AX-1100(R)M, AX-1100(SL)M (serv.man6). Function Of Important Components - Sharp Home Appliance Service Manual (repair manual). Page 2

AX1100(R)M

7 – 2

4. The large electric currents flow through the high voltage winding of

the high voltage transformer.

5. The large electric currents beyond 8A flow through the primary

winding of the high voltage transformer.

6. The fuse F2 F8A blows by the large electric currents.

7. The power supplying to the high voltage transformer is cut off.

C (MG)

This thermal cut-out protects the magnetron against overheat. If the
temperature goes up higher than 145

C because the fan motor is

interrupted or the ventilation openings are blocked, the thermal cut-out
TC1 will open and the oven will switch off. The defective thermal cut-
out must be replaced with a new one.

C (OVEN)

This thermal cut-out protects the oven against overheating or fire
inside the oven. If the temperature rises above 170

C the thermal cut-

out opens the oven will switch off. The defective thermal cut-out must
be replaced with a new one.

C (ENGINE)

This thermal cut-out protects the engine unit against overheating. If the
temperature rises above 170

C the thermal cut-out opens the oven will

switch off. The defective thermal cut-out must be replaced with a new
one.

The noise filter assembly prevents radio frequency interference that
might flow back in the power circuit.

The grill heating element is provided to brown the food and is located
on the top of the oven cavity.

The engine unit is provided to generate the steam.

The antenna motor rotates the antenna located under the oven cavity.

The fan motor drives a blade which draws external cool air. This cool
air is directed through the air vanes surrounding the magnetron and
cools the magnetron. This air is channelled through the oven cavity to
remove steam and vapours given off from heating food. It is then
exhausted through the exhausting air vents of the oven cavity.

The air damper position is set automatically by the intake damper
motor, intake damper switch, air damper cam and damper shaft.
These components are operated by a signal that judges the selected
cooking mode by the control unit.

The tube pump assembly consists of the pump motor, roller and tubes.
The pump motor rotates the roller. The roller presses the tube. The
water in the tube is pressed out from the tube pump assembly.

The thermistor is a negative temperature coefficient type. The temper-
ature in the engine unit is detected through the resistance of the ther-
mistor, and then the control unit causes the relay to operate, thus the
current to the engine heating element is turned ON/OFF.

The thermistor is a negative temperature coefficient type. The temper-
ature in the oven cavity is detected through the resistance of the ther-
mistor, and then the control unit causes the relay to operate, thus the
current to the grill heating element is turned ON/OFF.