Panasonic NN-6207 Service Manual page 29

NN-6207, NN-6307, NN-6407
NN-6507, NN-6567, NN-6607, NN-6757
NN-6707, NN-6807
Lower than 105 volts
REMEDY
Inform customer of required power
in
Decrease in power source voltage voltage
Check the power source voltage
with magnetron oscillating.
Normal
Check the timing periods of the 18V
DC being applied to the power relay
B coil (Refer to page 12 for the tim-
ing periods of the power relay B)
Abnormal Defective digital programmer circuit Replace
Replace depending on the result of
RESULT REMEDY
RESULT REMEDY
Check continuity of latch switch B
Open contacts of latch switch B Replace
Continuity
Shorted contacts of power
Replace
Check continuity of power relay A
contacts (Disconnect
CN1 connector and check between
pin no. 3 and 5) Normal Defective DPC Replace