10  Servicing
308
SMGB0077 rev.0 - 01/2013
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  xed  by  six  (6)  holders.    Bend  the  holders 
B
  by  nger  and  raise  the  PCB1.
Remove the PCB1 from the holders 
A
 by drawing it towards arrow direction in the gure below.
Indoor Unit PCB
Electrical Box
Holder  B
Screw for
Earth Wire
PCB1
PCB1
Holder
Bend the holder by finger.
Holder  A
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.    If  not,  the  PCB1  may  be  damaged. 
In addition, securely attach the screw for earth wire.