Power Supply; Removal - Motorola MVME956AC User Manual

Removal and Replacement Procedures
Turn the system's power off before you perform these procedures. Failure to
!
turn the power off before opening the system can result in personal injury or
Warning equipment damage. Hazardous voltage, current, and energy levels are present
in this product. Power switch terminals can have hazardous voltages present
even when the power switch is off. Do not operate the system with the cover
removed. Always replace the cover before turning on the system.
5

Power Supply

!
Warning

Removal

5-2
Prior to performing any of the following installation or removal
procedures, follow these steps.
1. Attach an ESD strap to your wrist. Attach the other end of the ESD
strap to the chassis as a ground. The ESD strap must be secured to
your wrist and to ground throughout the procedure.
2. Perform an operating system shutdown. Turn the AC or DC power
off and remove the AC cord or DC power lines from the system.
The suggested procedure for the removal and replacement of the power
supply assembly is as follows:
Removal of the power supply provides access to high
voltages. Ensure the power cord is removed from the power
supply. Allow one minute for the capacitors in the power
supply to discharge.
1. Turn the power OFF to all equipment and disconnect the power
cable from the AC power source.
2. If the MVME956AC chassis is rack mounted, slide it from the rack,
or if it is a lab benchtop unit, remove the top panel and right side
panel.
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