Mitsubishi Electric XD221U Service Manual page 15

7 Remove the two fan motor.
Fan motor(exhaust)
Fan motor(power)
8
Unscrew  screw (a) and
(c)
 screw(b).
(c)
Then take out the lamp
power unit.
Unscrew  screw (c).
(b)
Then take out the AUDIO
PCB ASSY.
(a)
Lamp power unit
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