HP Visualize J5000 hp Visualize J5000, J7000 workstations service handbook (a4 - Page 108

Battery on System Board

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Field Replaceable Units (FRUs) FRU Removal and Replacement Battery on System Board The battery in the J5000 and J7000 workstations is contained within the real-time clock module on the system board. This section describes how to remove and replace the real-time clock module containing the battery. Removing the Battery on the System Board To remove the battery from the system board, do the following: 1. Remove the top panel and the left side panel of the workstation. 2. If you are removing the battery from a J7000 workstation, you must also remove the front and rear air dividers and the two DC/DC converter units that are attached to the J7000's system board. To do this, follow the removal procedures in the section titled "DC/DC Converter Units and Air Dividers (J7000 Only)" on page 101. 3. Disconnect the power supply cable from the system board and move it aside for accessing the dual-in-line pin socket connector. 4. Carefully remove the real-time clock module. Note the polarity dot which is silk-screened on the component side of the circuit board. CAUTION Dispose of used batteries according to the manufacturer's instructions. Replacing the Battery on the System Board To replace the battery on system board, do the following: 1. Insert the real-time clock module with the correct polarity to ensure proper functionality. CAUTION There is a danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. 2. Reconnect the power supply cable to the system board. 3. If you are replacing the battery on the system board in a J7000 workstation, you must also replace the two DC/DC converter units that are attached to the J7000's system board, as well as the front and rear air dividers. To replace these components, follow the replacement procedures in the section titled "DC/DC Converter Units and Air Dividers (J7000 Only)" on page 101. 4. Replace the top panel and the left side panel of the workstation. 104 Chapter 4

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104
Chapter 4
Field Replaceable Units (FRUs)
FRU Removal and Replacement
Battery on System Board
The battery in the J5000 and J7000 workstations is contained within the real-time clock
module on the system board. This section describes how to remove and replace the
real-time clock module containing the battery.
Removing the Battery on the System Board
To remove the battery from the system board, do the following:
1.
Remove the top panel and the left side panel of the workstation.
2.
If you are removing the battery from a J7000 workstation, you must also remove the
front and rear air dividers and the two DC/DC converter units that are attached to the
J7000’s system board. To do this, follow the removal procedures in the section titled
“DC/DC Converter Units and Air Dividers (J7000 Only)” on page 101.
3.
Disconnect the power supply cable from the system board and move it aside for
accessing the dual-in-line pin socket connector.
4.
Carefully remove the real-time clock module. Note the polarity dot which is
silk-screened on the component side of the circuit board.
CAUTION
Dispose of used batteries according to the manufacturer’s instructions.
Replacing the Battery on the System Board
To replace the battery on system board, do the following:
1.
Insert the real-time clock module with the correct polarity to ensure proper
functionality.
CAUTION
There is a danger of explosion if the battery is incorrectly replaced. Replace
only with the same or equivalent type recommended by the manufacturer.
2.
Reconnect the power supply cable to the system board.
3.
If you are replacing the battery on the system board in a J7000 workstation, you must
also replace the two DC/DC converter units that are attached to the J7000’s system
board, as well as the front and rear air dividers. To replace these components, follow the
replacement procedures in the section titled “DC/DC Converter Units and Air Dividers
(J7000 Only)” on page 101.
4.
Replace the top panel and the left side panel of the workstation.