R-875/885 -
40
Figure S-2. Power Unit Circuit
E 1
WH1-3
WH1-6
WH1-9
WH1-5
WH1-8
WH1-1
WH1-2
WH1-n
WH1-10
WH1-12
WH1-13
WH1-14
WH1-15
WH1-11
E 3
E 5
E 7
T1
AC230-240V
50Hz
FAN MOTOR
OVEN
THERMISTOR
GND
GND
R3 510 1w
R6 200 1w
Q2
KTA1274
Q3
KRC243M
R4 510 1w
D11-D14
1N4005E
or
1N4004S
RY5
a
b
c
d
D11
D12
D13
D14
C1
VRS1
(J1)
(J2)
D5
RY6
D6
RY1
D1
R2
1.5k
ZD2
HZ20-1
RY4
D4
RY3
D3
RY2
D2
10G471K
C3
C2 1000
µ
/35v
C5
10
µ
/35v
C4 10
µ
/35v
R5 3.3k
SP1
VC
BUZZER
VR
INT
POWER
CONTROL
STOP
SWITCH
NC
BOTTOM
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
STOP
SWITCH
OVEN LAMP
TURNTABLE
MOTOR
DOOR OPEN
CONTACT
A 1
A 3
A 5
C 3
A 7
N O
N O
N O
N O
COM
COM
COM
COM
B 2
B 1
NOTE 1.
NOTE 2.
+
–
+
–
+
–
WH1-7
CONVECTION
MOTOR
RY7
D7
A 9
: IF NOT SPECIFIED, 1/4W
±
5%
15P WIRE HARNESS
: IF NOT SPECIFIED, 0.1
µ
F / 50V
: IF NOT SPECIFIED, 1SS270A
C 1
WH1-4
POWER UNIT CIRCUIT DIAGRAM