Sharp R-3A88 - SCHEMATIC

25
R-3A88
SCHEMATIC
NOTE: CONDITION OF OVEN
1.DOOR CLOSED
2.CLOCK APPEARS ON DISPLAY
NOTE: " " indicates components with potentials above 250V.
Figure O-1. Oven Schematic-OFF Condition
Figure O-2. Oven Schematic-Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED
2. COOKING TIME PROGRAMMED
3. START KEY TOUCHED
POWER TRANSFORMER
MAGNETRON
H.V. RECTIFIER
CAPACITOR 1.07µ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LAMP
MONITOR SWITCH
CONTROL UNIT
THERMAL CUT-OUT 145˚(MG)
THERMAL CUT-OUT
95˚C (FAN)
1ST. LATCH
SWITCH
B1
B2
A5
A3
EARTH
BLU
BRN
220 V
˜
50Hz
OL
FM
TTM
N.O.
RY-1
G-Y
COM.
FUSE M8A
A1
THERMAL CUT-OUT 145˚C  (OVEN)
RY-2
MONITOR RESISTOR 0.8/20W
2ND. INTERLOCK RELAY
CONTROL SWITCH
2ND.  INTERLOCK  RELAY
POWER TRANSFORMER
MAGNETRON
H.V. RECTIFIER
CAPACITOR 1.07µ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LAMP
MONITOR SWITCH
CONTROL UNIT
THERMAL CUT-OUT 145˚(MG)
B1
B2
A5
A3
EARTH
BLU
BRN
OL
FM
TTM
N.O.
RY-1
G-Y
COM.
FUSE M8A
A1
THERMAL CUT-OUT 145˚C  (OVEN)
RY-2
MONITOR RESISTOR 0.8/20W
THERMAL CUT-OUT
95˚C (FAN)
1ST. LATCH
SWITCH
220 V
˜
50Hz
2ND. INTERLOCK RELAY
CONTROL SWITCH
2ND.  INTERLOCK  RELAY