HP Rp3000 Service Reference Guide: HP rp3000 Point of Sale - Page 78

Power Supply

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To reinstall the cover sensor, reverse the removal procedure. NOTE: The cable plugs into the left two pins in the connector labeled PB/LED and it does not matter how you orientate the wire onto the connector. Power Supply WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 34). 2. Remove the computer cover (Computer Cover on page 38). 3. Position the computer with the rear facing toward you. 4. Remove the riser card cage PCI Riser Card Cage Assembly on page 48. 5. Rotate the drive cage up. 6. Disconnect the power cables from all of the drives and system board connectors. 7. Remove the three black T15 screws on the back of the power supply that secure it to the chassis. Figure 6-51 Removing the Rear Power Supply Screws 70 Chapter 6 Removal and Replacement Procedures

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To reinstall the cover sensor, reverse the removal procedure.
NOTE:
The cable plugs into the left two pins in the connector labeled PB/LED and it does not matter
how you orientate the wire onto the connector.
Power Supply
WARNING!
Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should
be disconnected from the computer and/or the AC outlet before opening the computer.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
34
).
2.
Remove the computer cover (
Computer Cover
on page
38
).
3.
Position the computer with the rear facing toward you.
4.
Remove the riser card cage
PCI Riser Card Cage Assembly
on page
48
.
5.
Rotate the drive cage up.
6.
Disconnect the power cables from all of the drives and system board connectors.
7.
Remove the three black T15 screws on the back of the power supply that secure it to the chassis.
Figure 6-51
Removing the Rear Power Supply Screws
70
Chapter 6
Removal and Replacement Procedures