Read Sharp R-24STM (serv.man6) Service Manual online
R-24STM - 14
WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below before
operating the oven.
1. CARRY OUT 3D CHECKS.
2. Make sure that a definite "click" can be heard when the
2. Make sure that a definite "click" can be heard when the
microwave oven door is unlatched. (Hold the door in a
closed position, then pull the door open slowly, this
causes the latch heads to rise, it is then possible to hear
a "click" as the door switches operate.)
closed position, then pull the door open slowly, this
causes the latch heads to rise, it is then possible to hear
a "click" as the door switches operate.)
3. Visually check the door and cavity face plate for damage
(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.
operating the oven.
Do not operate the oven if any of the following conditions
exist;
1. Door does not close firmly.
2. Door hinges or latch hook is damaged.
3. The door seal is damaged.
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
3. The door seal is damaged.
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.
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.
To remove the components, proceed as follows.
1. CARRY OUT 3D CHECKS
2. Disconnect all the leads and terminal of high voltage
2. Disconnect all the leads and terminal of high voltage
rectifier from high voltage capacitor.
3. Remove one (1) screw holding earth side terminal of
high voltage rectifier, and remove capacitor holder from
the base plate.
the base plate.
4. Remove the capacitor from the capacitor holder.
5. Now the high voltage rectifier and capacitor should be
5. Now the high voltage rectifier and capacitor should be
free.
Please refer to ‘OVEN PARTS, CABINET PARTS, DOOR PARTS’, when carrying out any of the following removal
procedures:
procedures:
OUTER CASE REMOVAL
To remove the outer case, proceed as follows.
1. Disconnect oven from power supply.
2. Remove the screws from rear and along the side edge
1. Disconnect oven from power supply.
2. Remove the screws from rear and along the side edge
of case.
3. Slide the entire case back about 3cm to free it from
retaining clips on the cavity face plate.
4. Lift the entire case from the oven.
HIGH VOLTAGE COMPONENTS REMOVAL
(HIGH VOLTAGE CAPACITOR AND HIGH VOLTAGE RECTIFIER)
5. Discharge the H.V. capacitor before carrying out any
further work.
6. Do not operate the oven with the outer case removed.
N.B.; Step 1, 2 and 6 form the basis of the 3D checks.
N.B.; Step 1, 2 and 6 form the basis of the 3D checks.
CAUTION: DISCHARGE HIGH VOLTAGE
CAPACITOR BEFORE TOUCHING ANY
OVEN COMPONENTS OR WIRING.
OVEN COMPONENTS OR WIRING.
CAUTION: WHEN REPLACING HIGH VOLTAGE
RECTIFIER, ENSURE THAT THE
CATHODE (EARTH) CONNECTION IS
SECURELY FIXED TO THE CAPACITOR
HOLDER AND BASEPLATE WITH AN
EARTHING SCREW.
CATHODE (EARTH) CONNECTION IS
SECURELY FIXED TO THE CAPACITOR
HOLDER AND BASEPLATE WITH AN
EARTHING SCREW.
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
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