MXZ-5C42NA3 Service Manual

OPERATING PROCEDURE PHOTOS/FIGURES
2. Removing the outdoor control P.C. board, the out-
door power P.C. board and the reactor
(1) Remove the service panel (Photo 1).
(2) Disconnect the power supply cord and indoor/outdoor
connecting wires.
(3) Remove the top panel, the cabinet, and the back panel
(Photo 1, 2, 3).
(4) Disconnect all the connectors and the lead wires on the
outdoor control P.C. board.
(5) Disengage all the catches of the outdoor control P.C.
board, and remove the outdoor control P.C. board.
(6) Remove all the screws of the electrical box assembly,
disengage all the catches of the electrical box assembly,
and remove the electrical box assembly.
(7)
Remove all the screws of outdoor control P.C. board
holder, and remove the outdoor control P.C. board holder.
(8) Remove all the screws of the reactor, and remove the
reactor.
(9) Remove all the screws of the reactor bed, and remove
the reactor bed.
(
10 ) Remove all the screws of the heat sink support, and
remove the heat sink support.
(
11 ) Remove all the screws xing the outdoor power P.C.
board.
(
12 ) Disconnect the connectors and the lead wires on the out-
door power P.C. board.
142
Photo 4
Screws of the electrical box assembly
Electrical
box assembly
Catches of the
outdoor control
P.C. board
Photo 5
Screws of the outdoor
control P.C. board holder
Photo 6
Photo 7
Screws of the reactor
Screws of the outdoor
power P.C. board
Heat sink support
Screw of the heat
sink support
Screws of
the reactor bed
Screw of
the reactor bed
OBH702M