3-8 (E)
MAV-555
3-4. Replacing the Main Parts
n
Before replacing, be sure to turn off the main power.
3-4-1. Power Supply
Part name : Switching regulator
Part No. :
1-468-405-1x
Removal
1.
Remove the top plate (A). (Refer to Section 3-2-2.)
2.
Loosen the eight screws (with drop-safe) and pull up
the switching regulator by holding the handle.
Installation
Attach a new power supply by reversing the disassembly
procedure of step 1 and 2 being careful of the direction of
the FRONT/REAR.
n
FRONT/REAR indication may be not displayed on a new
power supply. In this case, attach the new power supply so
that the direction of the power supply connector and that of
the connector from the MAV-555 are same.
Power supply
3-4-2. Fan
Part name : DC fan
Part No. :
1-763-354-1x
Removal
1.
Remove the rear panel. (Refer to Section 3-2-2.)
2.
Remove the five screws, and remove the cable clamp
and harness clamp.
3.
Remove the connectors of the harnesses.
Fan (a) : CN31 (CN-1816 board)
Fan (b) : CN32 (CN-1816 board)
Fan (c) : CN6 (CN-1817 board)
Fan (a)
PSW3
x
6
PSW3
x
6
Fan (c)
Fan (b)
Harness clamp
Cable clamp
CN6
CN32
CN31
3-4. Replacing the Main Parts