Sharp R-305HK Service Manual page 9

SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED
2. CLOCK APPEARS ON DISPLAY
C/T FUSE
GRN
120V AC
60 Hz
N.O.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED
2. COOKING TIME PROGRAMMED
3. VARIABLE COOKING CONTROL "P-HI" (100%)
4. "START" PAD TOUCHED
C/T FUSE
GRN
120V AC
60 Hz
N.O.
NOTE: " " indicates components with potential above 250V.
TEMPERATURE
FUSE 150˚C (OVEN)
CONTROL UNIT
OVEN
OL
LAMP
TTM
FM
OVEN LAMP
RELAY
(RY1)
TURN-
SECONDARY
TABLE
INTERLOCK
MOTOR
SWITCH
COM.
Figure O-1. Oven Schematic-Off Condition
TEMPERATURE
FUSE 150˚C (OVEN)
CONTROL UNIT
OVEN
OL
LAMP
TTM
FM
OVEN LAMP
RELAY
(RY1)
TURN-
SECONDARY
TABLE
INTERLOCK
MOTOR
SWITCH
COM.
Figure O-2. Oven Schematic-Cooking Condition
7
N.O.
PRIMARY
INTERLOCK
RELAY
(RY2)
COM.
B2 B1
DOOR
SENSING
SWITCH
FAN
MOTOR
N.O.
PRIMARY
INTERLOCK
RELAY
(RY2)
COM. B2 B1
DOOR
SENSING
SWITCH
FAN
MOTOR
R-305HK
R-305HW
POWER
TRANSFORMER
CAPACITOR
0.94 F
AC 2200V
RECTIFIER
MAGNETRON
POWER
TRANSFORMER
CAPACITOR
0.94 F
AC 2200V
RECTIFIER
MAGNETRON