Servicing The Paddle Card; Removing The Paddle Card - Sun Microsystems Sun Fire X4450 Service Manual

Installing the Power Supply Backplane
FIGURE 5-11
5.7

Servicing the Paddle Card

The paddle card assembly includes the top cover interlock switch.
Note – FRU: This field-replaceable unit should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
5.7.1

Removing the Paddle Card

1. Remove the motherboard assembly.
See
2. Remove the power distribution board.
See
3. Remove the fan power boards.
See
4. Remove the two No. 2 Phillips screws securing the paddle card to the chassis.
(
FIGURE 5-12
5. Slide the paddle card back, away from its connector on the drives backplane.
6. Lift the paddle card up and out of the chassis.
Section 4.8.1, "Removing the Motherboard Assembly" on page
Section 5.5.1, "Removing the Power Distribution Board" on page
Section 5.1.1, "Removing a Fan Power Board" on page
)
Chapter 5 Servicing Infrastructure Boards and Components
4-30.
5-12.
5-2.
5-17