Schematic Diagrams - Samsung MG7980W Service Manual

9. Schematic Diagrams

9-1 Schematic Diagrams
FUSE
250V20A
BLK
POWER CORD
AC 120V/60Hz
WHT
MGT TCO
NOTE : CIRCUIT SHOWN WITH DOOR IS OPENED POSITION.
NOTE : FOR SERVICE REPLACEMENT USE 16 GA 105˚C
THERMOPLASTIC COVERED WIRE EXCEPT
FOR HIGH VOLTAGE LEADS OR AS NOTED ON SPECIAL LEADS.
PRIMARY SWITCH
TOP
ORG
DOOR SENSING SWITCH
BOTTOM
WHT
WHT
WHT
Samsung Electronics
POWER MUST BE DISCONNECTED
BEFORE SERVICING THIS APPLIANCE
CAVITY
TCO
BLK
BLK
BLK
BLK
BLK
YEL
WHT
WHT
WHT
BLK
BLK
BLK
WHT
BLK
ORG
BLU
MONITOR SWITCH
CENTER
WHT
POWER RELAY
WARNING
PRIMARY S/W
BLK
BLK
BLU
130V
L
40W
ORG
120V
FM DM
21V
0V
YEL
ORG
WHT
POWER RELAY
(SECONDARY INTERLOCK)
MAGNETRON
FA F
WHT
BLK
BLK
HIGH VOLTAGE
TRANSFORMER
H. V. TRANSFORMER
120V
BLK
COM
NC
NO
0V
MAGNETRON
WHT
1. INPUT : 120V 60HZ
2. DOOR : OPEN
3. LAMP : ON
4. : P.C.B PATTERN
5. : P.C.B IN/OUT POINT
HIGH VOLTAGE
DIODE
R
HIGH VOLTAGE CAPACITOR
RED
RED
SYMBOL COLOR
ORG ORANGE
WHT WHITE
BLK BLACK
BLU
RED
YEL YELLOW
H. V. D
H. V. CAPACITOR
F FA
TO CHASSIS
ORG
BLUE
RED
9-1