Mitsubishi Electric MA-E100R-E Service Manual page 33

(4) Removing and Replacing the Dust Sensor Circuit Board
1 Remove the case R, case L, and rear
case.
→ (See "(3) Removing the Case R,
Case L, and Rear Case".)
2 Remove the dust sensor circuit board
mounting screw at the lower part of the
right side of the main unit, and then
remove the connectors (CN1, CN2,
and CN3) of the dust sensor circuit
board.
→ (Removing and Replacing the Dust
Sensor Circuit Board)
(5) Removing and Replacing the Power Supply Control Circuit Board
1 Remove the case R, case L, and rear
case.
→ (See "(3) Removing the Case R,
Case L, and Rear Case".)
2 Remove the power supply control
circuit board case from the four tabs
on the right side of the main unit, and
then remove all connectors from the
power supply control circuit board.
→ (Removing and Replacing the Dust
Sensor Circuit Board)
3 Remove the power supply control
circuit board from the two tabs on the
power supply control circuit board
case.
→ (Removing and Replacing the
Power Supply Control Circuit Board)
Dust sensor circuit board
mounting screw
(Just one screw near the rear
of the main unit is used.)
2
Dust sensor circuit board
(This screw boss is not used.)
Connector (CN1, CN2, and CN3)
Tab (4 places)
2
Power supply control
circuit board case
33
2
Dust sensor circuit board
2
2
Power supply control circuit board
(Remove all connectors.)
2
3
Tab