3-86 Sun Fire X4100/X4100 M2 and X4200/X4200 M2 Servers Service Manual • August 2009
3.12.19 Replacing the Power Distribution Board (PDB)
Note – This component is an FRU and should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
Supported components and their part numbers are subject to change over time. For
the most up-to-date list of replaceable components for these servers, refer to:
http://sunsolve.sun.com/handbook_pub/Systems
1. Click the name and model of your server.
2. On the product page that opens for the server, click Full Components List to
view a list of components.
Use the following procedure to replace the PDB.
1. Power off the server as described in
Section 3.4 on page 3-4.
2. If the server is in a rack, slide it far enough from the rack so that you can
remove the main cover and front cover. If you cannot safely view and access the
component, remove the server from the rack.
3. Remove the main cover as described in
Section 3.5 on page 3-6 or Section 3.8 on
page 3-10.
4. Remove the front bezel as described in
Section 3.6 on page 3-7 or Section 3.9 on
page 3-11.
Note – Always unfasten the bezel’s securing screw before removing the bezel.
5. Remove the front cover as described in
Section 3.7 on page 3-8 or Section 3.10 on
page 3-12.
6. Remove both power supplies:
a. Grasp the power supply handle and push the thumb latch toward the center
of the power supply. See
FIGURE 3-69 on page 85.
b. While continuing to push on the latch, use the handle to remove the power
supply from the chassis.
7. Unfasten the spring-loaded thumbscrew that secures the flex cable retainer and
remove this retainer from the chassis. See
FIGURE 3-46 on page 58.
8. Remove the upper cable retainer from the chassis. Push the retainer toward the
rear of the chassis to free it from the keyed openings in the chassis midwall. See
FIGURE 3-47 on page 59.
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