HP Omnibook Xt6050 Service Manual

HP Omnibook XT6050, XT/VT6200 Product Information 1-15
  Table 1-9. Functional Structure Description
BootupCPU module
Motherboard
Hard disk drive
Floppy disk moduleMain processor (MMO).
Primary system circuitry, system BIOS.
First source of disk-based startup code.
Second source of disk-based startup code.
ProcessorCPU module
MotherboardMain processor, numeric data processor, L1 and L2 cache.
Primary system circuitry.
MemoryMotherboard
SDRAM moduleVideo RAM, no onboard RAM.
Changeable RAM (2 slots)....

HP Omnibook XT6050, XT/VT6200 Removal and Replacement 2-1
2 
Removal and Replacement
This chapter tells you how to remove and replace the Omnibook’s components and assemblies. The
items marked by 
• in the following table are user-replaceable.
  Table 2-1. Removal Cross-Reference
 
 
• Battery, main (page 2-4).
Battery, CMOS (page 2-31).
 
• Bumpers, display (page 2-12)
 
• Cap, pointing stick (page 2-12).
 
• Card, mini-PCI #1 (page 2-10).
Card, mini-PCI #2 (page 2-31).
Case, bottom (page 2-23).
Case,...

2-2 Removal and Replacement HP Omnibook XT6050, XT/VT6200
  Table 2-2. Required Equipment
 
• Small Phillips screwdriver, preferably magnetized.
 
• Small flat-blade screwdriver.
 
• IC (PLCC) removal tool (similar to OK Industries EX-5).
  Table 2-3. Recommended Screw Torques
Screw Thread SizeTorque (cm-kgf)Torque (in-lbf)
M2 1.3 – 1.8 1.1 – 1.5
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 

HP Omnibook XT6050, XT/VT6200 Removal and Replacement 2-3
Disassembly Flowchart
The following diagram shows the general “path” you will use in disassembling the computer to access
any particular component.
  Figure 2-1. Disassembly Flow
If removing only
display assembly
or hinge covers
Display assemblyCenter hinge cover
Rear antenna PCA (wireless
models only)
Top casePCMCIA socket
Display interface PCA
Volume PCA
Mini-PCI panel
Sound/IR panel
Docking doors
PCMCIA doors
Speaker assembly
Front antenna PCA...

2-4 Removal and Replacement HP Omnibook XT6050, XT/VT6200
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 on the bottom of the
computer, and lower the back end in until it clicks into place. 

HP Omnibook XT6050, XT/VT6200 Removal and Replacement 2-5
Removing a Plug-In Module
(User-Replaceable)
Required Equipment
 
• None.
Removal Procedure
 1.
 Press the button on the module release latch, and slide the latch toward the front of the computer.
 
  Figure 2-3. Releasing a Module
 2.
 Grasp the module and pull it out.
 
  Figure 2-4. Removing a Module 

2-6 Removal and Replacement HP Omnibook XT6050, XT/VT6200
Removing an SDRAM Module
(User-Replaceable)
The notebook has no SDRAM built into its motherboard, but has two slots for SDRAM modules. One
slot contains an SDRAM module installed at the factory.
  Note
 
Omnibook XT6050 models use only PC133 SDRAM modules, and Omnibook XT/VT6200 models
use only DDR266 SDRAM modules. Using the wrong type of module prevents the notebook from
booting.
 
Caution
 
Handle the SDRAM module only by its edges and provide...

HP Omnibook XT6050, XT/VT6200 Removal and Replacement 2-7
Removing the Hard Disk Drive
(User-Replaceable)
Required Equipment
 
• Small Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery and any secondary battery module.
 2.
 On the bottom of the unit, remove the hard drive retaining screws.
 3.
 Raise the cover on the end of the drive so that its retainer tab is free of the notebook case, then
carefully pull the hard drive out of the computer....

2-8 Removal and Replacement HP Omnibook XT6050, XT/VT6200
 
  Figure 2-7. Removing the Hard Disk Tray
Reassembly Notes
 
• Carefully put the pin connector back onto the pins on the end of the new hard drive. Work at each
end alternately so that the connector slides on evenly without bending the pins.
 
• Slide the cover down into place so the retainer tab engages the notebook case.
  Important
 
If you are installing a new hard disk drive, load the factory software and operating system on the
drive as...