Schematic Diagrams - Samsung MB6774W Service Manual

9. Schematic Diagrams

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