Sharp R-980J Service Manual page 35

SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. MIX COOKING PAD TOUCHED.
3. COOKING TIME PROGRAMMED.
4. START PAD TOUCHED.
5. RY2 AND RY3 WILL ALTERNATELY CLOSED
DURING COOK CYCLE.
NOISE FILTER
OL
230-240V
50Hz
UPPER LATCH
SWITCH
Figure O-3. Oven Schematic-Automatic Mix Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CONVECTION PAD TOUCHED.
3. DESIRED TEMP. PAD TOUCHED.
4. COOKING TIME PROGRAMMED.
5. START PAD TOUCHED.
NOISE FILTER
OL
230-240V
50Hz
UPPER LATCH
SWITCH
THERMAL CUT-OUT
145˚C (MAGNETRON)
OR
THERMAL CUT-OUT
TEMPERATURE
95˚C (FAN)
FUSE 150˚C
(MAGNETRON)
A1
TTM CM
A-7
FM DM
A-9
CONTROL UNIT
E-1 E-2
STOP
THER-
SWITCH
MISTOR
THERMAL CUT-OUT
145˚C (MAGNETRON)
OR
TEMPERATURE THERMAL CUT-OUT
95˚C (FAN)
FUSE 150˚C
(MAGNETRON)
A1
TTM CM
A-7
FM DM
A-9
CONTROL UNIT
E-1 E-2
STOP
THER-
SWITCH
MISTOR
Figure O-4. Oven Schematic-Convection Cooking Condition
NOTE: indicates components with potential above 250V.
COM.
(RY1)
A3
A5
RY2
RY3
F-3 F-2 F-1
E-3 E-4 E-5 E-6
DAMPER
AH SENSOR
SWITCH
COM.
A3 (RY1)
A5
RY2
RY3
F-3 F-2 F-1
E-3 E-4 E-5 E-6
DAMPER
AH SENSOR
SWITCH
33
N.O.
(RY1)
POWER
TRANSFORMER
COM.
(RY3)
COM.
(RY2)
N.O.
(RY2)
CAPACITOR
1.13µF
AC2100V
N.O.
(RY3)
ASYMMETRIC
RECTIFIER
N.O.
(RY1)
POWER
TRANSFORMER
COM.
(RY3)
COM.
(RY2)
N.O.
(RY2)
CAPACITOR
1.13µF
AC2100V
N.O.
(RY3)
ASYMMETRIC
RECTIFIER
R-980J