Removing Indoor Pcb - Hitachi RPI-0.8FSG1 Service Manual

SERVICING
(2.6 Wall Type)

2.6.6 Removing Indoor PCB

(1) Remove the front panel according to the item 2.6.2 "Removing Front Panel".
(2) Remove one (1) screw for the electrical box cover.
(3) Remove the connectors (CN17, CN22 and CN11) from the low voltage PCB.
(4) Detach two (2) catches of the PCB base 1 fixing the low voltage PCB, lift the low voltage PCB and
remove other connectors still connected.
(5) Remove the earth wire from the heat exchanger, detach one (1) catch of the PCB base 2 fixing the
high voltage PCB, lift the high voltage PCB and remove other connectors still connected.
Earth Wire
PCB Base
1, 2
(6) After the completion of replacement of PCB, connect the connectors to the PCB in the reverse
procedures of removing. And firstly set the high voltage PCB to the electrical box and then set the
low voltage PCB to the electrical box.
2-86
TURN OFF all power source switches.
PCB Base 2
Catch
High Voltage
PCB
Terminal Board
Electrical Box
Pull and lift up
to release.
Tool
Electrical Box Cover
Catch
Low Voltage
PCB
CN17
Catch
PCB Base 1
CN11
Electrical Box
Details of PCB
Phillips Screwdriver
Screw
PCB Base Z
PCBI (P)
Module (black)
Silicon Seat (pink)
(only after minor
chage model)