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R-765M - 24

Stop Switch

Monitor Switch

Monitored 
Latch Switch

Latch Hooks

Stop Switch
(SW3)

Monitor 
Switch
(SW2)
Monitored
Latch 
Switch
(SW1)

1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to "CON-

TROL PANEL ASSEMBLY REMOVAL".

3. Remove the open lever from the oven cavity front plate

by removing the control panel assembly.

4. Disconnect the leads from all switches.
5. Remove the two (2) screws holding the latch hook to

the oven cavity.

6. Remove the latch hook.
7. Remove the switch(es) from the latch hook by pushing

the retaining tab backwards slightly and turning the
switch(es) on the post.

8. Now the switch(es) is free.

If the monitored latch switch, stop switch and monitor
switch do not operate properly due to a mis-adjustment,
the following adjustment should be made.
1. CARRY OUT 3D CHECKS.
2. Loosen the two (2) screws holding the latch hook to

the oven cavity front flange.

3. With the door closed, adjust the latch hook by moving

it back and forward or up and down. In and out play of
the door allowed by the latch hook should be less than
0.5 mm. The horizontal position of the latch hook
should be placed where the monitor switch has acti-
vated with the door closed. The vertical position of the
latch hook should be placed where the monitored latch
switch and stop switch have activated with the door
closed.

4. Secure the screws with washers firmly.
5. Make sure of the all switches operation. If the latch

head has not pushed the plungers of the monitor
switch with door closed, adjust the latch hook position.
At that time, the latch head should have pushed the
plungers of the monitored latch switch and stop switch.
If the latch head has not pushed the plungers of the
monitored latch switch and stop switch with door
closed, loose two (2) screws holding latch hook to
oven cavity front flange and adjust the latch hook
position.

1. In and out play of door remains less than 0.5 mm when

latched position. First check the latch hook position,
pushing and pulling upper portion of the door toward

the oven face. Then check the lower latch hook posi-
tion, pushing and pulling lower portion of the door
toward the oven face. Both results (play of the door)
should be less than 0.5mm.

2. The stop switch  interrupt the circuit before the door

can be opened.

3. When the door is opened the contacts (COM-NC) of

the monitor switch and monitored latch switch close.
And the contacts (COM-NO) of their switches open.

4. When the door is closed the contacts (COM-NC) of the

monitor switch and monitored latch switch open. And
the contacts (COM-NO) of their switches close.

5. Re-install outer case and check for microwave leakage

around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Procedure.)

R-765M - 25

1. Disconnect the oven from the power supply.
2. Push the open button and open the door slightly.
3. Insert an putty knife (thickness of about 0.5mm) into the

gap between the choke cover and door frame as shown
in Figure C-7 to free engaging parts.

4. Release choke cover  from door panel.
5. Now choke cover is free.

6. Lift the door upwards.
7. Now, door sub assembly is free from oven cavity.
8. Remove the four (4) screws holding the door panel to

the door frame.

9. Release door panel from six (6) tabs of door frame by

sliding door panel upward.

10.Now, door panel is free.
11.Slide latch head upward and remove it from door

frame with releasing latch spring from door frame and
latch head.

12.Now, latch head and latch spring are free.
13.Remove the two (2) screws holding the glass stopper to

the door frame.

14.Remove the glass stopper from the door frame.
15.Slide the front door glass leftwards and then slide

upwards to release the tabs holding it.

16.Now, the front door glass is free

RE-INSTALL
1. Re-install the front door glass to the door frame as

follows.
a) Insert the upper edge of the front door glass into the

six (6) tabs of the door frame.

b) Slide the front door glass downwards and insert the

lower edge of the front door glass into the six (6) tabs
of the door frame.

c) Slide the front door glass rightwards and insert the

right edge of the front door glass into the one (1) tab
of the door frame.

2. Re-install the glass stopper to the door frame as follows.

a) Re-install the glass stopper to the door frame so that

the two (2) holes of the glass stopper meet the two
(2) pins of the door frame.

b) Hold the glass stopper to the door frame with the two

(2) screws.

3. Re-install the latch spring to the latch head. Re-install

the latch spring to the door frame. Re-install latch head
to door frame.

4. Re-install door panel to door frame by fitting six (6) tabs

of door frame to six (6) holes of door panel.

5. Hold the door panel to the door frame with four (4)

screws.

6. Locate door panel hinge pins into cavity hinge location

holes.

7. Re-install choke cover  to door panel by clipping into

position.

After any service, make sure of the following :
1. Door latch heads smoothly catch latch hook through

latch holes and that latch head goes through centre of
latch hole.

2. Deviation of door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. Door is positioned with its face pressed toward cavity

face plate.

4. Check for microwave leakage around door with an

approved microwave survey meter.  (Refer to Micro-
wave Measurement Procedure.)

Note:

Door frame

Choke cover

Putty knife

Pin

Pin

Upper oven hinge

Lower 
oven
hinge

Lower oven
hinge

Choke cover

Door panel

Slit choke

Slit choke

R-765M - 25

1. Disconnect the oven from the power supply.
2. Push the open button and open the door slightly.
3. Insert an putty knife (thickness of about 0.5mm) into the

gap between the choke cover and door frame as shown
in Figure C-7 to free engaging parts.

4. Release choke cover  from door panel.
5. Now choke cover is free.

6. Lift the door upwards.
7. Now, door sub assembly is free from oven cavity.
8. Remove the four (4) screws holding the door panel to

the door frame.

9. Release door panel from six (6) tabs of door frame by

sliding door panel upward.

10.Now, door panel is free.
11.Slide latch head upward and remove it from door

frame with releasing latch spring from door frame and
latch head.

12.Now, latch head and latch spring are free.
13.Remove the two (2) screws holding the glass stopper to

the door frame.

14.Remove the glass stopper from the door frame.
15.Slide the front door glass leftwards and then slide

upwards to release the tabs holding it.

16.Now, the front door glass is free

RE-INSTALL
1. Re-install the front door glass to the door frame as

follows.
a) Insert the upper edge of the front door glass into the

six (6) tabs of the door frame.

b) Slide the front door glass downwards and insert the

lower edge of the front door glass into the six (6) tabs
of the door frame.

c) Slide the front door glass rightwards and insert the

right edge of the front door glass into the one (1) tab
of the door frame.

2. Re-install the glass stopper to the door frame as follows.

a) Re-install the glass stopper to the door frame so that

the two (2) holes of the glass stopper meet the two
(2) pins of the door frame.

b) Hold the glass stopper to the door frame with the two

(2) screws.

3. Re-install the latch spring to the latch head. Re-install

the latch spring to the door frame. Re-install latch head
to door frame.

4. Re-install door panel to door frame by fitting six (6) tabs

of door frame to six (6) holes of door panel.

5. Hold the door panel to the door frame with four (4)

screws.

6. Locate door panel hinge pins into cavity hinge location

holes.

7. Re-install choke cover  to door panel by clipping into

position.

After any service, make sure of the following :
1. Door latch heads smoothly catch latch hook through

latch holes and that latch head goes through centre of
latch hole.

2. Deviation of door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. Door is positioned with its face pressed toward cavity

face plate.

4. Check for microwave leakage around door with an

approved microwave survey meter.  (Refer to Micro-
wave Measurement Procedure.)

Note:

Door frame

Choke cover

Putty knife

Pin

Pin

Upper oven hinge

Lower 
oven
hinge

Lower oven
hinge

Choke cover

Door panel

Slit choke

Slit choke

R-765M - 25

1. Disconnect the oven from the power supply.
2. Push the open button and open the door slightly.
3. Insert an putty knife (thickness of about 0.5mm) into the

gap between the choke cover and door frame as shown
in Figure C-7 to free engaging parts.

4. Release choke cover  from door panel.
5. Now choke cover is free.

6. Lift the door upwards.
7. Now, door sub assembly is free from oven cavity.
8. Remove the four (4) screws holding the door panel to

the door frame.

9. Release door panel from six (6) tabs of door frame by

sliding door panel upward.

10.Now, door panel is free.
11.Slide latch head upward and remove it from door

frame with releasing latch spring from door frame and
latch head.

12.Now, latch head and latch spring are free.
13.Remove the two (2) screws holding the glass stopper to

the door frame.

14.Remove the glass stopper from the door frame.
15.Slide the front door glass leftwards and then slide

upwards to release the tabs holding it.

16.Now, the front door glass is free

RE-INSTALL
1. Re-install the front door glass to the door frame as

follows.
a) Insert the upper edge of the front door glass into the

six (6) tabs of the door frame.

b) Slide the front door glass downwards and insert the

lower edge of the front door glass into the six (6) tabs
of the door frame.

c) Slide the front door glass rightwards and insert the

right edge of the front door glass into the one (1) tab
of the door frame.

2. Re-install the glass stopper to the door frame as follows.

a) Re-install the glass stopper to the door frame so that

the two (2) holes of the glass stopper meet the two
(2) pins of the door frame.

b) Hold the glass stopper to the door frame with the two

(2) screws.

3. Re-install the latch spring to the latch head. Re-install

the latch spring to the door frame. Re-install latch head
to door frame.

4. Re-install door panel to door frame by fitting six (6) tabs

of door frame to six (6) holes of door panel.

5. Hold the door panel to the door frame with four (4)

screws.

6. Locate door panel hinge pins into cavity hinge location

holes.

7. Re-install choke cover  to door panel by clipping into

position.

After any service, make sure of the following :
1. Door latch heads smoothly catch latch hook through

latch holes and that latch head goes through centre of
latch hole.

2. Deviation of door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. Door is positioned with its face pressed toward cavity

face plate.

4. Check for microwave leakage around door with an

approved microwave survey meter.  (Refer to Micro-
wave Measurement Procedure.)

Note:

Door frame

Choke cover

Putty knife

Pin

Pin

Upper oven hinge

Lower 
oven
hinge

Lower oven
hinge

Choke cover

Door panel

Slit choke

Slit choke