Oven Schematic - Sharp R-1520LK Supplemental Service Manual

R-1520LK
R-1520LW
R-1520LQ
NOTE: " " indicates components with potential above 250V.
BLK
GRN
120VAC
GND
60Hz
L
GND
WHT
N
BLU
NOISE FILTER
NOTES:
1.CIRCUITS SUBJECT TO CHANGE WITHOUT NOTICE.
2. TERMINAL WITH PROJECTION OR OPPOSITE BLUE MARK ON LAMP SOCKET
MUST BE CONNECTED TO NEUTRAL WIRE.
3. ONLY CERTAIN MODELS USE THE ABSOLUTE HUMIDITY SENSOR.
4. POWER TRANSFORMER LEFT (FINISH LEAD) TERMINAL MUST BE CONNECTED TO THE NEUTRAL (WHITE) WIRE.
BLK
GRN
120VAC
GND
60Hz
L
GND
WHT
N
BLU
NOISE FILTER
NOTES:
1.CIRCUITS SUBJECT TO CHANGE WITHOUT NOTICE.
2. TERMINAL WITH PROJECTION OR OPPOSITE BLUE MARK ON LAMP SOCKET
MUST BE CONNECTED TO NEUTRAL WIRE.
3. ONLY CERTAIN MODELS USE THE ABSOLUTE HUMIDITY SENSOR.
4. POWER TRANSFORMER LEFT (FINISH LEAD) TERMINAL MUST BE CONNECTED TO THE NEUTRAL (WHITE) WIRE.
CAVITY
MAGNETRON
THERMAL
TEMPERATURE
CUTOUT
FUSE
RED
CONTROL UNIT
PPL
A5
RY4
B5
RY3 RY5
ORG
HOOD FAN
THERMAL
High
CUT OUT
B7
NC
OVEN LAMP
BLK
RELAY
Low
B9
WHT HOOD
CAPACITOR
RY6
A1 A3 N.O.
B1 B3
HOOD
MOTOR
PNK or
HOOD
LAMP
HL
HL
YLW
WHT
Figure O-1. Oven Schematic-Off Condition
CAVITY
MAGNETRON
THERMAL
TEMPERATURE
CUTOUT
FUSE
RED
CONTROL UNIT
PPL A5
RY4
B5
RY5
RY3
ORG
HOOD FAN
THERMAL
High
CUT OUT
B7
NC
OVEN LAMP
BLK
RELAY
B9 Low
WHT HOOD
CAPACITOR RY6
A1 A3 N.O.
B3
B1
HOOD
MOTOR
PNK or
HOOD
LAMP
HL
HL
YLW
WHT
Figure O-2. Oven Schematic-Cooking Condition
RED
RED
ORG
BLK
RED
RED
N.O. COM.
E2
DOOR
SENSING
SWITCH
E1
(RY2)
AH SENSOR
SECONDARY F1
INTERLOCK
F2
(RY1)
RELAY
F3
COM.
ORG
TURN
OVEN
FAN
OL FM
TTM
TABLE
LAMP
MOTOR
MOTOR
WHT
WHT
GRY
PRIMARY
INTERLOCK
SWITCH
RED RED
ORG
BLK
RED
RED
N.O. COM.
E2
DOOR
SENSING
SWITCH
E1
(RY2)
AH SENSOR
F1
SECONDARY
INTERLOCK
F2
(RY1)
RELAY
F3
COM.
ORG
TURN
OVEN
FAN
OL FM
TTM
TABLE
LAMP MOTOR
MOTOR
WHT
WHT
GRY
PRIMARY
INTERLOCK
SWITCH
8
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CLOCK APPEARS ON DISPLAY.
POWER
TRANSFORMER
HIGH
VOLTAGE
CAPACITOR
MONITOR
SWITCH
WHT
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. VA R I A B L E C O O K I N G C O N T RO L
"HIGH".
4. "START" BUTTON PRESSED.
POWER
TRANSFORMER
HIGH
VOLTAGE
CAPACITOR
MONITOR
SWITCH
WHT
MAGNETRON
MAGNETRON