Mitsubishi Electric MFZ-KJ25VE Service Manual page 32

OPERATING PROCEDURE
3. Removing the electronic control P.C. board and
the display receiver P.C. board
(1) Remove the panel. (Refer to 1.)
(2) Remove the electrical box. (Refer to 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.
Photo 7
Photo 8
Catches on the display
receiver P.C. board holder
OBH666A
Catches on
the lead guide
Lamp cover
Display receiver
P.C. board
Photo 4
Photo 5
Fan motor
connector CN211
Photo 6
32
PHOTOS
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
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