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9. Schematic Diagrams
9-1 Schematic Diagrams
9-1
VARISTOR
L.V.TRANS
LAMP
MAIN RELAY
POWER RELAY
(SECONDARY INTERLOCK)
PRIMARY S/W
CAVITY
TCO
FAN
MOTOR
D/MOTOR
MONITOR
SWITCH
H. V. TRANSFORMER
H. V. CAPACITOR
120V
0V
F FA
MAGNETRON
POWER CORD
AC 120V/60Hz
N
L
BLK
BLK
BLK
BLK
BLK
BLK
BLK
YEL
YEL
FUSE
250V20A
WHT
WHT
WHT
WHT
WHT
ORG
ORG
POWER MUST BE DISCONNECTED
BEFORE SERVICING THIS APPLINACE
WARNING
NOTE: CIRCUIT SHOWN WITH DOOR IS OPENED POSITION.
NOTE: FOR SERVICE REPLACEMENT USE 16GA 105 C
THERMOPLASTIC COVERED WIRE EXCEPT
FOR HIGH VOLTAGE LEADS OR AS NOTED ON SPECIAL LEADS.
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
NC
120V
130V
40W
21V
0V
NO
L
FM DM
P.C.BOARD
DOOR
SENSING
SWITCH
CON2
BLK
BLK
R
RED
RED
ORG
WHT
BLK
WHT
ORG
ORG
WHT
BLK
BLK
MAGNETRON
HIGH VOLTAGE
DIODE
TO CHASSIS
FA F
HIGH VOLTAGE
TRANSFORMER
POWER RELAY
DOOR SENSING SWITCH
BOTTOM
MONITOR SWITCH
CENTER
BLK
PRIMARY SWITCH
TOP
HIGH VOLTAGE CAPACITOR
WHT
WHT
BLK
RED
ORG
WHT
SYMBOL COLOR
BLU
BLK
RED
ORANGE
WHITE
BLUE
BLACK