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Wiring Diagram and Schematic
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven before servicing, unless
testing requires it.
L1
L1
FUSE
TCO
(OVEN)
INTERLOCK
SWITCH
(SECONDARY)
E3
SELF-
RESETTING
TCO (TOP
FRONT MAG)
FUSE
1
COM
CAPACITOR
RESISTOR
MAGNETRON 1
(TOP FRONT)
!
GND
L2
LINE FILTER
M
L2
SELF-
(MAG 2)
RESETTING
M
CONTROL
TCOS
(MAG 1)
J6-3
(MAG 3)
240
5
J1-7
J1-1
J6-6
4
J1-6
HI VOLT BOARD
CURRENT
SENSING
COIL
8
7
INTERLOCK SWITCH
(MONITOR)
J4-5
1
G
J5-2
J5-1
J5-4
J5-3
J4-6
2
SELF-
RESETTING
TCO (TOP
REAR MAG)
FUSE
2
3
220
230
POWER
X'FMR
(TOP FRONT
MAG)
5
6
FA
F
RECTIFIER
DANGER HIGH VOLTAGE
WARNING
230V 50Hz 3-WIRE
BLOWER MOTOR
ANTENNA MOTOR
(TOP)
M
ANTENNA MOTOR
(BOTTOM)
OVEN LIGHT
(NOT ON ALL MODELS)
AUTO TRANSFORMER
220
COM
J6-5
E1
EMI
SUPPRESSOR
J6-1
3
INTERLOCK
SWITCH
(PRIMARY)
2
HI VOLT BOARD
J4-3
1
TRIAC
TRIAC
G
(TOP
(TOP
FRONT
REAR
MAG)
MAG)
J4-4
2
SNUBBER
SNUBBER
1
2
3
COM
220
230
POWER
X'FMR
(TOP REAR
MAG)
5
6
CAPACITOR
RESISTOR
FA
F
MAGNETRON 2
(TOP REAR)
RECTIFIER
12535201
!
DANGER
High Voltage
41
SCHEMATIC
CONDITION:
DOOR OPEN
INTERLOCK
SWITCH
SCHEMATIC
DOOR CLOSED
2
3
5
4
7
8
HI VOLT BOARD
J2
1
2
3
4
5
6
7
8
9
SHIELD
1
2
3
4
5
6
7
8
9
J2
LO VOLT BOARD
J1
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
J1
EXTENDED MEMORY BOARD
(NOT ON ALL MODELS)
J4-1
1
G
TRIAC
(BOTTOM
E2
MAG)
J3-2
J4-2
2
SNUBBER
SELF-
RESETTING
TCO
(BOT MAG)
FUSE
1
2
COM
220
POWER
X'FMR
(BOTTOM
MAG)
CAPACITOR
RESISTOR
RECTIFIER
FA
F
MAGNETRON 3
(BOTTOM)
12
13
12
13
J3-3
3
230
5
6
RS5320014 Rev. 0
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