Sharp R-204EWA Service Manual - Page 9

Oven Schematic-, indicates components with potential above 250V.

Page 9 highlights

R-204EWA SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY NOTE: " " indicates components with potential above 250V. C/T FUSE MAGNETRON THERMAL CUT-OUT COM. N.O. POWER TRANSFORMER A3 (RY-1) (RY-2) PRIMARY INTERLOCK RELAY 120V AC 60 Hz GRN CONTROL UNIT A1 B1 B2 OL OVEN LAMP SECONDARY INTERLOCK SWITCH TTM FM DOOR SENSING SWITCH TURNTABLE MOTOR FAN MOTOR MONITOR SWITCH CAPACITOR 0.86µF RECTIFIER MAGNETRON Figure O-1. Oven Schematic-Off Condition SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. COOKING TIME PROGRAMMED 3. VARIABLE COOKING CONTROL "HIGH" 4. "START" PAD TOUCHED C/T FUSE MAGNETRON THERMAL CUT-OUT COM. N.O. POWER TRANSFORMER (RY-1) (RY-2) A3 PRIMARY INTERLOCK RELAY 120V AC 60 Hz GRN CONTROL UNIT A1 B1 B2 OL OVEN LAMP SECONDARY INTERLOCK SWITCH TTM FM DOOR SENSING SWITCH TURNTABLE MOTOR FAN MOTOR MONITOR SWITCH CAPACITOR 0.86µF RECTIFIER Figure O-2. Oven Schematic-Cooking Condition MAGNETRON 7

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7
R-204EWA
Figure O-1. Oven Schematic-Off Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1.
DOOR CLOSED
2.
CLOCK APPEARS ON DISPLAY
SCHEMATIC
NOTE: CONDITION OF OVEN
1.
DOOR CLOSED
2.
COOKING TIME PROGRAMMED
3.
VARIABLE COOKING CONTROL "HIGH"
4.
"START" PAD TOUCHED
Figure O-2. Oven Schematic-Cooking Condition
NOTE: "
" indicates components with potential above 250V.
POWER
TRANSFORMER
RECTIFIER
MAGNETRON
CAPACITOR
0.86
µ
F
C/T FUSE
120V AC
60 Hz
OVEN
LAMP
TURN-
TABLE
MOTOR
FAN
MOTOR
MONITOR
SWITCH
SECONDARY
INTERLOCK
SWITCH
TTM
OL
FM
GRN
A3
COM.
N.O.
DOOR
SENSING
SWITCH
B1
B2
(RY-1)
(RY-2)
CONTROL UNIT
PRIMARY
INTERLOCK
RELAY
MAGNETRON
THERMAL CUT-OUT
A1
POWER
TRANSFORMER
RECTIFIER
CAPACITOR
0.86
µ
F
C/T FUSE
120V AC
60 Hz
OVEN
LAMP
TURN-
TABLE
MOTOR
FAN
MOTOR
MONITOR
SWITCH
SECONDARY
INTERLOCK
SWITCH
TTM
OL
FM
GRN
A3
COM.
N.O.
DOOR
SENSING
SWITCH
B1
B2
(RY-1)
(RY-2)
CONTROL UNIT
PRIMARY
INTERLOCK
RELAY
MAGNETRON
THERMAL CUT-OUT
A1
MAGNETRON