Sharp Carousel R-210D Service Manual - Page 20

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R-210D

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

WARNING:

Avoid possible exposure to microwave energy. Please follow the instructions

below before operating the oven.

1. Disconnect oven from power supply.

2. Visually check the door and cavity face plate for dam-

age (dents, cracks, signs of arcing etc.).

Carry out any remedial work that is necessary before

operating the oven.

Do not operate the oven if any of the following conditions

exist;

1. Door does not close firmly.

2. Door hinge, support or latch hook is damaged.

3. The door gasket or seal is damaged.

Please refer to 'OVEN PARTS, CABINET PARTS, CONTROL PANEL PARTS, DOOR PARTS', when carrying out any

of the following removal procedures:

To prevent an electric shock, take the following

manners.

1. Before wiring,

1) Disconnect the power supply.

2) Open the door and wedge the door open.

3) Discharge the high voltage capacitor and wait for

60 seconds.

2. Don't let the wire leads touch to the following parts;

1) High voltage parts:

Magnetron, High voltage transformer, High volt-

age capacitor and High voltage rectifier assem-

bly.

2) Hot parts:

Oven lamp, Magnetron, High voltage transformer

To remove the outer case proceed as follows.

1. Disconnect the oven from power supply.

2. Open the oven door and wedge it open.

3. Remove the eight (8) screws from rear and along the

side edge of case.

4. Slide the entire case back about 3cm to free it from

retaining clips on the cavity face plate.

5. Lift the entire case from the oven.

1. CARRY OUT 3D CHECKS.

2. Disconnect the wire leads (main wire harness and H.V.

fuse) from power transformer.

3. Disconnect the filament lead of power transformer from

the magnetron.

4. Disconnect the filament lead of the power transformer

WARNING FOR WIRING

OUTER CASE REMOVAL

POWER TRANSFORMER REMOVAL

4. The door is bent or warped.

5. There are defective parts in the door interlock system.

6. There are defective parts in the microwave generating

and transmission assembly.

7. There is visible damage to the oven.

Do not operate the oven:

1. Without the RF gasket (Magnetron).

2. If the wave guide or oven cavity are not intact.

3. If the door is not closed.

4. If the outer case (cabinet) is not fitted.

and Oven cavity.

3) Sharp edge:

Bottom plate, Oven cavity, Waveguide flange,

Chassis support and other metallic plate.

4) Movable parts (to prevent a fault)

Fan blade, Fan motor, Switch, Switch lever, Open

button.

3. Do not catch the wire leads in the outer case cabinet.

4. Insert the positive lock connector certainly until its pin

is locked. And make sure that the wire leads should

not come off even if the wire leads is pulled.

5. To prevent an error function, connect the wire leads

correctly, referring to the Pictorial Diagram.

6. Discharge the H.V. capacitor before carrying out any

further work.

7. Do not operate the oven with the outer case removed.

N.B.; Step 1, 2 and 6 form the basis of the 3D checks.

CAUTION: DISCHARGE HIGH VOLTAGE CAPACITOR

BEFORE TOUCHING ANY OVEN COMPO-

NENT OR WIRING.

from high voltage capacitor.

5. Remove the two (2) screws holding the transformer to

bottom plate from below.

6. Remove the two (2) screws holding the transformer to

bottom plate from above.

7. Remove the transformer.