HP Omnibook Xe3 Gf Service Manual

							HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-17 
  
 
  Figure 2-11. 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)  
						

							2-18  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
Installing a New Display Assembly 
When installing a new display, you must make sure to set the DIP switches on the motherboard 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 
motherboard as shown. 
  Table 2-8. Motherboard Video DIP Switch Settings 
Model 1 2 3 4 
Hitachi 15-in TFT SXGA+  ON  OFF  OFF  OFF 
Hitachi 15-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 
LG 15-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-in TFT SXGA+   OFF  ON  ON  ON 
IBM 14.1-in TFT XGA  OFF  ON  ON  OFF 
 
As an example, the following figure shows the DIP switches set to OFF-ON-ON-ON: 
 
  Figure 2-12. Motherboard DIP Switches 
2  1 3 4 
F  O 
F  
						

							HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-19 
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 2-8). 
• Keyboard (page 2-10). 
• Display assembly (page 2-16). 
3.  Remove the eight retaining screws from the bottom case. 
  
 
  Figure 2-13. 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)  
						

							2-20  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
8.  Release the CD player PCA cable from the motherboard. 
  
 
  Figure 2-14. 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 
cables Touch pad 
cable 
CD player 
ribbon cable  
						

							HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-21 
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 2-8). 
• Keyboard (page 2-10). 
• Display assembly (page 2-16). 
• Top case (page 2-19). 
3.  Remove both standoff screws (use a 5-mm socket screwdriver), and lift the PCA out of the top case. 
  
 
  Figure 2-15. Removing the CD Player PCA 
CD player PCA standoff 
screws, 5 mm (2)  
						

							2-22  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
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 2-8). 
• Keyboard (page 2-10). 
• Display assembly (page 2-16). 
• Top case (page 2-19). 
3.  Remove the two retaining screws from the bottom case. 
  
 
  Figure 2-16. Removing the Hinge Saddle Retaining Screws  
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. 
Screws, 
M2.5x8 mm (2)  
						

							HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-23 
  
 
  Figure 2-17. 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)  
						

							2-24  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
Removing the Heatsink Assembly (with Fan) 
(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 2-8). 
• Keyboard (page 2-10). 
• Display assembly (page 2-16). 
• Top case (page 2-19). 
• Hinge saddle set (page 2-22). 
3.  Disconnect the fan cable from the motherboard. 
4.  Remove all four retaining screws (their springs are attached to them). 
5.  Lift the heatsink out of the notebook.  
						

							HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-25 
  
 
  Figure 2-18. Removing the Heatsink Assembly 
Reassembly Notes 
• Make sure the fan cable is not pinned under the assembly. 
• Make sure the thermal pad on the heatsink is not damaged, and replace if necessary. 
Heatsink retaining 
screws (with springs) 
(4)  
						

							2-26  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
Removing the CPU Module 
(HP Authorized Service Providers Only) 
  Table 2-9. CPU Module Replacement Part Numbers 
Description Part Number Exchange Part Number 
Module, CPU (Pentium III-M, 866 MHz Tualatin)  F3950-60901  F3950-69101 
Module, CPU (Pentium III, 933 MHz Tualatin)  F3257-60904  F3257-69004 
Module, CPU (Pentium III-M, 1.06 GHz Tualatin)  F3941-60901  F3941-69101 
Module, CPU (Pentium III, 1.13 GHz Tualatin)  F3257-60906  F3257-69006 
Module, CPU (Celeron-T, 800 MHz Tualatin)  F3943-60901  F3943-69101 
Module, CPU (Celeron-T, 866 MHz Tualatin)  F3944-60901  F3944-69101 
Module, CPU (Celeron-T, 933 MHz Tualatin)  F3946-60901  F3946-69101 
 
Required Equipment 
• #0 Phillips screwdriver. 
• Small flat-blade screwdriver. 
Removal Procedure 
 
Caution 
Be careful not to touch the upper surface of the CPU module. Handle it only by its edges, or you 
could damage it. 
 
1.  Unplug the AC adapter, if present, and remove the battery.  
2.  Remove these additional assemblies: 
• Keyboard cover (page 2-8). 
• Keyboard (page 2-10). 
• Display assembly (page 2-16). 
• Top case (page 2-19). 
• Hinge saddle set (page 2-22). 
• Heatsink assembly (page 2-24). 
3. Pentium SKUs: Carefully insert the tip of a flat-blade screwdriver in the CPU module lock 
mechanism, and turn the screwdriver a few degrees counterclockwise until the mechanism clicks 
into its OPEN position. (The CPU socket moves slightly to the left when this happens.) 
Grasp the CPU module by its edges, and carefully lift it straight up and off of its socket.