R-870B
37
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. MIX PAD TOUCHED ONCE/TWICE.
3. COOKING TIME PROGRAMMED.
4. STRAT PAD TOUCHED.
Figure O-5(a) Oven Schematic-Mix cooking Condition (Convec. Mix High mode / Convec. Mix Low mode)
Figure O-5(b) Oven Schematic-Mix cooking Condition (Grill Mix High mode / Grill Mix Low mode)
NOTE: The microwave relay RY2 and heater relay RY3 could not turn on simultaneously.
NOTE:
Indicates components with potential above 250 V.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. MIX PAD TOUCHED THREE TIMES/FOUR TIMES.
3. COOKING TIME PROGRAMMED.
4. STRAT PAD TOUCHED.
NOTE: The microwave relay (RY2) and heater relays (RY3+RY4) could not turn on simultaneously.
FM
TTM
OVEN LAMP
FAN MOTOR
CONVECTION
MOTOR
TURNTABLE
MOTOR
CONTROUNIT
T1
T2
COM.
COM.
COM.
N.O.
COM.
N.O.
N.O.
N.O.
A1
LINE BYPASS CAPACITOR
0.0033
µ
F/ 250V
LINE BYPASS CAPACITOR
0.0033
µ
F/ 250V
RESISTOR 10M/ 0.5W
NOISE SUPPRESSION COIL
RESISTOR 680 k/ 0.5W
LINE CROSS CAPACITOR
0.22
µ
/250V
NOISE FILTER UNIT
THERMISTOR
BRN
BLU
G-Y
EARTH
LIVE
NEUTRAL
RY4
RY3
RY2
RY6
RY5
CM
RY1
GRILL HEATER (TOP)
BOTTOM HEATER
HIGH VOLTAGE
TRANSFORMER
B2
D1
D3
B1
F1
F3
F2
A3
A5
1ST.
LATCH SWITCH
THERMAL CUT-OUT
(MG.)
THERMAL
CUT-OUT(OVEN)
MONITOR SWITCH
FUSE 15A
FUSE
M10A
220 V
~
50Hz
MONITOR RESISTOR
0.8/ 20W
L
N
OL
2ND. INTERLOCK
RELAY CONTROL
SWITCH
AH SENSOR
RY2: 2ND. INTERLOCK
RELAY
H.V. RECTIFIER
CAPACITOR
1.07
µ
F
AC2200V
MAGNETRON
H.V. FUSE
0.75A
FM
TTM
OVEN LAMP
FAN MOTOR
CONVECTION
MOTOR
TURNTABLE
MOTOR
CONTROUNIT
T1
T2
COM.
COM.
COM.
N.O.
COM.
N.O.
N.O.
N.O.
A1
LINE BYPASS CAPACITOR
0.0033
µ
F/ 250V
LINE BYPASS CAPACITOR
0.0033
µ
F/ 250V
RESISTOR 10M/ 0.5W
NOISE SUPPRESSION COIL
RESISTOR 680 k/ 0.5W
LINE CROSS CAPACITOR
0.22
µ
/250V
NOISE FILTER UNIT
THERMISTOR
BRN
BLU
G-Y
EARTH
LIVE
NEUTRAL
RY4
RY3
RY2
RY6
RY5
CM
RY1
GRILL HEATER (TOP)
BOTTOM HEATER
HIGH VOLTAGE
TRANSFORMER
B2
D1
D3
B1
F1
F3
F2
A3
A5
1ST.
LATCH SWITCH
THERMAL CUT-OUT
(MG.)
THERMAL
CUT-OUT(OVEN)
MONITOR SWITCH
FUSE 15A
FUSE
M10A
220 V
~
50Hz
MONITOR RESISTOR
0.8/ 20W
L
N
OL
2ND. INTERLOCK
RELAY CONTROL
SWITCH
AH SENSOR
RY2: 2ND. INTERLOCK
RELAY
H.V. RECTIFIER
CAPACITOR
1.07
µ
F
AC2200V
MAGNETRON
H.V. FUSE
0.75A
Summary of Contents for R-870B
Page 2: ...R 870B ...