Service manual

33
DMT2420B DMT2420R DMT2420S
6
45
1
2
3
6
45
1
2
3
A
B
C D E F
G H
A
B
C D E F
G H
H
IGH
VOLT
AG
E
C
APAC
IT
OR
H
IGH
VOLT
AGE
WIR
E A
H
.V.
R
EC
T
IF
IER
POWER SUPPLY
CO
RD 120V 60Hz
HIGH V
OLT
AGE
COMPONEN
TS
OVEN
LAMP
AN
D
SOC
KET
MAGN
ET
R
ON
CO
M.
MON
I
T
OR
SWIT
C
H
CO
M.
N.O.
N.
C.
DO
OR
SENSING
SWITCH
SEC
ON
D
AR
Y
IN
T
ER
L
O
C
K
SWIT
C
H
T
U
RNT
ABL
E
MOT
O
R
N
OT
E:
H
o
t (
OR
G)
w
i
r
e m
us
t
be
conn
ected
to
the
ter
m
ina
l
w
i
th
blue mar
k
o
n the
oven
li
g
ht socket
.
POWER
TRAN
SF
OR
MER
CO
M.
NO
NO
T
E:
The neutral (W
H
T
/G
RY) wire
must
be
connected to the
t
erminal
wit
h
"N" mar
k on the
power
supply
cord.
RED
WH
T
BR
N
R
ED
WH
T
WHT
OR
G
WHT
R
ED
R
ED
PNK
GR
N
GR
N
to
O
ven
cavity
WH
T
WH
T
WH
T
WH
T
B
L
UE
MA
RK
RED
CAVITY TEMP. FUSE
F
AN
MOT
OR
C
/T
F
U
SE
WHT
WHT
GR
Y
GR
Y
WH
T
GR
N
OR
G
H
N
NO
T
E:
The grounding conduct
or of
the power supply cord has
been grounded by power
supply cord fixing screw.
The screw must always be
kept t
ight.
PNK
GR
N
2
1
CN-B
BR
N
WH
T
BLK
CN-B
RY2
RY1
IC1
PRIMARY
INTERLOCK
RELAY
CN-A
CN-G
CN-C
CN-C
CN-F
T1
1
1
2
2
1
1
15
11
3
CONTROL UNIT
(CPU UNIT)
BLK
AH SENSOR
RED
WHT
1
2
3
CN-F
N.O.
N
.
O.
C
O
M
C
O
M
OR
G
BLU
OR
G
Figure S-1. Pictorial Diagram