Panasonic NN-J993 Service Manual page 15

NN-J993
8.2. Steam heater
1. Follow inverter PCB removing steps 1-16.
2. Release 2 lead wire from thermal cutout.
3. Relese steam heater terminal lead wire (2).
4. Release antenna motor lead wire connector
5. Remove steam thermistor (1 screw)
6. Remove bracket.
7. Remove steam heater.
8.3. DPC
1. Follow inverter PCB removing steps 1-16 first.
2. Remove all wiring connectors.
a. Remove 13 connectors.
b. Remove grounding lead wire (2 screws).
c. Release tabs to remove PCB.
NOTE: One lead wire connector from DPC is not connected
any place, but this is normal, after replacing, make sure not
touching or caught any portion.
8.4. Fan motor
1. Follow inverter PCB removing steps 1-16 first.
2. Remove Fan case.
3. Remove fan motor unit.
a. Remove 2 screws.
b. Release holding tabs.
8.5. Magnetron
1. Follow inverter PCB removing steps 1-16 first.
2. Remove magnetron (3 screws).
8.6. Magnetron Thermistor
1. Follow inverter PCB removing steps 1-16 first.
2. Remove mangetron thermistor.
a. Unsolder lead wire.
b. Remove screw
22