Schematic Diagram - Sharp R-930CS Service Manual

IMPORTANT:
During sensor cooking operation, the fire sensing op-
eration sequence will not begin until the AH sensor has
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CLOCK APPEARS ON DISPLAY.
MAGNETRON
CONV.
TEMPERATURE
THERMAL
FUSE
CUT-OUT
FUSE
TTM OL FM
120V
60Hz
SECONDARY
INTERLOCK
SWITCH
SCHEMATIC
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. "START" PAD TOUCHED.
CONV. MAGNETRON
THERMAL TEMPERATURE
CUT-OUT FUSE
FUSE
TTM FM
OL
120V
60Hz
SECONDARY
INTERLOCK
SWITCH

SCHEMATIC DIAGRAM

A-3
A-1
CM DM
A-7
A-9
CONTROL UNIT
F-1 F-2 F-3
DOOR
SENSING
AH SENSOR
SWITCH
Figure O-1. Oven Schematic-OFF Condition
A-3
A-1
CM DM
A-7
A-9
CONTROL UNIT
F-1 F-2 F-3
DOOR
SENSING
AH SENSOR
SWITCH
Figure O-2. Oven Schematic-Microwave Cooking Condition
detected vapors and initiated a sensor cooking cycle.
This is because the operation of the convection fan
would interfere with the AH sensor's vapor detection.
COM.
(RY1)
A-5
N.O.
(RY1)
COM.
(RY3)
RY2
COM.
RY2
(RY2)
PRIMARY
INTERLOCK
RY3
N.O.
RELAY
(RY2)
N.O.
(RY3)
E-1 E-2 E-3 E-4 E-5 E-6
THER- DAMPER
MISTOR SWITCH
COM.
(RY1)
A-5
N.O.
(RY1)
COM.
(RY3)
RY2
COM.
RY2
(RY2)
PRIMARY
INTERLOCK
RY3
N.O.
RELAY
(RY2)
N.O.
(RY3)
E-1 E-2 E-3 E-4 E-5 E-6
THER- DAMPER
MISTOR SWITCH
9
R-930CS
POWER
TRANSFORMER
CAPACITOR
0.94
POWER
TRANSFORMER
CAPACITOR
0.94