Hitachi 2730P manual Bluetooth module, a.SIM see “SIM” on page, c.Keyboard see “Keyboard” on page

		Removal and replacement procedures
Bluetooth module
	Description	Spare part number
	Bluetooth module	483113-001

✎The Bluetooth module spare part kit does not include a Bluetooth module cable. The Bluetooth module cable is included in the Cables Kit, spare part number 501500-001.

Before removing the Bluetooth module, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4.Remove the battery (see “Battery” on page 4-8).

5.Remove the following components:

a.SIM (see “SIM” on page 4-9)

b.Hard drive cover (see “Hard drive” on page 4-10)

c.Keyboard (see “Keyboard” on page 4-17)

d.Hinge cover (see “Hinge cover” on page 4-20)

e.Top cover (see “Top cover” on page 4-21)

f.Audio connector board (see “Audio connector board” on page 4-24)

Remove the Bluetooth module:

1.Disconnect the Bluetooth module cable 1 from the system board.

2.Remove the Bluetooth module cable from the clips 2 built into the base enclosure.

3.Remove the Phillips PM2.0×4.0 screw 3 that secures the Bluetooth module and bracket to the system board.

4.Remove the module 4 and bracket from the base enclosure.

Reverse this procedure to install the Bluetooth module.

Maintenance and Service Guide 4–25