0
MMD24S
MMD24B
SCHEMATIC (OFF CONDITION)
3. Only certain models use the absol
ute humidity sensor
.
2.
T
erminal that is located on the right side on lamp socket's back view
1. Circuits / Wire Colors subject to change without notice.
NOTES:
must be connected to neutral wire.
(DOOR CLOSED, COOK OFF CONDITTION)
4. Power
T
ransformer (Finish Lead) terminal must be connected to Hot wire (RED)
MAGNETRON
N
L
RESISTOR 470 k
Ω
1/2W
LINE CROSS CAPACITOR 1.0 µF 275V
NOISE SUPRESSION COIL
0.0033 µF 250V
LINE BYPASS CAPACITOR
0.0033 µF 250V
LINE BYPASS CAPACITOR
FUSE
20A
CUT
-OUT
THERMAL
THERMAL
OVEN
MAG
CUT
-OUT
H
N
MICROW
A
VE DRA
WER
GRN
NOISE FIL
TER
GND
GR
Y
WHT
ORG
RED
BLK
WHT
"TO SOURCE"
"TO LOAD"
"TO LOAD"
"TO SOURCE"
SWITCHING
SWITCH
DOOR
SENSING
SENSOR
FAN MOTOR
HUMDITY
F3
F2
F1
SM
FM
OL
A3
COM
N.O.
STIRRER MOTOR
OVEN LAMP
SECONDAR
Y
INTERLOCK SWITCH
RY3
RY1
RY2
CAPACITOR
xxx µF
AC 2300V
H.V. RECTIFIER
POWER TRANSFORMER
COM
PRIMARY INTERLOCK RELAY
N.O.
E1
E3
B1
TRANSFORMER
LOW VOL
TAGE
A1
M4
POSITION SWITCH FRONT
M5
POSITION
DOOR
SWITCH
REAR
DOOR OPEN-CLOSE
MICROW
A
VE DRA
WER
MOT
OR
DM
DOOR
RY4
MONITOR SWITCH
N.C.
COM
N.O.
COM
A5
H9
RY5
A7
3
CN501
1
CN501
2
CN502
CN502
3
CN502
GRN
GRN
GRN
GRN*2
GRY
BLU
GRN
1
GRN
H1
1
N.O.
COM
THIRD DOOR
SWITCH
REGULA
T
OR
CONTROL
UNIT
ORG
RED
ORG
BRN
BLK
RED
RED or BLK
RED
RED or BLK
ORG
GRY
WHT
BLK *2
BRN
RED *2
BLK *2
RED *2
GRY
RED
BLK
GRY
WHT
WHT
GR
Y
BLK or
YL
W
BLU
WHT
GRY
WHT
WHT
WHT
ORG or
YL
W
BLK or
YL
W
BLK
RED
GRN
WHT
N4
N5
M3
M1
N3
RED
N1
N2
ORG
BLU
YLW
BLK
GRN
BLK
or
or
or
YLW
or
GRY
WHT