Mitsubishi Electric MFZ-KT25VG-E1 Service Manual page 38

OPERATING PROCEDURE
3. Removing the electronic control P.C. board and
the display receiver P.C. board
(1) Remove the panel. (Refer to section 1.)
(2) Remove the electrical box. (Refer to section 2.)
(3) Remove the earth wire connected to the electronic
control P.C. board.
(4) Disconnect all the connectors on the electronic con-
trol P.C. board.
(5) Pull out the electronic control P.C. board from the
electrical box.
(6) Disengage the catches on the lead guide.
(7) Disengage the display receiver P.C. board holder
from the catch on the electrical box.
(8) Open the display receiver P.C. board holder and pull
out the display receiver P.C. board.
Attaching the connectors
Run the lead wires with the connectors as they were
before the disassembly.
4. Removing the nozzle assembly
(1) Remove the panel. (Refer to section 1.)
(2) Rotate the display receiver P.C. board holder to the
right side and disconnect the vane motor relay con-
nector.
(3) Remove the fixed screws on the both sides of the
nozzle.
(4) Disengage the catches on the nozzle from the box.
(5) Hold the both sides of the nozzle. Rotate the nozzle
toward you around the right and left ribs to remove it.
Photo 7
Photo 8
Catches on the display
receiver P.C. board holder
OBH843A
Catches on
the lead guide
Lamp cover
Display receiver
P.C. board
38
PHOTOS/FIGURES
Photo 4
Photo 5
Fan motor
connector (CN211)
Photo 6
Earth wire connect to
the heat exchanger
Earth wire
connect to the
indoor electronic
control P.C. board
Indoor coil
thermistor
connector (CN112)
Display receiver
P.C. board
connector (CN1J1)
Vane motor
Connector (CN151)
R32 sensor
(CNSA)
Screw of the
electrical box
Vane motor relay
connector
Catch on the dis-
play receiver P.C.
board holder and
the electrical box
Display receiver
P.C. board