2) screws holding each of the upper and
lower oven hinges to the oven cavity.
5. Remove door assembly with upper and lower oven hinges
by pulling it forward.
6. Release upper and lower oven hinges from door assembly.
7. Now, door assembly is free.
2) Fasten both switches together to latch hook with one (1)
SECONDARY INTERLOCK SWITCHES
1) Mount the two (2) switches side by side in the middle
2) Fasten both switches together to latch hook with one (1)
2. Re-install latch hook assembly and fasten it to oven flange
3. Re-connect all wire leads to all switches, referring to
4. Make sure that the monitor switches (1), (2) and all other
SWITCHES (1), (2) ADJUSTMENT
2. The door sensing switch and secondary interlock switches
3. Monitor switches (1), (2) contacts close when door is
4. Re-install outer case and check for microwave leakage
DOOR REPLACEMENT
NOTE:When individual parts are replaced, refer to "Door
RE-INSTALL
1. Insert the upper and lower oven hinges into door hinge pins.
2. Insert the upper and lower oven hinges with door assembly
3. Make sure that the door is parallel with oven face lines (left
4. Fasten upper and lower oven hinges firmly to oven cavity
35
of the latch hook.
screw and nut.
position of the latch hook.
screw and nut.
with two (2) screws.
pictorial diagram. Be careful to ensure proper connection of
the wire leads.
switches are operating properly. And check continuity of the
monitor circuit. Refer to chapter "Test Procedure" and
Adjustment procedure.
(1), (2) interrupt the circuit before the door can be opened.
opened.
around door with an approved microwave survey meter.
(Refer to Microwave Measurement Procedure.)
Door release
Latch head
lever
Joint lever
Latch lever
Latch head
Figure C-3. Latch Switch Adjustments
Disassembly".
into rectangular holes of oven cavity front plate.
and upper side line) and door latch heads pass through the
latch holes correctly.
with two (2) screws on each hinge.
R-23GT-F
R-24GT-F
Switch lever A
Monitor switch (2)
Monitor switch (1)
Latch hook
Switch lever B
Secondary interlock
switch (2)
Secondary interlock
switch (1)
Door sensing switch
Switch lever C