Replacing The Main Parts; Power Supply; Fan - Sony MAV-555 Maintenance Manual

3-4. Replacing the Main Parts

3-4. Replacing the Main Parts
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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.
Power supply
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.
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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.
3-8 (E)

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)
CN31
Fan (a)
Cable clamp
PSW3 x 6
Fan (b)
Harness clamp
PSW3 x 6
CN32
CN6
Fan (c)
MAV-555