Removing Printed Circuit Board (Pcb1) - Hitachi RCI-1.0FSN3 Service Manual

10 Servicing

10.1.5 Removing Printed Circuit Board (PCB1)

1 Remove the air inlet grille according to the item "Removing Air Filter and Air Inlet Grille".
2 Remove the electrical box according to the item "Removing Electrical Box Cover".
3 Disconnect all wiring connectors from PCB1.
4 Remove the screw for earth wire.
5 The PCB1 is fixed by six (6) holders.
Remove the PCB1 from the holders A by drawing it towards arrow direction in the figure below.
Electrical Box
N O T E
• Do not touch electrical parts on PCB1.
• Pay attention not to apply an excessive force to PCB1. It may cause failure of PCB1.
• When reassembling, attach connectors to the correct position.
In addition, securely attach the screw for earth wire.
308
SMGB0077 rev.0 - 01/2013
Bend the holders
Screw for
Earth Wire
by finger and raise the PCB1.
B
Holder A
PCB1
Indoor Unit PCB
Holder B
Bend the holder by finger.
PCB1
Holder
If not, the PCB1 may be damaged.