Mitsubishi Electric MJ-E14EG-S1-IT Service Manual page 26

(5) Removing and replacing the control board
Remove the front and rear casings.
→ (See (2) Removing the fi lter cover and
rear casing assembly, and (3) Removing the
front casing)
Disconnect all of the connectors (P9, P11,
P12, P15, P20, P21, P40, and P50) from the
control board, and gently lift and slide the
control board out.
<Precautions for Assembly>
Gently push the casing rib, and at the same
time, insert the board into the groove.
Install the lead wires as shown in
(6) Removing and replacing the power supply board
Remove the front and rear casings.
→ (See (2) Removing the fi lter cover and rear
casing assembly, and (3) Removing the front casing)
Remove the board cover T set screw (1), and
pull out the power supply board assembly.
→ (Removing and replacing the power
supply board)
<Precautions for Assembly>
Do not forget the lead wires that are held
together.
Install the lead wires as shown in
Remove the board box, and disconnect all of
the connectors (P1, P2, P3, P7, P8, and P30).
Remove the power supply board set screw
(1), and remove the board.
→ (Removing and replacing the power
supply board)
<Precautions for Assembly>
Be sure to attach new waterproof tape
(fi lament tape, 19 mm) after peeling off the
old waterproof tape.
26
Control board
Disconnect all of the connectors
Board cover T
Board cover
T set screw (1)
* Bind the lead wires together
Power supply board Capacitor
Slide Slide
Press the casing rib with
your fi ngers and pull out
the board
Board cover U
Board box Waterproof tape
Power supply
board set
screw (1)