Removing The Inverter Assembly And Inverter P.c. Board - Mitsubishi Electric MUZ-FS06NA Service Manual

OPERATING PROCEDURE
2. Removing the inverter assembly and inverter P.C.
board
(1) Remove the cabinet and panels. (Refer to section 1.)
(2) Disconnect the lead wire to the reactor and the following
connectors:
<Inverter P.C. board>
CN602 (R.V. coil)
CN931, CN932 (Fan motor)
CN671 (Defrost thermistor, discharge temperature thermistor
and outdoor heat exchanger temperature thermistor)
CN672 (Ambient temperature thermistor)
CN724 (LEV)
CN601 (Defrost heater and heater protector)
(MUZ-FS15/18NAH)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the heat sink support and the
separator.
(5) Remove the screws fixing the P.C. board support and the
motor support.
(6) Remove the fixing screws of the terminal block support and
the back panel.
(7) Remove the inverter assembly.
(8) Remove the screws of the ground wires.
(9) Remove the screw of the heat sink support, and the heat
sink support from the P.C. board support.
(10) Remove the screws of the terminal block support, and the
screws of the ground wires. (Photo 7)
(11) Remove the terminal block support.
OBH873
PHOTOS/FIGURES
Photo 5
Screw of the heat sink
support and the separator
Photo 6 (Inverter assembly)
P.C. board support
Screws of
Heat sink
the ground
support
wire
Heat sink
Screw of the heat
sink support
Inverter P.C. board
51
Screw of the P.C. board
support and the motor
support
Lead wires
of the
reactor
Screws of
the terminal block
support and
the back panel
Screw of the
ground wires
and the terminal
block support
Screw of the
ground wires
and the terminal
block support