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Sharp R-22AT
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36
R-22AT
R-23AM
R-24AT
Figure O-2 Oven Schematic-IDLE Condition (Door opened condition)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. POWER SUPPLY CONNECTED AND/OR 1MINUTE
AFTER DOOR CLOSED OR COOK OFF.
2. : APPEAR ON DISPLAY.
NOTE: Indicates components with potential above 250 V.
Figure O-1 Oven Schematic-OFF Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. FOR 1MINUTE AFTER DOOR CLOSED.
2. : APPEAR ON DISPLAY.
F1 : FUSE F13A
BLU
NEUTRAL LIVE
GRN/YLW
BRN
NOISE FILTER
SW1: 
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
SW4:
MONITOR
SWITCH
R1:
MONITOR
RESISTOR
4.3/20W
NOISE SUPPRESSION COIL
DISCHARGE RESISTOR 680 k 1/2W
DISCHARGE RESISTOR 10 M 1/2W
LINE CROSS CAPACITOR 0.22µF/ AC250V
LINE CROSS CAPACITOR 
10000 pF/ AC250V
LINE CROSS CAPACITOR 
10000 pF/ AC250V
A7
A5
TF3:BLOWER MORTOR
TEMP. FUSE 120C °
TF4:OVEN TEMP. 
FUSE 120C °
F2:
FUSE
F6.3A
SW2: 2ND LATCH SWITCH
F4: FUSE M8A
A1
TF1: MAGNETRON (MG1)
TEMP. FUSE 150 °C
TF2:
MAGNETRON (MG2)
TEMP. FUSE 150°C
OVEN LAMP
BLOWER MOTOR
A3
CONTROL
UNIT
RY3 (R-22AT/24AT)
RY2 (R-23AM)
RY4 (R-22AT/24AT)
RY3 (R-23AM)
B1
SW3: 
3RD LATCH SWITCH
OVEN 
THERMISTER (1)
OVEN 
THERMISTER (2)
SW5: 
STOP 
SWITCH
TAB3
TAB2
TAB1
TAB4
T1: HIGH VOLTAGE
TRANSFORMER
230V - 240V~50Hz
H. V. RECTIFIER
C1: H.V. CAPACITOR
MG1: MAGNETRON
F3: FUSE M8A
SM
UPPER
STIRRER MOTOR
LOWER
STIRRER MOTOR
SM
BM
B2
B3
H1
H3
MAGNETRON THERMISTER
H. V. RECTIFIER
C2: H.V. CAPACITOR
MG2: MAGNETRON
H.V.
FUSE
0.6 A/ 5 kV (R-22AT)
0.75 A/ 5 kV
R-
24AT
R-23AM
T2: HIGH VOLTAGE
TRANSFORMER
L
BLK
WHT
N
OL
RY1
EARTH
H.V.
FUSE
0.6 A/ 5 kV (R-22AT)
0.75 A/ 5 kV
R-
24AT
R-23AM
F1 : FUSE F13A
NOISE FILTER
SW1: 
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
SW4:
MONITOR
SWITCH
NOISE SUPPRESSION COIL
DISCHARGE RESISTOR 680 k 1/2W
DISCHARGE RESISTOR 10 M 1/2W
LINE CROSS CAPACITOR 0.22µF/ AC250V
LINE CROSS CAPACITOR 
10000 pF/ AC250V
LINE CROSS CAPACITOR 
10000 pF/ AC250V
A7
A5
TF3:BLOWER MORTOR
TEMP. FUSE 120C °
TF4:OVEN TEMP. 
FUSE 120C °
F2:
FUSE
F6.3A
SW2: 2ND LATCH SWITCH
F4: FUSE M8A
A1
TF1: MAGNETRON (MG1)
TEMP. FUSE 150 °C
TF2:
MAGNETRON (MG2)
TEMP. FUSE 150°C
OVEN LAMP
BLOWER MOTOR
A3
CONTROL
UNIT
RY3 (R-22AT/24AT)
RY2 (R-23AM)
RY4 (R-22AT/24AT)
RY3 (R-23AM)
B1
SW3: 
3RD LATCH SWITCH
OVEN 
THERMISTER (1)
OVEN 
THERMISTER (2)
SW5: 
STOP 
SWITCH
TAB3
TAB2
TAB1
TAB4
T1: HIGH VOLTAGE
TRANSFORMER
H. V. RECTIFIER
C1: H.V. CAPACITOR
MG1: MAGNETRON
F3: FUSE M8A
SM
UPPER
STIRRER MOTOR
LOWER
STIRRER MOTOR
SM
BM
RY1
B2
B3
H1
H3
MAGNETRON THERMISTER
H. V. RECTIFIER
C2: H.V. CAPACITOR
MG2: MAGNETRON
T2: HIGH VOLTAGE
TRANSFORMER
L
BLK
WHT
N
OL
BLU
NEUTRAL LIVE
GRN/YLW
BRN
230V - 240V~50Hz
EARTH
H.V.
FUSE
0.6 A/ 5 kV (R-22AT)
0.75 A/ 5 kV
R-
24AT
R-23AM
H.V.
FUSE
0.6 A/ 5 kV (R-22AT)
0.75 A/ 5 kV
R-
24AT
R-23AM
R1:
MONITOR
RESISTOR
4.3/20W

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