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9. Schematic Diagrams
9-1 Schematic Diagrams
V
A
R
IS
T
O
R
H
E
A
T
E
R
G
R
IL
L
T
C
O
G
R
IL
L
R
E
L
A
Y
L
.V
.T
R
A
N
S
L
A
M
P
M
A
IN
R
E
L
A
Y
POWER RELAY
(SECONDARY INTERLOCK)
PRIMARY S/W
CAVITY
TCO
F
A
N
M
O
T
O
R
D
/M
O
T
O
R
M
O
N
IT
O
R
S
W
IT
C
H
H. V. TRANSFORMER
H. V. CAPACITOR
120V
0V
FF
A
MAGNETRON
POWER CORD
AC 120V/60Hz
FUSE
250V20A
POWER MUST BE DISCONNECTED
BEFORE SERVICING THIS APPLIANCE
WARNING
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.
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
BLK
BLK
R
RED
RED
ORG
WHT
BLK
WHT
ORG
ORG
WHT
BLK
MAGNETRON
HIGH VOLTAGE
DIODE
TO CHASSIS
FA
F
HIGH VOLTAGE
TRANSFORMER
POWER RELAY
DOOR SENSING SWITCH
BOTTOM
MONITOR SWITCH
CENTER
PNK
BLK
WHT
PRIMARY SWITCH
TOP
HIGH VOLTAGE CAPACITOR
WHT
WHT
BLK
RED
ORG
WHT
SYMBOL
COLOR
BLU
BLK
RED
YEL
YELLOW
ORANGE
WHITE
BLUE
BLACK