HP Pavilion Zt1100 Xz100 Service Manual

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-19 
  
 
 
Figure 2-15. Removing the Display (2) 
Reassembly Notes 
• While installing the hinge screws, support the display so that it remains approximately flat. 
• Make sure the cable fits into its slot in the bottom case, and reinsert the cable into the retaining clip 
near the left display hinge. 
• Make sure the tabs on the left side of the left speaker fit between the corresponding tabs in the 
bottom case, and the speaker wires...

2-20  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Removing Display Assembly Components 
(HP Authorized Service Providers Only) 
Note 
This procedure describes how to remove the display bezel, the inverter PCA, and (if present) the 
wireless antenna. Although these components can be replaced individually, in many cases it is 
preferable to replace the display assembly as a unit. 
Required Equipment 
• #0 Phillips screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if...

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-21 
  
 
 
Figure 2-16. Removing Display Assembly Components 
Reassembly Notes 
• Make sure the alignment hole in the inverter PCA fits over the corresponding post in the display 
case. 
• Make sure the alignment hole in the wireless antenna fits over the corresponding post in the display 
case. 
• Set the bezel in place on the display, then work your way around the bezel, firmly snapping the 
bezel latches shut. 
• The rounded screw...

2-22  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Removing the Fan and Heatsink 
(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 2-9). 
• Keyboard (page 2-11). 
3.  Remove the retaining screw from the right speaker. Disconnect the speaker wires from the 
motherboard, and lift the speaker out of the...

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-23 
  
 
 
Figure 2-17. Removing the Fan and Heatsink 
 
Caution 
Be careful not to touch the upper surface of the CPU module, or you could damage it. 
 
 
 
 
Screw, M2×4mm 
Screws, 
M2.5x6mm (2) 
Screws, heatsink 
(with springs) (4)  

2-24  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Reassembly Notes 
• Make sure the fan wires are not pinned under the fan, and is securely plugged into its socket. 
• If present, make sure the wireless cables are not trapped under or behind the fan, or beneath the 
cooling fins. 
• Insert the cooling fins into the opening in the bottom case, then set the heatsink onto its standoffs. 
• Tighten the heatsink screws in the order indicated by the numbers on the heatsink. 
• Make sure...

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-25 
Removing the CPU Module 
(HP Authorized Service Providers Only) 
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 2-9). 
•...

2-26  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
  
 
 
Figure 2-19. Removing the CPU Module 
Reassembly Notes 
• Carefully reinsert the module into its socket. Make sure the module is fully seated, and that none of 
its pins are bent or otherwise damaged. 
• Carefully insert the tip of the flat-blade screwdriver in the CPU module lock mechanism, and turn 
the screwdriver a few degrees clockwise until the mechanism clicks into its LOCK position. (The 
CPU socket moves slightly to...

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-27 
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: 
• Plug-in module (page 2-5). 
• Hard disk drive (page 2-6). 
• Keyboard cover (page 2-9). 
• Keyboard (page 2-11). 
• Display assembly (page 2-18). 
3.  Remove the retaining screws from the bottom of...

2-28  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
  
 
 
Figure 2-20. Removing the Top Case Retaining Screws 
5.  Disconnect the touch pad cable and the CD player PCA cable from the motherboard. 
6.  If present, remove the wireless cables from their slot in the top case. 
7.  Remove the retaining screws from the top case. 
8.  Remove the retaining screw from the right speaker, disconnect its wires from the motherboard, and 
lift the speaker out of the notebook. 
9.  Raise the back...