Fujitsu Airstage J-II Service Manual page 198

4. MAIN PCB removal
Spacers
Terminal
Remove the communication cable connected to the terminal.
Remove the earth screw.
Remove the connectors and spacers.
5. COMMUNICATION PCB removal
COMMUNICATION PCB
Caution
Be careful about position of Fan motor connector
when you exchange Main PCB or Fan motor by the repair.
Earth screw
Connector
Remove the connector.
06-02
For Upper Fan motor
(CN102)
For Lower Fan motor
(CN150)
Remove the COMMUNICATION PCB.