R-962M - Sharp Home Appliance Service Manual (repair manual). Page 4

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R-962M - 4
OVEN
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
VIEW OF OVEN
OPERATION DATA
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
MEDIUM HIGH, MEDIUM, MEDIUM LOW,
LOW COOKING
The following levels of microwave power are given.
OFF CONDITION
Closing the oven door activates all door interlock switches
(1st. 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.
ENERGY SAVE MODE
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.
MICROWAVE COOKING CONDITION
HIGH COOKING
Enter a desired cooking time with the touching Time key and
start the oven with touching START key.
Function sequence
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
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%
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