Sharp R-937 Service Manual

35
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. GRILL MODE SET.
3. COOKING TIME SET.
4. STRAT BUTTON PRESSED.
Figure O-4 Oven Schematic-Convection Condition
NOTE: The convection cooking will be curried out as back up until the
oven cavity temperature rises to 220 ˚C.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CONVECTION MODE SET
3. COOKING TIME SET.
4. CONVECTION TEMPERATURE SELECTED.
5. STRAT BUTTON PRESSED.
Figure O-3 Oven Schematic-Grill cooking Condition (TOP GRILL mode)
NOTE: When the convection temperature 160 - 250 ˚C are selected, the
grill heating element will be energized as back up.
OL
OVEN LAMP
CONVECTION MOTOR
DAMPER MOTOR
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENTS
CONVECTION HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE TRANSFORMER
T/C TRANSFORMER
CAPACITOR 1.16 µF AC2100V
CONTROL
UNIT
A7
D3D1
RY5
COM.
COM. COM.
N.O.
N.O.
COM.
N.O. N.O.
A3
E5 E7
E3 E1
A1
B2 B3 B4
C3 C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG. THERMAL CUT-OUT
CONV. THERMAL CUT-OUT
MONITOR
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ/250V
FUSE F8A
NOISE FILTER
LN
230V ~ 50Hz
BRN/15BLU/15
G-Y/15
EARTH
LIVENEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1 RY2 RY3
RY4
FM
TTM
CM
DM
GRILL THERMAL CUT-OUT
F1: FUSE 20A
F2:
TC1:
CH:
T:
C:
MG:
GH:
T
C2:
TC3:
SW1:
SW3:
SW4: SW2:
OL
OVEN LAMP
CONVECTION MOTOR
DAMPER MOTOR
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENTS
CONVECTION HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE TRANSFORMER
T/C TRANSFORMER
CAPACITOR 1.16 µF AC2100V
CONTROL
UNIT
A7
D3D1
RY5
COM.
COM. COM.
N.O.
N.O.
COM.
N.O. N.O.
A3
E5 E7
E3 E1
A1
B2 B3 B4
C3 C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG. THERMAL CUT-OUT
CONV. THERMAL CUT-OUT
MONITOR
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ/250V
FUSE F8A
NOISE FILTER
LN
230V ~ 50Hz
BRN/15BLU/15
G-Y/15
EARTH
LIVENEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1 RY2 RY3
RY4
FM
TTM
CM
DM
GRILL THERMAL CUT-OUT
F1: FUSE 20A
F2:
TC1:
CH:
T:
C:
MG:
GH:
T
C2:
TC3:
SW1:
SW3:
SW4: SW2:
SCHEMATICS

Sharp R-937 Specifications

General

Brand	Sharp
Model	R-937
Category	Microwave Oven
Language	English