Sanyo EM-D993 Service Manual page 8

COMPONENT
Measure the resistance: Between the Pin 1 and
Pin 3 of connector S103 after disconnecting
THERMISTOR
it from the control circuit board with an
ohm-meter on the highest scale.
CONVECTION
Measure the resistance: After removing the lead
HEATER
wires from the convection heater with an
(BACK HEATER)
ohm-meter on R x 1 scale.
Measure the resistance: After removing the lead
GRILL HEATER
wires from the grill heater with an
(UPPER HEATER)
ohm-meter on R x 1 scale.
Measure the resistance: After removing the lead
BLOWER
wires from the blower motor with an
MOTOR
ohm-meter on R x 100 scale.
Measure the resistance: After removing the lead wires
CONVECTION
from the convection fan motor with an ohm-meter on
FAN MOTOR
R x 100 scale.
Measure the resistance: After removing the lead
TURNTABLE
wires from the turntable motor with an ohm-meter
MOTOR
on highest scale.
CHECKOUT PROCEDURE
-7-
RESULT
Normal Reading:
Approximately 300K ohms
Normal Reading:
Approximately 46K ohms
Normal Reading:
Approximately 80K ohms
Normal Reading:
Approximately 389K ohms
Normal Reading:
Approximately 120K ohms
Normal Reading:
Approximately 22K ohms