Lenovo Lenovo 3000 J Series, Hardware Maintenance Manual

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Replacing the front panel card
This procedure describes how to remove and replace the front panel card.
1. Remove cover. See “Removing the cover” on page 85.
2. Remove the drive bay assembly. See “Accessing system board components
and drives” on page 90.
3. Disconnect the front panel assembly cables from the system board. See the
system board illustration for your machine type at “Locating parts on the
system board” on page 87.
4. Remove the screw that secures the front panel card assembly to the chassis.
5.
Note the front panel assembly cable routing and remove the assembly from
the chassis.
6. Route the cable for the new front panel card assembly through the hole in the
chassis and to the system board.
7. Install the front panel card assembly into the chassis and secure it with the
screw.
8. Connect the front panel assembly cables to the system board.
9. Align the drive bay assembly with the two slots and rails on the sides of the
chassis and slide the drive bay assembly towards the rear of the chassis until
it snaps into position.
10.
Reinstall the front bezel.
11. Go to “Completing the FRU replacement” on page 120.
Replacing the system fan assembly
This procedure describes how to remove and replace the system fan assembly.
1. Remove cover. See “Removing the cover” on page 85.
2. Remove the drive bay assembly. See “Accessing system board components
and drives” on page 90.
3. Remove the hard disk drive. See “Replacing the hard disk drive” on page 112.
4. Disconnect the system fan cable from the system board. See “Locating parts
on the system board” on page 87.
5.
Remove the two screws securing the system fan assembly.
Chapter 8. Replacing FRUs - Desktop computers
117