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