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HP OmniBook 3000
Service Manual
Notice
In a continuing effort to improve the quality of our products, technical and environmental information in this document is subject to change without notice. This manual and any examples contained herein are provided "as is" and are subject to change without notice. Hewlett-Packard Company makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard Co. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein. Consumer transactions in Australia and the United Kingdom: The above disclaimers and limitations shall not apply to Consumer transactions in Australia and the United Kingdom and shall not affect the statutory rights of Consumers. © Copyright Hewlett-Packard Company 1997. All rights reserved. Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed under the copyright laws. The programs that control this product are copyrighted and all rights are reserved. Reproduction, adaptation, or translation of those programs without prior written permission of Hewlett-Packard Co. is also prohibited. Portions of the programs that control this product may also be copyrighted by Microsoft Corporation, SystemSoft Corp., Crystal Semiconductor Corporation, Phoenix Technologies, Ltd., and NeoMagic, Inc. See the individual programs for additional copyright notices. Microsoft, MS, MS-DOS, and Windows are registered trademarks of Microsoft Corporation. Pentium and the Intel Inside logo are U.S. registered trademarks and MMX is a U.S. trademark of Intel Corporation. All certifications may not be completed at product introduction. Check with your HP reseller for certification status. This equipment is subject to FCC rules. It will comply with the appropriate FCC rules before final delivery to the buyer. Hewlett-Packard Company Mobile Computing Division 19310 Pruneridge Ave. Cupertino, CA 95014, U.S.A.
Edition History
Edition 1........................ October 1997
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HP OmniBook 3000
Contents
1. Product Information...............................................................................................1-1
Features and Operation..................................................................................................................1-1 Turning the OmniBook On and Off.........................................................................................1-3 Checking the Status of the OmniBook.....................................................................................1-4 Using Functions Keys (F1 through F12) .................................................................................1-5 Resetting the OmniBook .........................................................................................................1-5 System Resources ...................................................................................................................1-6 Specifications.................................................................................................................................1-7 Internal Design ............................................................................................................................1-10
2. Removal and Replacement.....................................................................................2-1
Removing the Main Battery (User-Replaceable) ...........................................................................2-3 Removing a Plug-In Accessory Module (User-Replaceable) .........................................................2-4 Removing the Hard Disk Drive (User-Replaceable)......................................................................2-5 Removing a RAM Board (User-Replaceable) ...............................................................................2-7 Replacing Small Parts (User-Replaceable)....................................................................................2-8 Removing the Display Assembly (HP Authorized Service Providers Only) ..................................2-9 Removing the LCD Module (HP Authorized Service Providers Only) ........................................2-11 Removing the Display Case or LCD Bracket (HP Authorized Service Providers Only)..............2-14 Removing the Keyboard (HP Authorized Service Providers Only) .............................................2-16 Removing the Top Case and TouchPad (HP Authorized Service Providers Only).......................2-17 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only)...............2-21 Removing the System or Keyboard BIOS IC (HP Authorized Service Providers Only)..............2-25 Removing Other Components (HP Authorized Service Providers Only) .....................................2-27
3. Troubleshooting and Diagnostics...........................................................................3-1
Troubleshooting .............................................................................................................................3-2 Troubleshooting the Problem ..................................................................................................3-2 Verifying the Repair ...............................................................................................................3-9 Diagnostic Tools..........................................................................................................................3-10 OmniBook Diagnostic Program ............................................................................................3-10 Power-On Self-Test ..............................................................................................................3-15 Sycard PCCtest 450 CardBus Card (Optional) .....................................................................3-17 Desktop Management Interface (DMI) .................................................................................3-18 BIOS Setup Utility................................................................................................................3-20
4. Replaceable Parts ...................................................................................................4-1 5. Reference Information............................................................................................5-1
Password Removal Policy..............................................................................................................5-1 Hewlett-Packard TFT Display Quality Statement..........................................................................5-2
HP OmniBook 3000
iii
Figures
Figure 1-1. OmniBook - Front View ................................................................................................... 1-1 Figure 1-2. OmniBook - Side View..................................................................................................... 1-2 Figure 1-3. OmniBook - Back View.................................................................................................... 1-2 Figure 1-4. Replaceable Module Diagram......................................................................................... 1-10 Figure 2-1. Removing the Main Battery .............................................................................................. 2-3 Figure 2-2. Removing a Plug-In Module ............................................................................................. 2-4 Figure 2-3. Removing the Hard Drive ................................................................................................. 2-5 Figure 2-4. Installing a Hard Drive in the Carrier ............................................................................... 2-6 Figure 2-5. Removing the RAM Cover ............................................................................................... 2-7 Figure 2-6. Removing a RAM Board .................................................................................................. 2-8 Figure 2-7. Removing the Hinge Covers and Icon Window Cover...................................................... 2-9 Figure 2-8. Removing the Icon PCA and Display Assembly ............................................................. 2-10 Figure 2-9. Removing the Hinge Covers and Icon Window Cover.................................................... 2-11 Figure 2-10. Removing the Display Bezel......................................................................................... 2-12 Figure 2-11. Removing the LCD Module .......................................................................................... 2-13 Figure 2-12. Removing the Display Case and LCD Bracket ............................................................. 2-15 Figure 2-13. Removing the Hinge Covers and Icon Window Cover.................................................. 2-16 Figure 2-14. Removing the Keyboard ............................................................................................... 2-17 Figure 2-15. Removing the Heat Sink Assembly............................................................................... 2-18 Figure 2-16. Removing the Case Screws........................................................................................... 2-19 Figure 2-17. Removing the Top Case Assembly................................................................................ 2-20 Figure 2-18. Placing the Top Case Labels (Right Edge of Palmrest)................................................. 2-21 Figure 2-19. Removing and Installing the CPU Module.................................................................... 2-22 Figure 2-20. Removing the Motherboard .......................................................................................... 2-23 Figure 2-21. Installing a Bottom Case Label..................................................................................... 2-25 Figure 2-22. Removing a BIOS IC .................................................................................................... 2-26 Figure 3-1. Basic Troubleshooting Steps............................................................................................. 3-2 Figure 3-2. OmniBook Diagnostic Screens -- Basic and Advanced ................................................. 3-10 Figure 3-3. Serial and Parallel Loopback Connectors ....................................................................... 3-12 Figure 3-4. DMI Components............................................................................................................ 3-19 Figure 4-1. Exploded View ................................................................................................................. 4-2
Tables
Table 1-1. Summary of Features ......................................................................................................... 1-2 Table 1-2. Activating Power Modes.................................................................................................... 1-3 Table 1-3. Power Mode Descriptions .................................................................................................. 1-3 Table 1-4. Status Panel Indicators (Icon PCA).................................................................................... 1-4 Table 1-5. Indicator Lights.................................................................................................................. 1-4 Table 1-6. Function Keys (F1-F12)..................................................................................................... 1-5 Table 1-7. System Interrupts ............................................................................................................... 1-6 Table 1-8. System Memory ................................................................................................................. 1-6 Table 1-9. System Input/Output Addresses (100-3FF) ........................................................................ 1-7 Table 1-10. DMA Channels ................................................................................................................ 1-7 Table 1-11. HP OmniBook 3000 Specifications.................................................................................. 1-7 Table 1-12. HP OmniBook 3000 Accessories..................................................................................... 1-9 Table 1-13. Functional Structure....................................................................................................... 1-11 Table 2-1. Required Equipment........................................................................................................... 2-2
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HP OmniBook 3000
Table 2-2. Recommended Screw Torques ...........................................................................................2-2 Table 2-3. Hard Disk Drive Replacement Part Numbers.....................................................................2-5 Table 2-4. RAM Board Replacement Part Numbers ...........................................................................2-7 Table 2-5. Replacing Small Parts (User-Replaceable) ........................................................................2-8 Table 2-6. Other Replaceable Components (Authorized Providers) ..................................................2-27 Table 3-1. Troubleshooting Suggestions..............................................................................................3-3 Table 3-2. Scope of Diagnostic Tools..................................................................................................3-8 Table 3-3. OmniBook Diagnostic Error Codes..................................................................................3-12 Table 3-4. Power-On Self-Test Error Codes .....................................................................................3-15 Table 3-5. Power-On Self-Test Error Messages................................................................................3-16 Table 3-6. BIOS Setup Menus and Parameters .................................................................................3-20 Table 4-1. OmniBook Replaceable Parts.............................................................................................4-3 Table 4-2. Accessory Replaceable Parts..............................................................................................4-5 Table 4-3. Assembly-Component Breakdown .....................................................................................4-6 Table 4-4. Part Number Reference ......................................................................................................4-7 Table 5-1. OmniBook 3000 TFT XGA Display Quality Guidelines ...................................................5-3
HP OmniBook 3000
v
Introduction
This service manual provides reference information for the HP OmniBook 3000. It is intended to be used by HP-authorized service personnel in the installation, servicing, and repair of these products. The manual is designed as a self-paced guide. It is intended to train you to install, configure, and repair OmniBook computers. You can follow this manual without having equipment available. The following table lists additional places where you can get supplementary information about OmniBook products.
Sources of OmniBook Information
Source HP External Web Address or Number http://www.hp.com/go/omnibook (http://www2.hp.com/go/omnibook, European mirror) http://webmcd.cv.hp.com Keyword: HP GO HP (208) 344-1691 (US only) (800) 333-1917 (801) 344-4809 (800) 544-9976 (800) 457-1762 (801) 431-1587 [email protected] Comments No usage restriction.
HP MCD Internal Web America Online CompuServe* HP Bulletin Board Service** HP First (automated fax)
HP Support Assist CD-ROM HP MCD Service Engineer * **
Restricted to HP intranet access only. Call (800) 827-6364 for membership within the US. Call (800) 524-3388 for membership within the US. Refer to the latest Product Support Plan for non-US BBS numbers. US and Canada. Outside US and Canada. Reseller support number (enter outlet id number). US and Canada. Outside US and Canada. Email address for service related questions and issues.
Baud rates = 300-28.8; Parity = E; Data bits = 7; Stop bits = 1. Baud rates = 300-28.8; Parity = N, Data bits = 8; Stop bits = 1.
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HP OmniBook 3000
1
Product Information
The HP OmniBook 3000 represents a new category of HP notebook computers featuring the latest mobile technologies available. It uses high-speed Intel Pentium processors with MMX technology, a large 13.3-inch TFT display, and high-capacity hard drives. This chapter describes
· Features and operation (below). · Specifications (page 1-7). · Internal design (page 1-9).
Features and Operation
The following three illustrations point out the main external features of the computer. They are followed by highlights of the computer's operation. For an internal, exploded view, see page 4-2.
Power light Microphone Status panel
Power button TouchPad Display latch Stereo speakers
Floppy drive or other plug-in module Main battery
Figure 1-1. OmniBook - Front View
HP OmniBook 3000
Product Information
1-1
PC Card slots Eject buttons Audio line-in Microphone-in Headphone-out AC adapter Kensington lock Hard disk drive
Figure 1-2. OmniBook - Side View
Parallel External monitor Serial Docking Infrared PS/2
Universal Serial Bus (USB)
System-off button
Figure 1-3. OmniBook - Back View Table 1-1. Summary of Features
Processor Memory Display Video Intel Pentium, 233 or 200 MHz with MMX technology. 512-KB burst-synchronous L2 cache. 16 MB RAM on motherboard. Expandable to 144 MB. 13.3-inch TFT XGA display. Up to 64K colors. PCI local bus video. 128-bit graphics controller with 2 MB video RAM. Zoomed Video enabled. One Type III or two Type II 16-/32-bit PC Card slots. CardBus enabled. Windows 95 preinstalled. Windows NT 4.0 certified. Preinstalled DMI 1.1 software with HP TopTools. APM 1.2 On, Standby, Suspend, Hibernate, Off.
PC Card Operating System Desktop Management Interface Advanced Power Management Power States
1-2
Product Information
HP OmniBook 3000
Turning the OmniBook On and Off
· On. Press the blue power button to turn the computer on. · Standby. Occurs automatically if the computer is inactive for about 2 minutes. · Suspend. Press the blue power button briefly (about 1 second) to suspend activity when the OmniBook is on. The computer resumes your previous work session when you turn it back on.
Closing the lid (for more than 2 seconds) also suspends the computer. (If an external monitor is connected, closing the lid merely turns off the built-in display and turns on the external display.)
· Hibernate. Press Fn+F12. The computer completely shuts down, but your current work session is first saved to disk. The computer will reboot and restore your previous session when you turn it back on. · Off. Press the blue power button for more than 4 seconds to completely shut down the computer. Unsaved data is lost. The computer will reboot when you turn it back on.
Table 1-2. Activating Power Modes
Power Mode Standby (display off) Suspend (low power, "instant-on") To Enter Mode Allow time-out or press Fn+S. Press blue power button for about 1 second or close the lid (without external monitor) or click Start, Suspend or allow time-out. Press Fn+F12 or allow time-out. Press blue power button longer than 4 seconds or click Start, Shut Down. To Turn Back On Press any key or the pointing device to display your current session. Press blue power button for "instanton" to your current session.
Hibernate (off, session saved) Off (off, nothing saved)
Press blue power button to turn on, reboot, and restore session. Press blue power button to turn on and reboot.
Table 1-3. Power Mode Descriptions
Power Mode Standby Suspend Condition Reduced-power/stopped state. Everything is in a reduced-power state. Network devices are maintained. Your current work session continues at turn-on (any key-press). Low-power/stopped state. Lower power state than Standby. Everything is off or in a lowpower state. Network devices are off. Your previous work session resumes at turn-on. For plug-and-play operating systems, network connections resume at turn-on. No-power/stopped state. Session is saved on the hard disk. Everything is shut down. Computer reboots at turn-on and restores previous session and network connections (if plug-and-play). No-power/stopped state. Everything is shut down (battery continues charging if ac adapter is connected). Computer reboots at turn-on and restores network connections (if plug-andplay).
Hibernate
Off
HP OmniBook 3000
Product Information
1-3
Checking the Status of the OmniBook
The OmniBook status panel, located above the keyboard (on the icon PCA), contains indicators that show the current status of the OmniBook. The indicators in the status panel show keyboard status, drive status, and power status.
Table 1-4. Status Panel Indicators (Icon PCA)
Indicator Meaning AC power. The ac adapter is plugged in. Blinks when the battery is being charged. Battery status. Shows the approximate charge level of the battery relative to a full charge. Each bar represents a 10% charge. The upper and lower triangles indicate the presence of main (upper) and secondary (lower) batteries. A triangle blinks when that battery is in use. The main battery charges first, discharges last. If two batteries are installed and the ac adapter is connected, the indicator shows the level of the battery being charged. If the ac adapter is not connected, indicator shows the combined charge of both batteries. Press Fn+F6 to show separate battery levels. Battery low. The outline blinks when the battery charge is critically low. The OmniBook also beeps. Defective battery. No battery activity; no charging. Overheated battery. The battery is too hot to charge. CD-ROM drive or hard disk drive. The OmniBook is accessing one of these built-in drives. Floppy disk drive. The OmniBook is accessing the floppy disk drive. PC Card. There is activity between the PC Card and the computer. Suspend mode. These symbols flash from left to right when the OmniBook is suspended (turned off by pressing the power button briefly). If ac power is not connected, the green power light also blinks slowly. Caps Lock. Caps Lock is active. Num Lock. Num Lock is active (Fn+F9). Keypad Lock. The built-in embedded keypad is active (Fn+F8). Num Lock must also be on for the numeric keys. Scroll Lock. Scroll Lock is active (Fn+F10).
(scrolling)
The green power light (located on the icon PCA) indicates the power state. The green lights on the main battery or secondary battery indicate its charge level.
Table 1-5. Indicator Lights
Light Power Light Steady green light Blinking light No light Battery Lights Meaning Battery is charging. Battery is not charging (ac power connected), or computer is Suspended (no ac power). Battery is not charging (no ac power). Show battery charge level only while the button is pressed on the battery.
1-4
Product Information
HP OmniBook 3000
Using Functions Keys (F1 through F12)
The top row of the keyboard has twelve function keys that serve as hot keys--shortcut key sequences-- for various system controls.
Table 1-6. Function Keys (F1-F12)
Hot Keys Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6 (hold) Effect Decreases the display's brightness. Increases the display's brightness. Decreases the display's contrast (non-TFT displays only, if available). Increases the display's contrast (non-TFT displays only, if available). Switches among the built-in display, an external display, and simultaneous displays. For use with two batteries: The battery indicator in the status panel briefly displays the individual battery status for each battery, then resumes displaying the combined battery status. Toggles the sound on and off (mutes sound). Toggles the built-in keypad on and off. Does not affect an external keyboard. If Num Lock is on, then the numeric functions are active; otherwise, cursor control is active. Toggles Num Lock (numeric functions for the keypad) on and off. Toggles Scroll Lock on and off. Enters Hibernate mode. Enters Suspend mode. Enters Standby mode. Increases sound volume. Decreases sound volume.
Fn + F7 Fn + F8 Fn + F9 Fn + F10 Fn + F12 Fn + R Fn + S Fn + UP-ARROW Fn + DOWN-ARROW
Resetting the OmniBook
1. Push the System-Off button--insert a pen or straightened paperclip into the hole on the back panel. (The switch is on the motherboard.) or Press the blue power button for 4 seconds. (The switch is on the icon PCA.) 2. After the computer shuts down, press the blue power button to turn it on.
Note The OmniBook can boot from a CD under these conditions:
· If the boot order is defined in BIOS Setup with the CD-ROM drive before the hard drive, · If you have an internal CD-ROM drive installed, and · If you have a bootable CD in the drive, such as the OmniBook Recovery CD.
HP OmniBook 3000
Product Information
1-5
System Resources
Below are default values for system resources. To see other, non-default possibilities, use the BIOS Setup utility (see page 3-20), which lists port and audio device configurations in the System Devices menu. The tables in this section show typical resource usage as set up by the OmniBook BIOS. Plug-and-play operating systems, drivers, and BIOS Setup settings may change some of the entries.
Table 1-7. System Interrupts
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 System timer Keyboard Cascade IRQ 9 Free (or COM2 infrared port, if enabled) COM1 (serial port) Crystal sound Floppy drive LPT1 (ECP parallel port) Real-time clock Free (or MIDI, if enabled) Universal Serial Bus (USB) - assigned by Windows 95 driver CardBus controller - assigned by Windows 95 driver TouchPad Numeric data processor Internal hard disk (primary IDE controller) Internal CD-ROM drive (secondary IDE controller)
Table 1-8. System Memory
00000 - 9FFFF A0000 - BFFFF C0000 - CBFFF CC000 - DFFFF E0000 - FFFFF System memory Video Video BIOS Free (see below) System BIOS
Valid uses for memory addresses CC000-DFFFF:
· Upper memory blocks (UMBs). · PC card memory windows.
1-6
Product Information
HP OmniBook 3000
Table 1-9. System Input/Output Addresses (100-3FF)
170-177 1F0-1F7 200-207 220-22F 376 378-37F 388-38B 3B0-3BB 3C0-3DF 3E0-3E1 3F0-3F5 3F6 3F7 3F8-3FF Secondary HDD controller (internal CD-ROM) Internal hard disk Joystick Crystal sound Secondary HDD controller (internal CD-ROM) LPT1 (printer port) Sound VGA adapter VGA adapter PCMCIA controller Floppy controller Primary HDD controller Floppy controller COM1 (serial port)
Table 1-10. DMA Channels
0 1 2 3 4 5 6 7 Sound record Sound playback Floppy drive LPT1 (ECP parallel port) Cascade Free Free Free
Specifications
The following tables list specifications for the OmniBook and its accessories.
Table 1-11. HP OmniBook 3000 Specifications
Physical Attributes Processor and Bus Architecture Size: 30.30 × 23.73 × 5.24 cm (11.93 × 9.34 × 2.06 in) closed. Weight: 3.03 kg (6.7 lb). 233- or 200-MHz Intel Pentium processor with MMX technology. Intel sub-2V low-power processor. 512-KB burst-synchronous L2 cache. 32-bit PCI bus. 13.3-inch XGA active-matrix (TFT) display (1024 × 768 × 64K colors). PCI local bus video; 128-bit graphics controller with 2-MB video RAM. Zoomed Video enabled. Rechargeable Lithium Ion battery with built-in four-level fuel gauge. Battery recharges to full in less than 2.5 hrs using AC adapter while PC is on. Low-battery warning. Suspend/resume capability. Power states: On, Standby, Suspend, Hibernate, Off. Battery life: 2.5-3 hrs (varies with type of usage) for one battery. Optional secondary battery doubles operating time. AC adapter 100 to 240 Vac (50 to 60 Hz) input; 19 Vdc, 2.4 A output.
Graphics
Power
HP OmniBook 3000
Product Information
1-7
Mass Storage
RAM Audio System
Keyboard and Pointing Device
Input/Output
Expandability
Preinstalled Software
Windows NT Support Security Features
Environmental Limits
4.0-billion-byte or 2.1-billion-byte removable hard drive. 1.44-MB internal/external floppy drive (swap with optional 20X CD-ROM drive or optional second battery). Optional 20X CD-ROM drive (20X maximum, 14X average). 16-MB RAM on motherboard. Two slots for RAM expansion up to 144 MB. 16-bit, Sound Blaster Pro-compatible. MIDI support with optional port replicator. Stereo sound via two built-in speakers. Built-in microphone. Line-in, line-out, and microphone-in. 3D enhanced audio. 87/88-key touch-type QWERTY keyboard. Embedded numeric keypad. 12 function Fn keys. TouchPad. Universal Serial Bus (USB). 9-pin, 115,200-bps serial (16550 UART). 25-pin bidirectional ECP/EPP parallel. Video-out (up to 1024 × 768 × 64K colors) at up to 75-Hz refresh rate. PS/2 keyboard/mouse. 4-Mbps IrDA-compliant infrared. One Type III or two Type II 16-/32-bit PC Card slots. CardBus enabled. Plug-in module bay for floppy drive or optional accessory modules. Optional port replicator with two USB, serial, parallel, video-out (up to 1024 × 768 × 64K colors), keyboard, PS/2 mouse, audio, MIDI/joystick, and power-in ports. Microsoft Windows 95. Windows 95-compatible Plug and Play. Advanced Power Management (APM 1.2). DMI 1.1 under Windows 95 with HP TopTools. MacAfee VirusScan. Online documentation. OmniBook Recovery CD-ROM included. Centralized worldwide BIOS and driver update service. Windows NT 4.0 certified. APM 1.2 and PC Card Plug-and-Play support for Windows NT 4.0. Password protection. DMI-accessible electronic serial number. Kensington Microsaver lock slot. Operating temperature: 5 to 35 °C (41 to 95 °F). Operating humidity: 20 to 90 percent RH (5 to 35 °C). Storage temperature: 20 to 50 °C (4 to 122 °F). HP OmniBook 3000 CTX 5/200 Model 2100, XGA TFT display. HP OmniBook 3000 CTX 5/233 Model 4000, XGA TFT display.
OmniBook Models F1391A F1392A
1-8
Product Information
HP OmniBook 3000
Table 1-12. HP OmniBook 3000 Accessories
Port Replicator F1381A Video-out (up to 1024 × 768 × 64K colors) at up to 75-Hz refresh rate. Two Universal Serial Bus (USB) ports. PS/2 keyboard. PS/2 mouse. Parallal: 25-pin bidirectional printer port (EPP/ECP). Serial: 9-pin 115,200-bps RS-232. Audio: speaker-out, line-in, microphone-in. Power-in jack. MIDI/joystick port. Kensington lock slot. Low-power, internal installation (plug-in module). 20X-maximum-speed, 14X-average-speed. IDE/ATAPI interface. Compatibility: CD-ROM modes 1 and 2, Photo CD, CD Plus, CDXA, CD-1. Monitor stand. 16-MB RAM expansion module. 32-MB RAM expansion module. 64-MB RAM expansion module. 2.1-billion-byte hard disk drive. 4.0-billion-byte hard disk drive. 3.5" internal/external floppy disk drive and cable (plug-in module). Internal Zip drive (plug-in module). Standard Lithium-Ion battery pack. Secondary Lithium-Ion battery pack (plug-in module). AC adapter. Automobile adapter. Replacement floppy disk drive cable. Replacement power cord (U.S., Canada, Taiwan). Replacement power cord (Europe). Replacement power cord (Hong Kong, Singapore, U.K.). Replacement power cord (Australia). Replacement power cord (Japan). Replacement power cord (India, South Africa). Replacement power cord (People's Republic of China).
CD-ROM Drive F1387A
Other Accessories F1369A F1363A F1364A F1365A F1385A F1386A F1384A F1388A F1382A F1383A F1377A F1379A F1380A 8120-6313 8120-6314 8120-6315 8120-6312 8120-6316 8120-6317 8120-8373
HP OmniBook 3000
Product Information
1-9
Internal Design
The motherboard PCA is the central component of the OmniBook design. It plays a role in virtually all system functions. The CPU module (MMO) and all other subsystems connect to the motherboard. The following figure shows the connections among the replaceable electrical modules. As a substitute for a functional block diagram, see the table on page 1-10--it lists the roles the replaceable modules play in each of the functional subsystems.
IR PCA
LCD Module
Top Case Assembly (TouchPad, Speakers, Microphone)
Inverter PCA Icon PCA LVDS PCA PCMCIA Cards USB PCA The power switch and the lid switch are contained on the Icon PCA.
Kybd BIOS
System BIOS
CPU Module Motherboard PCA Audio PCA
Floppy Drive or Plug-In Module
All external connections (except USB and IR) are made to the motherboard.
Hard Disk Drive
Main Battery
Keyboard
RAM Boards
Heat Sink Assembly
Figure 1-4. Replaceable Module Diagram
1-10
Product Information
HP OmniBook 3000
Table 1-13. Functional Structure
Function Bootup Modules CPU module Motherboard System BIOS IC Keyboard BIOS IC Floppy disk drive Hard disk drive CPU module Motherboard Motherboard RAM boards Battery Motherboard AC adapter Motherboard LCD module LVDS PCA Inverter PCA Motherboard Hard disk drive Motherboard Floppy disk drive Motherboard Keyboard BIOS IC Keyboard Motherboard Top case assembly Motherboard Audio PCA Top case assembly Motherboard Motherboard Motherboard IR PCA Icon PCA Motherboard Motherboard USB PCA Motherboard Motherboard Roles Main processor (MMO). Primary system circuitry. Code for basic system functions. Code for keyboard functions. First source of disk-based startup code. Second source of disk-based startup code. Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry. First 16 MB of RAM, video RAM. Optional, additional RAM. Power storage. Power supply, ac adapter socket. AC-to-dc converter. Display/graphics controller, video RAM. Display output, backlight. Display drivers, signal processing. (Low-Voltage Differential Signaling) Power converter for backlight. Hard disk controller. Hard disk mechanism. Floppy disk controller. Floppy disk mechanism. Keyboard controller. Keyboard BIOS. Key switches. Keyboard and PS/2 controller. TouchPad PS/2 device. Speaker amplifier, external audio jacks. Audio controller, wave synthesizer, headphone amplifier. Microphone, speakers. I/O controller, serial connector. I/O controller, parallel connector. I/O controller. Infrared transmitter/receiver. Pass-through connection. Keyboard and PS/2 controller, PS/2 connector. I/O controller. USB power controller, USB connector. Docking logic, docking connector. PCMCIA controller, PCMCIA connectors.
Processor Memory Power
Display
Hard disk Floppy drive Keyboard
TouchPad Audio
Serial Parallel Infrared
PS/2 port USB Docking port PCMCIA
HP OmniBook 3000
Product Information
1-11
2
Removal and Replacement
This chapter tells you how to remove and replace the following components and assemblies. The ones marked by · are user-replaceable.
· AC adapter (table on page 2-27). Audio jack holder (table on page 2-27). Audio PCA (table on page 2-27). · Battery (page 2-1). · BIOS cover (page 2-8). Bottom case (page 2-21). CPU module (table on page 2-27). Display assembly (page 2-8). Display case (page 2-13). Display latch, spring (table on page 2-27). · Feet (page 2-8). · Hard disk drive (page 2-4). Hinge (table on page 2-27). · Hinge cover (page 2-8). Icon/MB cable (table on page 2-27). Icon PCA (table on page 2-27). · Icon window cover (page 2-8). Inverter PCA (table on page 2-27). Inverter/MB cable (table on page 2-27). · I/O door (page 2-8). IR/icon cable (table on page 2-27). IR lens (table on page 2-27). IR PCA (table on page 2-27). Keyboard (page 2-11). Keyboard BIOS IC (page 2-25). LCD bracket (page 2-13). LCD module (page 2-11). LCD/LVDS cable (table on page 2-27). Lock plate (table on page 2-27). LVDS PCA (table on page 2-27). Motherboard (page 2-20). · Plug-in accessory modules (page 2-3). · Port replicator (table on page 2-27). · RAM board (page 2-6). · RAM cover (page 2-8). System BIOS IC (page 2-25). Top case and TouchPad (page 2-17). USB PCA (table on page 2-27).
Caution
Always provide proper grounding when performing repairs. Without proper grounding, an electrostatic discharge may damage the OmniBook and its components.
Notes Reassembly steps are the reverse of the removal steps. Reassembly notes are included at the end of each section below. Symbols like this throughout this chapter show approximate full-size screw outlines. You can use them to verify the sizes of screws before you install them. Installing a wrong-size screw can damage the unit. (The symbol at the left represents an M2.5×5mm screw.)
HP OmniBook 3000
Removal and Replacement
2-1
Table 2-1. Required Equipment
· · · · ·
Small Phillips screwdriver, preferably magnetized. 5 mm hex driver. Pointed knife or probe. Three small flat-blade screwdrivers (or equivalent tools for prying). IC insertion/removal tool (F1371-60904).
Table 2-2. Recommended Screw Torques
Screw Thread Size M2.0 M2.5 M3.0 Torque (kgf·cm) 2.0 2.5 2.5 3.0 4.5 5.5 Torque (in·lbf) 1.7 2.2 2.2 2.6 3.9 4.8
2-2
Removal and Replacement
HP OmniBook 3000
Removing the Main Battery
(User-Replaceable)
The main battery is located under the right corner of the palmrest. To remove a secondary battery (an accessory plug-in module), see the next topic below.
WARNING
Do not mutilate, puncture, or dispose of batteries in fire. A battery can burst or explode, releasing hazardous chemicals. A rechargeable battery must be recycled or disposed of properly. Required Equipment
· None.
Removal Procedure
1. Slide the safety latch for the battery compartment into its recess. 2. Slide and hold the release latch, then slide out the battery.
Main Battery F1382-60901
Figure 2-1. Removing the Main Battery Reassembly Note
Caution
Be sure the safety latch is open before you insert the battery. Otherwise, the release latch could break if you force the battery in.
· After installing the battery, close the safety latch.
HP OmniBook 3000
Removal and Replacement
2-3
Removing a Plug-In Accessory Module
(User-Replaceable)
The OmniBook is shipped with a floppy drive module installed in the plug-in slot. Other plug-in accessories are available, including a CD-ROM drive and secondary battery.
Note Plug-in accessory modules have no repairable components. A defective module must be exchanged. Required Equipment
· None.
Removal Procedure
1. Slide the safety latch for the plug-in slot into its recess. 2. Slide and hold the release latch, then slide out the module.
Figure 2-2. Removing a Plug-In Module Reassembly Note
Caution
Be sure the safety latch is open before you insert the module. Otherwise, the release latch could break if you force the module in.
· After installing the module, close the safety latch.
2-4
Removal and Replacement
HP OmniBook 3000
Removing the Hard Disk Drive
(User-Replaceable)
Table 2-3. Hard Disk Drive Replacement Part Numbers
Description Hard Disk Drive, 2.1 GB (IBM only) Hard Disk Drive, 4.0 GB (IBM only) Part Number 0950-3193 0950-2671 Exchange Part Number F1385-69001 F1386-69001
Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the two screws from the bottom of the hard drive. 3. Pull out the hard drive.
Screw, M2.5×5mm F1391-60951 (2)
Figure 2-3. Removing the Hard Drive
Caution
Work the connector off the hard drive evenly, without pulling on the flex cable. Otherwise, you may bend connector pins on the hard drive or damage the flex cable.
4. If you are installing a new hard drive that does not have a plastic carrier, you can remove the carrier from the old hard drive:
· Remove the four screws from the sides of the carrier. · Swing out the free end of the hard drive about 90°, then gently pry off the connector from the hard drive.
HP OmniBook 3000
Removal and Replacement
2-5
HDD Carrier Kit F1391-60937 (includes M3.0×5mm screws, F1391-60950)
Figure 2-4. Installing a Hard Drive in the Carrier Reassembly Notes
· Depending on the manufacturer of the replacement drive, the hole placement for the four screws may vary. However, only the indicated IBM drives are qualified at this time.
Important If you are installing a new hard drive, you should create a Hibernate partition on the drive before loading any software--see the steps below. Creating a Hibernate Partition
1. If you do not have an OmniBook 3000 Support Utility floppy disk, create one now. After inserting a formatted floppy disk: in the floppy drive, do one of the following: On a factory software installation, click Start, Programs, OmniBook, Create Support Utility Disk. On any computer, run makesupp from the \Omnibook\Drivers\Hputils directory on the OmniBook 3000 Recovery CD. On any computer, download the Support Utility software package from the OmniBook website (see page vi). Follow the instructions provided. 2. Insert the Support Utility disk in the OmniBook floppy drive. 3. Reboot the computer. 4. When prompted, select "Create Hibernate Partition." We recommend that you create a 144-MB partition, the same as the factory setup.
2-6
Removal and Replacement
HP OmniBook 3000
Removing a RAM Board
(User-Replaceable)
Table 2-4. RAM Board Replacement Part Numbers
Description RAM board, 16-MB RAM board, 32-MB RAM board, 64-MB Part Number F1363-60001 F1364-60001 F1365-60001 Exchange Part Number F1363-69001 F1364-69001 F1365-69001
Caution
Handle the RAM module only by its edges and provide proper grounding. Otherwise, you may damage the board due to electrostatic discharge. Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the hard disk drive (see page 2-4). 3. Slide open the RAM cover about 3 mm, then lift off the cover.
RAM Cover F1391-60936
Figure 2-5. Removing the RAM Cover
4. Release the two metal latches at the sides of the RAM board, so the free edge of the board pops up. 5. Pull the board out of the connector.
HP OmniBook 3000
Removal and Replacement
2-7
Figure 2-6. Removing a RAM Board Reassembly Notes
· Insert the RAM board into the connector at about a 30° angle until it is fully inserted. Then press down at both sides until both latches snap closed. · Place the RAM cover about 3 mm from its closed position, then slide it closed.
Replacing Small Parts
(User-Replaceable)
The following small parts are user-replaceable.
Table 2-5. Replacing Small Parts (User-Replaceable)
Part
BIOS Cover Feet Hinge Cover
Part Number F1391-60929 F1391-60931
F1391-60935
Icon Window Cover
F1391-60928
I/O Door RAM Cover
F1391-60922 F1391-60936
Replacement Procedure On the bottom of the unit, insert a small flat-blade screwdriver into the slot at the edge of the BIOS cover and pry it off. Insert a small flat-blade screwdriver under the end of the foot and pry it loose. To replace, firmly press the adhesive side of the foot into the recess. With the display fully open, slide off the hinge cover about 5 mm, then lift it off. Use your finger or a small tool to push outward next to the hinge. To reinstall the cover, slide the open end of the cover onto the hinge, then lift the closed end over the bump and slide it in. 1. Remove the floppy drive or other plug-in module. 2. With the display fully open, slide off the hinge cover about 5 mm, then lift it off. Use your finger or a small tool to push outward next to the hinge. 3. Pry out and pop up the right end of the icon window cover at the plug-in module slot, then pop off the cover. Open the door and flex the center of the door until one of the side tabs releases. Remove the hard drive (see page 2-4). Slide the RAM cover about 3 mm toward the hard drive opening, then lift off the cover.
2-8
Removal and Replacement
HP OmniBook 3000
Removing the Display Assembly
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the floppy drive or other plug-in module (see page 2-3). 3. Open the display fully. 4. Slide off the two plastic hinge covers about 5 mm, then lift them off. Use your finger or a small tool to push outward next to the hinge. 5. Pry out and pop up the right end of the icon window cover at the plug-in module slot, then pop off the cover.
Icon Window Cover F1391-60928
Hinge Cover F1391-60935 (2)
Figure 2-7. Removing the Hinge Covers and Icon Window Cover
6. Remove the icon PCA by doing the following:
· Unplug the IR/icon cable near the right end of the icon PCA. · Remove the screw from the left end and lift up the PCA. · Unplug the cable from the motherboard.
7. For the LCD/LVDS cable emerging from the left hinge, remove the screw from the grounding lug and LVDS PCA, then unplug the cable from the LVDS PCA.
HP OmniBook 3000
Removal and Replacement
2-9
8. For the inverter/MB cable emerging from the right hinge, unplug the cable from the motherboard. 9. Remove the four screws from the hinges, and lift off the display assembly.
Screw, M2.5×8mm F1391-60957 (4) Icon PCA F1391-60911
Screw, M2.5×5mm F1391-60951 (2)
Figure 2-8. Removing the Icon PCA and Display Assembly Reassembly Notes
· After connecting the inverter/MB cable from the right hinge, carefully dress the wires into the cutout and support in the case.
Caution
Use a 5 mm screw to fasten the grounding lug through the LVDS PCA. If you use a longer screw, it will damage the motherboard. Do not overtighten the grounding screw for the LCD/LVDS cable from the left hinge. It fastens to a sheet-metal bracket and the threads could strip.
· Insert the right end of the icon PCA between the plastic tabs on the case. Check that the IR/icon cable is not pinched and emerges above the PCA. · Slide the open end of the hinge cover onto the hinge, then lift the closed end over the bump and slide it in.
2-10
Removal and Replacement
HP OmniBook 3000
Removing the LCD Module
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized. · Pointed knife or probe.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the floppy drive or other plug-in module (see page 2-3). 3. Open the display fully. 4. Slide off the two plastic hinge covers about 5 mm, then lift them off. Use your finger or a small tool to push outward next to the hinge. 5. Pry out and pop up the right end of the icon window cover at the plug-in module slot, then pop off the cover.
Icon Window Cover F1391-60928
Hinge Cover F1391-60935 (2)
Figure 2-9. Removing the Hinge Covers and Icon Window Cover
6. Pry off the two screw covers by the display hinges (use a pointed knife or probe), then remove the two screws.
HP OmniBook 3000
Removal and Replacement
2-11
7. Starting at the left side of the display, use your fingers to gently pull the display bezel toward the edge of the display case until the snaps release. As the snaps release, work your way up the left side, across the top, and down the right side--until only the bottom edge is attached.
Figure 2-10. Removing the Display Bezel
8. Now use your fingers to gently lift up the inner, lower edge of the bezel away from the LCD until the lower snaps release. 9. Remove the four screws from the corners of the LCD module. 10. Lift out the LCD module and move it to the left until you can unplug the two-wire cable at the inverter PCA. 11. Tip up the top of the LCD module and gently unplug the connector near the top of the LCD module. You have to remove a piece of Kapton tape to do this.
2-12
Removal and Replacement
HP OmniBook 3000
Screw, M3.0×5mm F1391-60950 (4)
LCD Module F1391-60907 LCD/LVDS Cable F1391-60961 EPE Foam F1391-60926
Figure 2-11. Removing the LCD Module Reassembly Notes
· Secure the LCD/LVDS cable to the LCD module with a piece of Kapton tape next to the LCD connector. · Before installing the LCD module, make sure the EPE foam is properly positioned inside the LCD bracket. The two flaps should be on top of the center bar of the bracket. · Position the cables properly in the hinges before installing the bezel. · Make sure the bezel snaps to the case along all edges. Pull to the side to help seat the snaps. · Make sure the screw covers stick securely in place.
HP OmniBook 3000
Removal and Replacement
2-13
Removing the Display Case or LCD Bracket
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized. · Pointed knife or probe. · Three small flat-blade screwdrivers (or equivalent tools for prying).
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies:
· Floppy drive or other plug-in module (see page 2-3). · Display assembly (see page 2-8). · LCD module (see page 2-11).
3. Remove the four screws holding the hinges and remove the hinges. 4. Remove the screw holding the LCD bracket to the display case near the hinge area. 5. If the EPE foam does not stick to the display case, remove the foam. If it does stick, you can leave it in place.
Important In the next steps, you must start at the left side of the display case. Otherwise, the LCD bracket will not be able to tip up out of the display case. Also, we suggest that you disengage all three tabs along the left edge at the same time. It is difficult to disengage them one at a time.
6. Using two or three small flat-blade screwdrivers or equivalent, separate the left side of the display case from the LCD bracket to disengage the three tabs. 7. Pry up the left side of the LCD bracket. There will be some friction due to the snug fit at the corners. You can use a small flat-blade screwdriver to pry at the corners between the metal screw tabs and the plastic posts underneath. (If the EPE foam sticks to the display case, fold back the foam as the bracket lifts out of the display case.) 8. After the bracket clears the case, slide the bracket toward the left until it is freed from the right side of the case. Lift out the bracket and LCD/LVDS cable. The EPE foam remains attached to the case. 9. To replace the display case, unsnap the inverter PCA from the case and remove it with the inverter/MB cable. You have to remove a piece of Kapton tape to do this.
2-14
Removal and Replacement
HP OmniBook 3000
LCD/LVDS Cable F1391-60961
Screw, M2.5×3mm F1391-60955 (2)
Screw, M2.5×5mm F1391-60951 (4)
LCD Bracket F1391-60962 Inverter/MB Cable F1391-60959 Inverter PCA F1391-60908
Hinge F1391-60925 (2)
Display Case F1391-60910
EPE Foam F1391-60926 Note: Flaps go on top of the LCD bracket.
Figure 2-12. Removing the Display Case and LCD Bracket Reassembly Notes
· Before you install the LCD bracket, secure the inverter/MB cable to the case near the hinge area with a piece of Kapton tape. · Make sure the EPE foam is not placed under the LCD bracket. The two flaps go on top of the bracket. · After you install the LCD bracket, secure the LCD/LVDS cable to the bracket near the hinge area with a piece of Kapton tape. · Position the two cables correctly before you install the hinge screws. Both cables should protrude from the case almost 6 cm (about 2 inches). · Install each hinge so the slit in the housing faces into the display case. · Before installing the LCD module, make sure the EPE foam is properly positioned inside the LCD bracket. The two flaps should be on top of the center bar of the bracket. · Secure the LCD/LVDS cable to the LCD module with a piece of Kapton tape next to the LCD connector. · Position the cables properly in the hinges before installing the bezel. · Make sure the bezel snaps to the case along all edges. Pull to the side to help seat the snaps. · Make sure the screw covers stick securely in place.
HP OmniBook 3000
Removal and Replacement
2-15
Removing the Keyboard
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the floppy drive or other plug-in module (see page 2-3). 3. Open the display fully. 4. Slide off the two plastic hinge covers about 5 mm, then lift them off. Use your finger or a small tool to push outward next to the hinge. 5. Pry out and pop up the right end of the icon window cover at the plug-in module slot, then pop off the cover.
Icon Window Cover F1391-60928
Hinge Cover F1391-60935 (2)
Figure 2-13. Removing the Hinge Covers and Icon Window Cover
6. Remove the two screws at the top ends of the keyboard. 7. Slide the keyboard toward the front of the computer until the top edge of the keyboard releases from the four plastic lugs at the top. 8. Being careful of the flex cable underneath, slide the keyboard toward the front of the computer, then lift the top edge and pivot the keyboard onto the palmrest. 9. Release the flex cable from the motherboard by lifting the locking tab.
2-16
Removal and Replacement
HP OmniBook 3000
Screw, M2.5×3mm F1391-60955 (2)
Keyboard flex cable (part of the keyboard)
Figure 2-14. Removing the Keyboard Reassembly Notes
· After connecting the keyboard flex cable, insert the front edge of the keyboard into the front slots, then slide it back. Make sure it is underneath the four plastic tabs along the back edge. · Slide the open end of the hinge cover onto the hinge, then lift the closed end over the bump and slide it in.
Removing the Top Case and TouchPad
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies:
· Floppy drive or other plug-in module (see page 2-3). · Hard drive (see page 2-4).
HP OmniBook 3000
Removal and Replacement
2-17
· Display assembly (see page 2-8). · Keyboard (see page 2-11).
3. Remove the heat sink assembly by doing the following:
· Remove the three recessed screws from the heat sink assembly. Note: Do not remove the two middle screws from the heat sink assembly. They hold a permanent part of the assembly. · Using your fingers or a small flat-blade screwdriver, press the heat sink assembly toward the back of the computer until the three tabs along the front edge are free from the case. · Disengage the front edge, then lift the right end of the assembly and unplug the fan cable from the motherboard.
Heat Sink Assembly F1391-60921 (includes fan/cable)
Screw, M2×5mm F1391-60954 (3) Note: Smaller diameter
Do not remove these two screws.
Fan cable connector
Speaker/TouchPad cable
CPU Thermal Kit (gasket and spacer) F1391-60917
Figure 2-15. Removing the Heat Sink Assembly
2-18
Removal and Replacement
HP OmniBook 3000
4. Unplug the speaker/TouchPad cable from the motherboard. (See the picture below.) 5. Turn the unit bottom side up and remove the five bottom case screws. Two of the five screws are hidden at the front corners inside the battery and hard drive slots. 6. Turn the unit face up and remove the six top case screws.
Screw, M2.5×12mm F1391-60956 (2) Screw, M2.5×5mm F1391-60951 (2) Screw, M2.5×8mm F1391-60957 (2)
Screw, M2.5×12mm F1391-60956 (3) Speaker/TouchPad cable connector
Screw, M2.5×3mm F1391-60955 (2)
Figure 2-16. Removing the Case Screws
7. Lift up along the back edge of the top case until that edge is free.
HP OmniBook 3000
Removal and Replacement
2-19
8. Place your thumbs on the front of the bottom case and your fingertips wrapped around the back of the palmrest. Lift the back of the top case about 4 cm, then gently but firmly pinch the case forward--until the four snaps release along the front edge.
Figure 2-17. Removing the Top Case Assembly Reassembly Notes
· Before you install the top case and heat sink assembly, do not install any screws in the CPU module. (You install them after you install the heat sink.) · Make sure the IR/icon cable and speaker cables are properly routed and restrained. · Place the top case over the front latch but tilted up at the back, then pull forward and down along the front edge until the snaps lock. Finally, seat the back edge over the hinge brackets. · Route the speaker/TouchPad cable so it does not overlap the CPU module or PCMCIA housing. (See Figure 2-15.) · Before installing the heat sink assembly, make sure a rubber spacer is stuck to the back-right corner of the CPU module. If the thermal gasket on top of the CPU is damaged, replace it. (Both parts are included in the CPU thermal kit, F1391-60917). (See Figure 2-15.) · When installing the heat sink assembly, remember to plug in the fan cable, and make sure it does not overlap the CPU module. Slide the back edge of the assembly into the top case, then press toward the back until the front tabs engage. Slide the assembly forward to align the screw holes. (See Figure 2-15.)
Caution
The three heat sink screws have M2 threads, slightly smaller than other screws. Make sure you use the correct screws. Otherwise, you could damage the threads.
· If you are installing a new top case assembly, you must attach new Windows and Intel labels at the right edge of the palmrest, as shown below.
2-20
Removal and Replacement
HP OmniBook 3000
(Keyboard)
Windows label 7121-7353
2-4 mm 77-79 mm
Intel label 5965-0279
(Palmrest, front-right corner)
5-7 mm
Figure 2-18. Placing the Top Case Labels (Right Edge of Palmrest)
Removing the Motherboard or Bottom Case
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver, preferably magnetized. · 5 mm hex driver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies:
· Floppy drive or other plug-in module (see page 2-3). · Hard drive (see page 2-4). · Display assembly (see page 2-8). · Keyboard (see page 2-11). · Heat sink assembly and top case (see page 2-17).
3. Remove the two screws from the front edge of the CPU module.
HP OmniBook 3000
Removal and Replacement
2-21
Caution
Remove and install the CPU module by holding it at the connector end (the right end). Otherwise, you could damage the connectors or damage pressure-sensitive components on the module.
4. Unplug the CPU module from the motherboard. It is held by two connectors under the right end of the module.
Pull up here to remove.
Push here to install.
Figure 2-19. Removing and Installing the CPU Module
Caution
Use care when removing or installing the USB PCA. Otherwise, you could damage the mating pins on the motherboard.
5. Remove the screw from the USB PCA, then unplug the PCA from the motherboard by lifting the front edge. 6. Remove the three screws (one inside the hard drive opening) and three hex standoffs from the motherboard. Each hex standoff has a grounding clip that slips over the top of the standoff. 7. Lift the hard drive housing only until the PCMCIA pushbuttons clear the bottom case. Then gently work the motherboard forward until the I/O bracket slips free. The audio jack holder is released when you remove the motherboard.
2-22
Removal and Replacement
HP OmniBook 3000
Screw, M2×5mm F1391-60954 (2) Note: Smaller diameter CPU Thermal Kit (gasket and spacer) F1391-60917
LVDS PCA F1391-60904 Screw, M2.5×5mm F1391-60951 (5)
Audio Jack Holder F1391-60920
USB PCA F1391-60902
Lock Plate F1391-60934
Standoff F1391-60958 (3)
Figure 2-20. Removing the Motherboard
HP OmniBook 3000
Removal and Replacement
2-23
Reassembly Notes Note: Installing a New Motherboard
· Transfer these PCAs from the old motherboard to the new one:
LVDS PCA (secure it with one 5 mm screw on the right side). Caution: Do not use a longer screw--it will damage the motherboard. Audio PCA (on the underside). RAM board, if present (on the underside).
· Store the serial number electronically in the new motherboard--see the steps below.
Note: Installing a New Bottom Case
· Transfer these parts from the old bottom case to the new one:
Lock plate (see Figure 2-20). Plastic parts (I/O door, RAM cover).
· Install a new regulatory label on the bottom case--see the steps below.
· Check that the audio PCA has two rubber bumpers attached to the board directly behind the two connectors. · Check that the audio PCA is securely attached to the underside of the motherboard before installing the motherboard. The audio PCA can work loose if you flex the motherboard excessively. · Place the audio jack holder onto the audio jacks before you lower the motherboard into the case. · Raise the front edge of the motherboard only high enough for the PCMCIA pushbuttons to clear the bottom case. Work the I/O bracket into the back of the bottom case, then lower the front edge into the case. · Do not install screws into the motherboard next to the ac adapter socket or next to the plug-in module socket. (See Figure 2-20.)
Caution
When installing the CPU module onto the motherboard, press on the white target (Figure 2-19). Otherwise, you could damage pressure-sensitive components.
· The two screws at the front-underside of the bottom case are the shortest screws--only 3 mm long.
Caution
Insert the back end of the USB PCA into the case first, then carefully align the connector before pressing it onto the motherboard. Take care not to damage the connector pins.
· Before you install the top case and heat sink assembly, make sure you have installed only two screws in the CPU module--the two at the front corners. (You install the remaining screw after you install the heat sink.)
2-24
Removal and Replacement
HP OmniBook 3000
Storing the Serial Number Electronically
1. Exit Windows and boot to a DOS prompt. 2. Run ESN.EXE from one of these sources: On a factory software installation, change to the \OMNIBOOK directory and type esn at the prompt. Otherwise, copy \Omnibook\Drivers\Hputils\Esn.exe from the OmniBook 3000 Recovery CD, then run it on the OmniBook. 3. When prompted, type the serial number shown on the bottom of the case. (If a serial number has already been stored, you must call an HP support center to change it.)
Installing a New Bottom-Case Label
1. Attach a regulatory label in the recess in the bottom case. The bottom of the label goes toward the front of the case. 2. Looking at the serial number on the unit's original bottom case, create a replacement serial number label. A separate Service Note gives details about equipment, software, and label material. 3. Attach the serial number label to the bottom area of the regulatory label.
Regulatory Label F1391-60971
Front of computer
Printed serial number label
Figure 2-21. Installing a Bottom Case Label
Removing the System BIOS IC or Keyboard BIOS IC
(HP Authorized Service Providers Only)
Note A replacement IC contains enough basic programming to boot the OmniBook. However, after replacing an IC, you must reprogram the ICs. Hewlett-Packard prefers that you program the ICs with the latest BIOS. You can download it from the OmniBook website (see page vi). Required Equipment
· Small flat-blade screwdriver. · IC insertion/removal tool (F1371-60904).
HP OmniBook 3000
Removal and Replacement
2-25
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. On the bottom of the unit, insert a flat-blade screwdriver into the slot at the edge of the BIOS cover and pry it off. 3. Use an IC insertion/removal tool to remove the system BIOS IC or keyboard BIOS IC from its socket.
BIOS Insertion/Removal Tool F1371-60904
System BIOS IC F1391-60919 (near case foot)
Keyboard BIOS IC F1391-60918 (near module latch) BIOS Cover F1391-60929
Figure 2-22. Removing a BIOS IC Reassembly Notes
· Align the IC with the slot in the socket. The IC is keyed to fit correctly. · Press down firmly on the IC with your thumb to ensure a proper connection. · Reprogram the ICs by programming the BIOS--see the note above.
2-26
Removal and Replacement
HP OmniBook 3000
Removing Other Components
(HP Authorized Service Providers Only)
The following table lists additional replaceable components and the removal procedures required to access them.
Table 2-6. Other Replaceable Components (Authorized Providers)
Component AC Adapter Audio Jack Holder Phillips screwdriver, 5 mm hex driver Plug-in module (page 2-3). Hard drive (page 2-4). Display (page 2-8). Keyboard (page 2-11). Top case (page 2-17). Motherboard (page 2-20). Plug-in module (page 2-3). Hard drive (page 2-4). Display (page 2-8). Keyboard (page 2-11). Top case (page 2-17). Motherboard (page 2-20). Plug-in module (page 2-3). Hard drive (page 2-4). Display (page 2-8). Keyboard (page 2-11). Top case (page 2-17). Equipment Removal Procedures Special Notes No repairable components. Replacement is required. Remove the motherboard only far enough to slip the holder off the audio jacks.
Audio PCA
Phillips screwdriver, 5 mm hex driver
Unplug audio PCA from underside of motherboard. Check that two rubber bumpers are present on the new audio PCA directly behind the two connectors. Remove two screws from CPU module. Unplug CPU module from motherboard. Caution: Install both parts of a CPU thermal kit (F139160917) to the new module. Stick the gasket to the top of the CPU. Stick the rubber spacer to the top back-right corner of the board. To remove, lift the left corner. To install, put the spring on the latch shaft, then insert the shaft through the opening at the bottom of the right-hand slot. Caution: If the display is attached to the bottom case, install one new hinge before you remove the other to avoid stressing the cables. Install