R-952M - Sharp Home Appliance Service Manual (repair manual). Page 4

R-952M  -  4

13.Air vent openings
14.Outer cabinet
15.Back plate
16.Power supply cord

1. Oven door
2. Door hinges
3. Quarts grill
4. Oven lamp
5. Convection air opening
6. Waveguide cover

7. Control panel
8. Coupling
9. Holes for safety door latches
10.Oven cavity
11.Door seals and sealing surface
12.Door safety latches

13

14

15

16

1             2        3         4        5     6

7

10       8        9

11

12 

32 sec. ON

24 sec. ON

18 sec. ON

12 sec. ON

6 sec. ON

8 sec. OFF

14 sec. OFF

20 sec. OFF

26 sec. OFF

HIGH

MEDIUM HIGH

MEDIUM

MEDIUM LOW

LOW

Approx. 70%

100%

Approx. 50%

Approx. 30%

Approx. 10%

Closing the oven door activates all door interlock switches
(1st. latch switch, 2nd. latch switch and stop switch).

IMPORTANT:
When the oven door is closed, the contacts COM-NC of
the monitor switch must be open. When the microwave
oven is pluged in a wall outlet (230-240V, 50Hz), 240 volts
A.C. is supplied to the point A1 + A3 in the control unit.

NOTE 1.  If the oven has not been used for more than two

minutes, the contacts of the relay RY6 will be
opened and the control unit will not be energized.
Open and close the door, the control unit will
resume.

NOTE 2.  If the clock is set, this energy save mode does

not work.

1. The display flashes "88:88"
2. To set any programmes or set the clock, you must first

touch the STOP key.

3. "  :  " appears in display.

NOTE: When the oven door is opened, the oven lamp

comes on at this time.

Enter a desired cooking time with the touching Time key
and start the oven with touching START key.

CONNECTED COMPONENTS

RELAY

Oven lamp, Turntable motor

RY1

High voltage transformer

RY1 + RY2

Fan motor

RY6

When the oven door is opened during a cooking cycle, the
switches come to the following condition.

Switch

Contact

          Condition
During

Oven Door

Cooking

Open(No cooking)

Monitored latch Switch COM-NO

Closed

Opened

 Monitor Switch

COM-NC

Opened

Closed

 Stop switch

COM-NO

Closed

Opened

The following levels of microwave power are given.