Power Unit Circuit - Sharp R-969IN Service Manual

R969(W)

[3] Power Unit Circuit

T1
E 1
E 3
E 5
E 7
A 1
A 3
AC230V
50Hz
A 5
FAN MOTOR A 7
CONVECTION
D 1
MOTOR
DAMPER
D 3
MOTOR
D 5
NC
OVEN LAMP
TURNTABLE
MOTOR
CONVECTION
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
B 4
DAMPER
SWITCH
B 3
B 2
STOP
SWITCH
B 1
D10
S1NB10
d
a b
c
RY5
RY6
RY7
RY8
R6 130 1w
RY1
RY4
RY3
RY2
Q2
2SB1238
NOTE 1.
: IF NOT SPECIFIED, 1/4W±5%
: IF NOT SPECIFIED, 0.1 uF / 50V
: IF NOT SPECIFIED, 1SS270A
Figure S-2. Power Unit Circuit
C 3
GND
+
-
Q1 2SB1238
R3 680 1w
Q3
KRC243M
NOTE 2.
WH1-n
WH2-n
14 – 6
C 1
OVEN
WH1-4
THERMISTOR
WH1-3
GND
+
-
R4 510 1w
WH1-6
VC
R5 3.3k
WH1-9
BUZZER
SP1
WH2-2
VA
WH1-10
VR
WH1-5 INT
POWER
WH1-11
CONTROL
WH1-8
WH1-7
WH2-4
WH2-3
WH1-12
WH1-13
WH1-14
WH1-15
+
-
DAMPER
WH2-1
SWITCH
WH1-2
NC
WH1-1
STOP
SWITCH
15P WIRE HARNESS
4P WIRE HARNESS