Sharp R-239 - Microwave Cooking Tips and Advice

R239(W)
14 – 1
R239(W)
Service Manual
CHAPTER 14. CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1 Oven Schematic-OFF Condition
Figure O-2 Oven Schematic-ON Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
T: HIGH VOLTAGE TRANSFORMER
MG: MAGNETRON
H.V. RECTIFIER
TURNTABLE MOTOR
FAN MOTOR
OVEN LAMP
C:
SW2: MONITOR SWITCH
CONTROL UNIT
2ND.
INTERLOCK
RELAY
SW1: 1ST. LATCH
SWITCH
SW3:
2ND. INTERLOCK
RELAY CONTROL
SWITCH
OL
FM
TTM
N.O.
COM.
COM.
(RY-1)
(RY-2)
EARTH
230V 50Hz
BLU
BRN
LIVENEUTRAL
G-Y
F1: FUSE
T6.3A
N
L
NOISE SUPPRESSION COIL
NOISE FILTER
TF: TEMP.
FUSE
F2: H.V. FUSE 0.6A
B1
B2
NOTE: " " indicates components with potentials above 250V
N.O.
H.V. RECTIFIER
TURNTABLE MOTOR
FAN MOTOR
OVEN LAMP
CONTROL UNIT
2ND.
INTERLOCK
RELAY
OL
FM
TTM
N.O.
COM.
COM.
(RY-1)
(RY-2)
EARTH
BLU
BRN
LIVENEUTRAL
G-Y
N
L
NOISE SUPPRESSION COIL
NOISE FILTER
B1
B2
T: HIGH VOLTAGE TRANSFORMER
MG: MAGNETRON
C:
SW2: MONITOR SWITCH
SW1: 1ST. LATCH
SWITCH
SW3:
2ND. INTERLOCK
RELAY CONTROL
SWITCH
230V 50Hz
F1: FUSE
T6.3A
TF: TEMP.
FUSE
F2: H.V. FUSE 0.6A
N.O.