HP Omnibook Xe3 Gf Service Manual
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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 8120-6317 8120-8367 8120-8373 8120-8452 8120-8699 8121-0702 Replacement power cord, 250 Vac, 2.5 A (Australia/New Zealand) Replacement power cord, 125 Vac, 3 A (U.S./Canada/Taiwan/Mexico/Philippines) Replacement power cord, 250 Vac, 2.5 A (Europe/Egypt/Israel/Saudi Arabia) Replacement power cord, 125 Vac, 3 A (Japan) Replacement power cord, 250 Vac, 2.5 A (South Africa) Replacement power cord, 250 Vac, 2.5 A (Argentina) Replacement power cord, 250 Vac, 2.5 A (People’s Republic of China) Replacement power cord, 250 Vac, 2.5 A (Chile) Replacement power cord, 250 Vac, 2.5 A (UK [EPSR] Hong Kong/Singapore) Replacement power cord, 250 Vac, 2.5 A (India) Adapters F1469A PS/2 “Y” adapter PC Cards F1625A 56-Kbps global modem v.90 PC Card (for support only) F1626A 10/100 LAN CardBus Ethernet PC Card F1627A 56-Kbps US-only modem PC Card (for support only) P1980A USB W ireless LAN 802.11b PC Card P1981A USB W ireless LAN access point PC Card F1985A USB-NIC Ethernet adapter F2135B/C W ireless Comm access point PC Card F2136B W ireless Comm PC Card (128-bit) F2196A 3Com Bluetooth PC Card Docks F2025B Simple port replicator Security Accessories F1645A Kensington MicroSaver Notebook Security System F1747A Port Defcon 1 Notebook Security System Other P1534A HP amplified external speakers P1977A USB Compact Flash & IBM Microdrive reader P1978A USB web camera F2100A USB optical mouse
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. Figure 1-8. Replaceable Module Diagram Motherboard PCA Mini-PCI PCA CD-ROM or DVD Drive SDRAM Modules Battery Keyboard PCMCIA Sockets (2) PCMCIA Cards Floppy Disk Drive Heatsink Assembly Top Case (speakers, touch pad, click buttons) CPU Module Switchboard PCA Display Assembly Hard Disk Drive CD Player PCA
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. Changeable RAM (2 slots). Power Battery Motherboard Switchboard PCA AC adapter Power storage. Power control circuitry, AC adapter socket, lid switch, system-off switch, power supply. Power switch, standby button. AC-to-DC converter. Display Motherboard Display assembly Video controller, display drivers, LVDS processing, display/graphics controller, video RAM. Display output, backlight, power converter for backlight. Hard disk Motherboard Hard disk drive Hard disk controller. Hard disk mechanism. Floppy drive Motherboard Floppy disk module I/O controller, floppy connector. Floppy disk mechanism. Keyboard Motherboard Keyboard Keyboard controller, keyboard BIOS. Key switches. Touch pad Motherboard Top case Keyboard BIOS. Touch pad sensor, click buttons, controller (PS/2 output). Audio Motherboard Switchboard PCA Headphone PCA Top case Audio controller, audio decoder, speaker amplifier, external microphone jack. Microphone. Earphone amplifier. Speakers. Status Motherboard Switchboard PCA CD player PCA LED circuitry, keyboard controller. Status LEDs. CD/DVD status display. Parallel Motherboard I/O controller, parallel connector. PS/2 port Motherboard Keyboard controller, PS/2 connector. USB Motherboard Bus controller, USB connectors. Docking port Motherboard Docking logic, docking connector. PCMCIA Motherboard PCMCIA sockets PCMCIA controller. PCMCIA connectors.
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). • Covers, screw (page 2-7). Display assembly (page 2-16). Doors, docking (page 2-36). Doors, PCMCIA (page 2-37). Drive, CD/DVD (page 2-31). Drive, floppy disk (page 2-29). Drive, hard disk (page 2-12). Heatsink assembly (with fan) (page 2-24). Keyboard (page 2-10). Module, CPU (page 2-26). • Module, SDRAM (page 2-5). PCA, CD player (page 2-21). PCA, headphone (page 2-39). • PCA, mini-PCI (page 2-6). PCA, motherboard (page 2-32). PCA, switchboard (page 2-39). Plate, CPU support (page 2-40). Saddle, hinge set (page 2-22). Socket, PCMCIA (page 2-40). Caution Always provide proper grounding when performing repairs. W ithout proper grounding, an electrostatic discharge can damage the notebook and its components. Notes To reassemble a component, perform the removal procedure in reverse order. Any special notes required for reassembly are included at the end of each section. Symbols like this throughout this chapter show approximate full-size screw outlines. You can use these to verify the sizes of screws before you install them. Installing a wrong-size screw can damage the notebook. (The symbol at the left represents an M2.5×5 mm T-head screw.)
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 assembly (with fan) CPU module Motherboard or bottom case CD player PCA If removing only heatsink assembly or CPU module Only if not removing motherboard or bottom case Switchboard PCA (also remove if removing motherboard or bottom case assembly) CPU support plate Docking doors PCMCIA doors
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 module through electrostatic discharge.
Required Equipment
• #0 Phillips screwdriver.
Removal Procedure
1. Unplug the AC adapter, if present, and remove the battery.
2. On the bottom of the notebook, loosen the screws holding the appropriate SDRAM cover (the
cover retains the screws), and remove the cover.
Figure 2-3. Removing the SDRAM Covers
3. Press outward to release the latches at the sides of the SDRAM module, so the free edge of the
module pops up.
4. Pull the module out of the connector.
Reassembly Notes
• Gently press the SDRAM module into the connector at an angle of about 30°, until it is fully
inserted. Then press down on both sides of the module until the latches snap closed.
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 Equipment • #0 Phillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. Loosen the screw holding the mini-PCI cover (the cover retains the screw), and remove the cover. 3. Press outward to release the latches at the sides of the PCA, so that its free edge pops up. 4. Disconnect the cable (modem models only) or cables (modem/LAN models only) from the PCA. 5. Gently pull the PCA out of its connector. Figure 2-4. Removing the Mini-PCI PCA Reassembly Notes • Reattach the cable (modem models only) or cables (modem/LAN models only) to the PCA, and tuck them into the compartment. • Gently press the PCA into the connector at an angle of about 30°, until it is fully inserted. Then press down on both sides of the PCA until the latches snap closed. • Make sure the sticky pads are intact and in place on the underside of the PCA.