Sharp R-1480 Service Manual Download Page 35

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R-1480
R-1481
R-1482

latch holes correctly.

6. Re-install the door stopper to the door assembly.
7. Re-install the hood exhaust louver to the oven cavity

front face plate.

Note: After any service to the door;

(A) Make sure that door sensing switch and secondary

interlock switch are operating properly. (Refer to
chapter "Test Procedures".)

(B) An approved microwave survey meter should be

used to assure compliance with proper microwave
radiation emission limitation standards.

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

latch holes and that latch head goes through center 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. Re-install outer case and check for microwave leakage

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

Note: The door on a microwave oven is designed to

act as an electronic seal preventing the leakage

LATCH SPRING, LATCH HEAD AND DOOR PANEL
13.Release the latch spring from the tab of the latch head

and tab of the door frame.

14.Release the latch head from the door frame.
15.Now, the latch spring, latch head and door frame are

free.

1. Disconnect the power supply cord and remove the oven

from wall and remove outer case. (Refer to procedure of
"Removal of Oven from Wall" and "Outer case Removal")

2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Remove the hood exhaust louver from the oven cavity by

pushing the right and left tabs of the hood exhaust louver.
(Refer to the procedure of "HOOD EXHAUST LOUVER
REMOVAL".)

5. Remove door assembly, refer to "Door Replacement".

Replacement of door components are as follows:

6. Place door assembly on a soft cloth with latches facing

up.

Note: As the engaging part of choke cover and door frame

are provided at 15 places, do not force any particular
part.

CHOKE COVER
7. Insert a putty knife (thickness of about 0.5mm) into the

gap

between the choke cover and door stopper and

between the choke cover and the door frame as shown
Figure C-3 to free engaging parts.

8. Pry the principles of the lever and lift up the choke cover

by inserting a putty knife in order shown in Figure C-3.

9. Now choke cover is free from door panel and door frame.

DOOR FRAME
10.Remove six (6) screws holding the door panel and the

door handle to the door frame assembly.

11.Release the door frame assembly from the door panel.
NOTE: It is easier to release the engaging parts of the upper

or lower door hinge pin side at first.

12.Now, door frame assembly is free.

of microwave energy from oven cavity during
cook cycle. This function does not require that
door be air-tight, moisture (condensation)-tight
or light-tight. Therefore, occasional appearance
of moisture, light or sensing of gentle warm air
movement around oven door is not abnormal
and do not of themselves indicate a leakage of
microwave energy from oven cavity.

Figure C-2. Door Replacement and adjustment

DOOR DISASSEMBLY

Figure C-3. Door Disassembly

DOOR GLASS
16.Remove the glass stopper from the door frame by

releasing the tab of door frame.

17.At first, slide the door glass toward the glass stopper

side, and then slide it up. And release it from the right and
lower long tabs of the door frame.

18.Release the door glass from the upper long tab of the

door frame.

19.Release the door glass from the long tabs of the door

frame.

20.Now, the door glass is free.