Sharp Carousel R-630DSA Manuale di servizio - Pagina 8

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R- 630DKA

R- 630DSA

R-630DWA

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

REMOVAL

1. Disconnect the power supply cord and then remove the

outer case.

2. Open the door slightly.

3. To discharge high voltage capacitor, wait for 60 seconds.

4. Disconnect the 12-pin wire harness from the power unit

on the base plate.

5. Insert a putty knife (thickness of about 0.5mm) into the

gap between the choke cover and door frame as shown

in Figure C-6 to free engaging parts.

6. Pry the choke cover by inserting a putty knife as shown

Figure C-6.

7. Release choke cover from door panel.

8. Now choke cover is free.

NOTE: When carrying out any repair to the door, do not

bend or warp the slit choke (tabs on the door

panel assembly) to prevent microwave leakage.

Choke cover

Figure C-6. Door Disassembly

9. Release two (2) pins of door panel from two (2) holes of

upper and lower oven hinges by lifting up.

10.With pulling out the 12-pin wire harness from the hole of

the oven cavity front plate and the front leg, remove the

door from the oven cavity.

11.Now, the door is free from the oven cavity.

REINSTALLATION

1. Insert the 12-pin wire harness to the holes of the front leg

and the oven cavity front plate.

2. Catch two (2) pins of door panel on two (2) hole of upper

and lower oven hinges.

3. Re-install choke cover to door panel by pushing.

4. Connect the 12-pin wire harness to the power unit on the

base plate.

5. Now the door is installed.

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 service, 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.

DOOR REPLACEMENT

Door frame

Putty knife

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 Microwave

Measurement Procedure.)

Note: The door on a microwave oven is designed to act as

an electronic seal preventing the leakage 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.

Upper

oven

hinge

Slit choke of

door panel

Lower

oven

hinge

Figure C-7. Door Replacement

12-pin wire harness

Tab

Front leg

Door Screen

Hole

Oven cavity front plate

Figure C-8. Routing of 12-pin wire harness

SEALER FILM

Installation

1. Put the adhesive tape on the backing film of the sealer

film as shown in Fig. C-9.

2. Tear the backing film by pulling the adhesive tape.

3. Put the pasted side of the sealer film on the door panel.

Sealer film

Figure C-9. Sealer film

Upper oven hinge

Lower oven

hinge

Choke cover

12-pin wire

harness

Power unit

Front leg

Base plate

Backing film

Adhesive tape

Door