HP Visualize J5000 - Workstation Handbook page 107

9. Grasp the handle on the system board tray assembly and firmly slide the tray assembly
to the right, toward the front of the workstation. The sheet metal hooks on the
workstation's center wall will disengage from the holes on the system board tray
assembly.
10.Support the left side of the system board tray assembly and carefully pull the tray
outward.
Do not remove the system board from the tray.
NOTE
Replacing the System Board Tray Assembly
To replace the system board tray assembly, do the following:
1. Remove the top panel and the left side panel of the workstation.
2. Fold back all fan cables and the ribbon cable for the power switch/LCD assembly to
avoid interference and damage while inserting the system board tray assembly into the
workstation.
3. Hold the system board tray assembly vertical to the workstation floor and align the
holes in the tray assembly to the right of the sheet metal hooks on the workstation's
center wall.
4. Carefully slide the system board tray assembly to the left to engage the center wall
hooks. Inspect to ensure that all hooks are engaged in the holes of the system board tray
assembly.
5. Connect the three fan cables and the ribbon cable for the power switch/LCD assembly to
the system board. The J7000 workstation's fan cables should also be pulled through the
system board's tray handle for clearance.
6. Connect the flex cable to the system board and I/O board connectors.
7. Attach the flex cable retainer to the flex cable.
8. Secure the bus bars to the system board with the bus bar thumbscrews, and install the
bus bar shield.
9. Insert and tighten the three T-15 Torx screws that secure the system board tray
assembly to the rear panel of the workstation.
10.If you are replacing 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.
11.Replace the memory DIMMs in the system board by follow the replacement procedures
in the section titled "Memory DIMMs" on page 99.
12.Replace the top panel and the left side panel of the workstation.
Chapter 4
Field Replaceable Units (FRUs)
FRU Removal and Replacement
103