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R1500AT
CHAPTER 12.
R1500AT
CIRCUIT DIAGRAMS
[1] Oven Schematic
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEAR ON DISPLAY.
LINE
L
230V
50Hz
GRN
N
NEUTRAL
SCHEMATIC
NOTE: CONDITION OF OVEN
4. DOOR OPENED.
5. "0" APPEAR ON DISPLAY.
LINE
L
230V
50Hz
GRN
N
NEUTRAL
PRIMARY
INTERLOCK
F1: WEAK POINT
RELAY
F2: WEAK POINT
TF3:
OVEN
TEMP.
FUSE
SW5:
DOOR
SENSING
SWITCH
C3
AM AM
OL
RY1
RELAY UNIT
3A FUSE
T1
D1
D2
D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13
RY4
E2
E1
A1
F1
F3
F5
F7
CONTROL UNIT
G5
G1
G2
G3
G4
ANT.
ANT.
SENSOR (1)
SENSOR (2)
Figure O-1a Oven Schematic-OFF condition right after the oven is plugged in.
PRIMARY
INTERLOCK
F1: WEAK POINT
RELAY
F2: WEAK POINT
TF3:
OVEN
TEMP.
FUSE
SW5:
DOOR
SENSING
SWITCH
C3
OL
AM AM
RY1
RELAY UNIT
3A FUSE
T1
D1
D2
D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13
RY4
E2
E1
A1
F1
F3
F5
F7
CONTROL UNIT
G5
G1
G2
G3
G4
ANT.
ANT.
SENSOR (1)
SENSOR (2)
Figure O-1b Oven Schematic-OFF condition when the oven door is opened.
Service Manual
COOK
RELAY (1)
COOK
RELAY (2)
C1
RY2
RY3
CT1
FAN MOTOR
EXHAUST FAN
(DC24V)
(DC24V)
FM
FM
FF
F9
F11 F13 F15 F17 F19 F21 F23 F25
F12 F14 F18 F16 F20
F4
F6
F8
F10
G6
G7
H1
H2
H3
F26
F24
EM
EXHAUST
MOTOR
(DC24V)
EXHAUST
THERMISTOR
SW1:
SECONDARY INTERLOCK
MICROWAVE
SWITCH
SENSOR
SW2:
SECONDARY INTERLOCK
SWITCH
COOK
RELAY (1)
COOK
RELAY (2)
C1
RY2
RY3
CT1
FAN MOTOR
EXHAUST FAN
(DC24V)
(DC24V)
FM
FM
FF
F9
F11 F13 F15 F17 F19 F21 F23 F25
F12 F14 F18 F16 F20
F4
F6
F8
F10
G6
G7
H1
H2
H3
F26
F24
EM
EXHAUST
MOTOR
(DC24V)
EXHAUST
THERMISTOR
SW1:
SECONDARY INTERLOCK
MICROWAVE
SWITCH
SENSOR
SW2:
SECONDARY INTERLOCK
SWITCH
12 – 1
T1:
POWER
TRANSFORMER (1)
TF1:
MAGNETRON
TEMP. FUSE
C1:
H. V.
CAPACITOR (1)
TF2:
MAGNETRON
TEMP. FUSE
H. V.
ASYMMETRIC
RECTIFIER (1)
T2:
POWER
TRANSFORMER (2)
C1:
H. V.
CAPACITOR (2)
F22
TH:
MAGNETRON
THERMISTOR (1)
MAGNETRON
H. V.
THERMISTOR (2)
ASYMMETRIC
RECTIFIER (2)
CAPACITOR R-2100AT : 1.13uF
R-1500AT : 0.82uF
T1:
POWER
TRANSFORMER (1)
TF1:
MAGNETRON
TEMP. FUSE
C1:
H. V.
CAPACITOR (1)
TF2:
MAGNETRON
TEMP. FUSE
H. V.
ASYMMETRIC
RECTIFIER (1)
T2:
POWER
TRANSFORMER (2)
C1:
H. V.
CAPACITOR (2)
F22
TH:
MAGNETRON
THERMISTOR (1)
MAGNETRON
H. V.
THERMISTOR (2)
ASYMMETRIC
RECTIFIER (2)
CAPACITOR R-2100AT : 1.13uF
R-1500AT : 0.82uF
FA
F
H. V.
RECTIFIER (1)
FA
F
H. V.
RECTIFIER (2)
FA
F
H. V.
RECTIFIER (1)
FA
F
H. V.
RECTIFIER (2)
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