HP Omnibook Xe3 Ge Service Manual

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-19
 
 Figure 2-12. Removing the Display
Reassembly Notes
 
• While installing the hinge screws, support the display so that it remains approximately flat.
 
• Before installing the switchboard PCA, make sure the large display cable lies within the notch in
the hinge saddle.
 
• When installing a new display assembly, follow the procedure given in “Installing a New Display
Assembly“ on the following page.
Screws,
M2.5x4 mm 
(2)
Screws (flanged)
M2.5x8 mm (4) 
						

							2-20 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Installing a New Display Assembly
When installing a new display, you must make sure to set the DIP switches on the video PCA to match
the particular display assembly.
  Caution
 
Setting the DIP switches improperly could damage the display assembly.
 1.
 Find the manufacturer of the display: this is shown on a label attached to the display assembly.
 2.
 Find the display’s manufacturer and model in the table below, and set the DIP switches on the
video PCA as shown.
  Table 2-8. Motherboard Video DIP Switch Settings
for Technology Code GE Models
Model1234
Hitachi 15.0-in TFT SXGA+ ON OFF OFF OFF
Hitachi 15.0-in TFT XGA OFF ON OFF OFF
UNIPAC 13.3-in TFT XGA OFF OFF ON OFF
CPT 14.1-in TFT XGA ON OFF ON OFF
IBM 14.1-in TFT XGA OFF ON ON OFF
LG 15.0-in TFT XGA ON ON ON OFF
UNIPAC 14.1-in TFT XGA OFF OFF OFF ON
LG 13.3-in TFT XGA ON OFF OFF ON
LG 14.1-in TFT XGA OFF ON OFF ON
IBM 15.0-in TFT SXGA+ ON ON OFF ON
CPT 15.0-in TFT SXGA+ OFF ON ON ON
  Table 2-9. Motherboard Video DIP Switch Settings
for Technology Code GD Models
Model1234
Samsung 14.1-in TFT XGA ON OFF OFF OFF
Hitachi 15.0-in TFT XGA OFF ON OFF OFF
UNIPAC 13.3-in TFT XGA OFF OFF ON OFF
CPT 14.1-in TFT XGA ON OFF ON OFF
IBM 14.1-in TFT XGA OFF ON ON OFF
LG 15.0-in TFT XGA ON ON ON OFF
UNIPAC 14.1-in TFT XGA OFF OFF OFF ON
LG 13.3-in TFT XGA ON OFF OFF ON
LG 14.1-in TFT XGA OFF ON OFF ON
HannStar 15.0-in TFT XGA ON OFF ON ON
CPT 15.0-in TFT SXGA+ OFF ON ON ON 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-21
As an example, the following figure shows the DIP switches set to OFF-ON-ON-ON:
 Figure 2-13. Video PCA DIP Switches
2 134
F O
F 
						

							2-22 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Removing the Top Case
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 3.
 Remove the eight retaining screws from the bottom case.
 
 Figure 2-14. Removing the Top Case Retaining Screws
 4.
 Disconnect the touch pad cable and speaker cable from the motherboard.
 5.
 Remove the six retaining screws from the top case.
 6.
 Raise the back of the top case, then gradually loosen the case, moving toward the front of the
notebook (the right rear corner may require extra care to work free).
 7.
 Carefully lift the top cover forward and off of the notebook. Be careful not to pull on the CD player
PCA ribbon cable beneath the case.
Screws,
M2.5x8 mm 
(4)
Screws,
M2.5x8 mm 
(4) 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-23
 8.
 Release the CD player PCA cable from the motherboard.
 
 Figure 2-15. Removing the Top Case
Reassembly Notes
 
• Make sure the touch pad cable and speaker cable connectors are fully inserted squarely in their
sockets.
 
• Make sure the tabs along the edges of the case snap shut.
Screws,
M2.5x4 mm 
(5)
Screw,
M2.5x8 mm 
(1)
Speaker
cablesTouch pad
cable
CD player
ribbon cable 
						

							2-24 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Removing the CD Player PCA (selected models)
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 3.
 Remove both standoff screws (use a 5 mm socket screwdriver), and lift the PCA out of the top case.
 
 Figure 2-16. Removing the CD Player PCA
CD player PCA standoff
screws, 5 mm (2) 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-25
Removing the Hinge Saddle Set
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 3.
 Remove the two retaining screws from the bottom case.
 
 Figure 2-17. Removing the Hinge Saddle Retaining Screws
Screws,
M2.5x8 mm 
(2) 
						

							2-26 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
 4.
 Remove the retaining screws from the back of the notebook, just below the display hinges.
 5.
 Remove both retaining screws from the hinge saddle set.
 6.
 Lift the hinge saddle set out of the notebook. You may need to free the hinge saddle from the clip
in the bottom case near the LAN/modem ports to remove it.
 
 Figure 2-18. Removing the Hinge Saddle
Reassembly Notes
 
• Make sure the posts on the underside of the hinge saddle line up with the hinge support openings in
the bottom case, and that the holes in the front ends of the saddle fit over the alignment posts in the
bottom case.
Screws,
M2.5x8 mm 
(2)
Screws,
M2.5x8 mm 
(2) 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-27
Removing the Video PCA
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 3.
 Note and record the settings of the PCA’s DIP switches. 
						

							2-28 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
 4.
 Remove all three retaining screws from the PCA, and carefully lift it off of the connectors
underneath it.
 
 Figure 2-19. Removing the Video PCA
Reassembly Notes
 
• Set the DIP switches on the new PCA to match the settings from the PCA you are replacing and
the notebook’s display type. See the settings tables on page 2-20.
 
• Make sure the protective pads on the PCA are intact, and replace if needed.
 
• Make sure the PCA is firmly set on its connectors.
Screws,
M2.5x4 mm 
(3)