9. Schematic Diagrams
9-1 Schematic Diagrams
9-1
WARNING
NOTE : CIRCUIT SHOWN WITH DOOR IS OPENED POSITION.
NOTE : FOR SERVICE REPLACEMENT USE 16 GA 105ûC
T HERMOPLASTIC COVERED WIRE EXCEPT
FOR HIGH VOLTAGE LEADS OR AS NOTED ON SPECIAL LEADS.
POWER MUST BE DISCONNECTED
BEFORE SERVICING THIS APPLIANCE
VARISTOR
L.V.TRANS
LAMP
MAIN RELAY
POWER RELAY
SECONDARY
INTERLOCK
SWITCH
PRIMARY
INTERLOCK S/W
FAN
MOTOR
D/MOTOR
INTERLOCK
MONITOR
SWITCH
H. V. TRANS
H. V. CAPACITOR
(0.95uF)
H. V. DIODE
0V
F
FA
MAGNETRON
POWER CORD
AC 120V/60Hz
(N)
(L)
BLK
YEL
BLU
BLK
BLK
BLK
BLK
WHT
ORG
WHT
BLU
RED
WHT
WHT
RED
1. INPUT : 120V 60HZ
2. DOOR : OPEN
3. LAMP : ON
4. : P.C.B PATTERN
5. : P.C.B IN/OUT POINT
MGT
TCO
COM
COM
NC
120V
120V
130V
40W
21V
0V
NO
L
FM
DM
ASSY CHOKE P.C.B
FUSE (250V 20A)
WHT
G
G
GND
GND
C1
C3
C2
0.9mH
500K
½
2200pF
2200pF
BLK BLK
BLK BLU
BLU RED
WHT
BLU
BLK
ORG
NO
COM
NO
COM
ORG
NO
COM
NC
COM
DOOR
SENSING SWITCH
SECONDARY
INTERLOCK SWITCH
INTERLOCK
MONITOR SWITCH
PRIMARY
INTERLOCK SWITCH
(CON1)
CONDITION
COLOR SYMBOL
WHT : WHITE
BLK
: BLACK
YEL
: YELLOW
BLU
: BLUE
ORG : GRANGE
G
: GREEN
RED
: RED
RED
RED
RED
ORG
WHT
BLK
MAGNETRON
HIGH VOLTAGE
DIODE
TO CHASSIS
FA
F
HIGH VOLTAGE
TRANSFORMER
HIGH VOLTAGE CAPACITOR
BLK
Samsung Electronics
