HP Omnibook Xe3 Gf Service Manual

HP Omnibook XE3 (Technology Code GF)  Product Information  1-15 
  Table 1-6. XE3 Series Accessories 
Accessory Description 
Memory 
F1457C  64-MB SDRAM PC133 SODIMM expansion module 
F3495A  128-MB SDRAM PC133 SODIMM expansion module 
F3496A  256-MB SDRAM PC133 SODIMM expansion module 
Power Options 
F1455A  Auto/airline AC adapter (75-watt) 
F1781A  Ultra Slimline AC adapter (60-watt) 
F2024A/B  LiIon battery (9 cell) 
F2297A  Car adapter (Europe only) 
8120-6312 
8120-6313 
8120-6314 
8120-6316...

1-16  Product Information  HP Omnibook XE3 (Technology Code GF) 
Internal Design 
The motherboard PCA is the central component of the notebook’s design, and plays a role in virtually 
all system functions. The CPU module and most other subsystems connect to the motherboard. 
The following figure shows the connections among the notebook’s replaceable electronic modules. In 
addition, the table on page 1-16 lists the roles that the replaceable modules play in each of the 
notebook’s functional subsystems....

HP Omnibook XE3 (Technology Code GF)  Product Information  1-17 
  Table 1-7. Functional Structure 
Function  Components Used  Component Roles 
Bootup CPU module 
Motherboard 
Floppy disk module 
Hard disk drive Main processor. 
Primary system circuitry. 
First source of disk-based startup code. 
Second source of disk-based startup code. 
Processor CPU module 
Motherboard Main processor, numeric data processor, L1 and L2 cache. 
Primary system circuitry. 
Memory Motherboard 
SDRAM module Video RAM....

HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-1 
2 
Removal and Replacement 
This chapter tells you how to remove and replace the notebook’s removable components and 
assemblies. The items marked by 
• in the following table are user-replaceable. 
  Table 2-1. Removal Cross-Reference 
  
• Battery (page 2-4). 
Carrier, hard disk drive (page 2-13). 
Case, bottom (page 2-32). 
Case, top (page 2-19). 
Cover, keyboard (page 2-8). 
• Cover, mini-PCI (page 2-7). 
• Cover, SDRAM (page 2-7)....

2-2  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
Disassembly Flowchart 
The following diagram shows the general “path” you will use in disassembling the notebook to access 
any particular component. 
 
  Figure 2-1. Disassembly Flow 
Start 
Battery, AC adapter, 
SDRAM modules, mini-PCI card 
Keyboard cover 
Keyboard 
Hard disk drive assembly 
Display assembly 
Top case assembly 
Hinge saddle set 
 CD-ROM/DVD drive assembly 
 Floppy disk drive assembly 
 Headphone PCA 
Heatsink...

HP Omnibook XE3 (Technology Code GF)  Removal and Replacement  2-3 
  Table 2-2. Required Equipment 
• #0 Phillips screwdriver, preferably magnetized. 
• Small flat-blade screwdriver. 
• 5 mm hexagonal socket screwdriver. 
• Electrostatic device (wristband and pad). 
 
  Table 2-3. Recommended Screw Torques 
Screw Thread Size Torque (cm-kgf) Torque (in-lbf) 
M2.5 (2–11 mm)  3.0 – 3.5  2.6 – 3.0 
M2.5 (12–19 mm)  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 (Technology Code GF) 
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 (Technology Code GF)  Removal and Replacement  2-5 
Removing an SDRAM Module 
(User-Replaceable) 
The notebook has no SDRAM on its motherboard, but has two slots for SDRAM modules.  
  Table 2-4. SDRAM Module Replacement Part Numbers 
Description Part Number Exchange Part Number 
Module, SDRAM, 128 MB, PC133 SODIMM  1818-8504   
Module, SDRAM, 256 MB, PC133 SODIMM  1818-8635   
 
Caution 
Provide proper grounding and handle the SDRAM module only by its edges, or you could damage 
the...

2-6  Removal and Replacement  HP Omnibook XE3 (Technology Code GF) 
Removing the Mini-PCI PCA (selected models) 
(User-Replaceable) 
Certain notebook models include a mini-PCI PCA that contains either a modem or modem/LAN.  
  Table 2-5. Mini-PCI PCA Replacement Part Numbers 
Description Part Number Exchange Part Number 
PCA, mini-PCI (modem)  F3377-60950    
Caution 
Provide proper grounding and handle the PCA only by its edges, or you could damage it through 
electrostatic discharge. 
 
Required...