HP Omnibook Xe3 Service Manual

							HP OmniBook XE3 Removal and Replacement 2-3
 Table 2-1. Required Equipment
 · Small Phillips screwdriver, preferably magnetized.
 · Small flat-blade screwdriver.
 · 5mm hexagonal socket screwdriver.
 Table 2-2. Recommended Screw Torques
Screw Thread SizeTorque (cm-kgf)Torque (in-lbf)
M2.5 (2–11 mm long) 3.0 – 3.5 2.6 – 3.0
M2.5 (12–19 mm long) 2.5 – 3.0 2.2 – 2.6
M3 3.0 – 3.5 2.6 – 3.0
NOTES 
						

							2-4 Removal and Replacement HP OmniBook XE3
Removing the Battery
(User-Replaceable)
Required Equipment
 · None.
Removal Procedure
 · Slide the battery’s release latch, then lift the battery out of its compartment.
 Figure 2-2. Removing the Battery
Reassembly Notes
 · Insert the front (rounded) end of the battery into the battery compartment, and lower the back end
in until it clicks into place. 
						

							HP OmniBook XE3 Removal and Replacement 2-5
Removing an SDRAM Module
(User-Replaceable)
The notebook has no SDRAM on its motherboard, but has slots for two SDRAM modules. One slot
contains an SDRAM module installed at the factory.
See Table 4-2 on page 4-5 for a listing of replacement SDRAM modules and part numbers.
  Caution
 
Provide proper grounding and handle the SDRAM module only by its edges, or you could damage
the module through electrostatic discharge.
Required Equipment
 · Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. On the bottom of the notebook, loosen both screws holding the SDRAM cover (the cover retains
the screws), and remove the cover.
 Figure 2-3. Removing the SDRAM Cover 
						

							2-6 Removal and Replacement HP OmniBook XE3
 3. Press outward to release the latches at the sides of the SDRAM module, so the free edge of the
module pops up.
 Figure 2-4. Removing an SDRAM Module
 4. Pull the module out of the connector.
Reassembly Notes
 · Gently press the SDRAM module into the connector at an angle of about 30°, until it is fully
inserted. Then press down on both sides of the module until the latches snap closed. 
						

							HP OmniBook XE3 Removal and Replacement 2-7
Removing the Mini-PCI PCA
(User-Replaceable)
Certain notebook models include a mini-PCI PCA that contains either a modem or modem/LAN. See
Table 4-2 on page 4-5 for a listing of replacement PCAs and part numbers.
  Caution
 
Provide proper grounding and handle the PCA only by its edges, or you could damage it through
electrostatic discharge.
Required Equipment
 · Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Loosen the screw holding the mini-PCI cover (the cover retains the screw), and remove the cover.
 3. Press outward to release the latches at the sides of the PCA, so that its free edge pops up.
 4. Disconnect the cable (modem models only) or cables (modem/LAN models only) from the PCA.
 5. Gently pull the PCA out of its connector. 
						

							2-8 Removal and Replacement HP OmniBook XE3
 
 Figure 2-5. Removing the Mini-PCI Card
Reassembly Notes
 · Reattach the cable (modem models only) or cables (modem/LAN models only) to the PCA, and
tuck them into the compartment.
 · Gently press the mini-PCI card into the connector at an angle of about 30°, until it is fully inserted.
Then press down on both sides of the card until the latches snap closed. 
						

							HP OmniBook XE3 Removal and Replacement 2-9
Removing the Keyboard Cover (with Hinge Covers)
(User-Replaceable)
Required Equipment
 · Small Phillips screwdriver.
 · Small flat-blade screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Close the display, and remove both screws from the backs of the hinge covers.
 
 Figure 2-6. Removing the Keyboard Cover Retaining Screws
 3. Open the notebook’s display 180°, so that it lays flat.
 4. Use the flat-blade screwdriver to carefully pry up the inside edges of the hinge covers until the
cover pops loose, then lift the cover off.
Screws,
M2.5x4 mm 
(2) 
						

							2-10 Removal and Replacement HP OmniBook XE3
 
 Figure 2-7. Removing the Keyboard Cover
Reassembly Notes
 · Tuck the display cables into the notch just to the right of the left display hinge.
 · Hold the cover by the hinges and snap it into place. Note that the cover is held in place partly by
tabs at the left and center of its bottom edge, and at its upper left and right corners. Make sure these
tabs snap back into place when reinstalling the cover. 
						

							HP OmniBook XE3 Removal and Replacement 2-11
Removing the Keyboard
(User-Replaceable)
Required Equipment
 · Small Phillips screwdriver.
 · Small flat-head screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Remove the keyboard cover (page 2-9).
 3. Loosen the four retaining screws along the top of the keyboard (the keyboard retains the screws).
 Figure 2-8. Loosening the Keyboard Retaining Screws
 4. Raise the top of the keyboard, then lift the keyboard up and out of the notebook. Be careful not to
pull on the ribbon cable connecting the keyboard to the notebook.
  Caution
 
Be careful not to touch the heatsink until it has cooled. It could be hot if the notebook was running
recently.
 5. Lay the keyboard face down on the top case, forward of its normal position, and disconnect the
ribbon cable from the motherboard. 
						

							2-12 Removal and Replacement HP OmniBook XE3
 
 Figure 2-9. Disconnecting the Keyboard Cable
Reassembly Notes
 · Lay the keyboard face down on the top case forward of its normal position, then reconnect the
ribbon cable.
 · Slip the metal tabs on the bottom of the keyboard into their slots in the top case, then lower the
keyboard into place.
Keyboard
ribbon cable