HP omnibook 4000 Service Manual

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This guide is for experienced HP
Response Center personnel, CEs, and
reseller technicians, such as personnel
who have already completed the HP
Vectra PC family training course, or
equivalent, and have at least six months of
experience servicing the HP Vectra PCs.
It is a self-paced guide designed to train
you to install, configure, and repair the
OmniBook Notebook PC.  You can follow
it without having any equipment available.
HP OmniBook 4000C/CT
Familiarization Guide

Summary of Contents of service manual for HP omnibook 4000

  • Page 1

    HP OmniBook 4000C/CT Familiarization Guide This guide is for experienced HP Response Center personnel, CEs, and reseller technicians, such as...

  • Page 2

    Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great...

  • Page 3

    Notice In a continuing effort to improve the quality of our products, technical and environmental information in this document is...

  • Page 4

    Table of Contents Table of Figures ................................................................................................. 5 OmniBook Product Comparisons ....................................................................... 6 Size Closed................................................................................................... 6 Weight .......................................................................................................... 6 OmniBook...

  • Page 5: Table of Figures

    Configuration and Setup................................................................................... 36 Main Configuration Screen.......................................................................... 36 Power Screen.............................................................................................. 37 Power Configuration.................................................................................... 38 Power Conservation Mode .......................................................................... 38 Power...

  • Page 6: Weight

    Table of Figures Figure 1 - Memory Doors, Modules, and Slots .............................................................. 19 Figure 2 - Floppy Drive and...

  • Page 7

    OmniBook Product Comparisons HP OmniBook 5000 HP OmniBook 4000 HP OmniBook 600 Size Closed 29.5 x 22.6 x 4.9 cm...

  • Page 8

    Power 14.4Vdc Rechargeable 14.4 Vdc rechargeable 9.6 Vdc rechargeable Lithium-Ion or NiMH NiMH battery pack NiMH or Lithium Ion battery...

  • Page 9

    Audio 16-bit with Sound 16-bit, Sound Blaster- Microsoft® Windows® Blaster® and MIDI compatible sound in CT. support Stereo sound via...

  • Page 10: Models

    Expandability One Type III PCMCIA One Type III PCMCIA One Type III PCMCIA slot (or use as two slot (or...

  • Page 11: Bus Architecture

    OmniBook 4000 Series: Product Features Description Advanced performance with flexibility, exceptional user comfort, all-day use and easy access to peripherals....

  • Page 12: Built-in I/O

    Accessories Description Part Number 4-MB RAM expansion card F1076A 8-MB RAM expansion card F1077A 16-MB RAM expansion card F1078A 260-MB...

  • Page 13: TFT Display Quality

    Memory Main Memory DX2/50 MHz, Model 260 (F1081A) 4MB RAM DX4/100 MHz, Model 810 (F1160A) 16MB RAM All other models...

  • Page 14: Power

    Display/video The OB4000 DSTN may report the display RAM to be 1024KBs, however, it is 512KB. Later versions have corrected...

  • Page 15: Audio Systems

    b. On OmniBook 4000CT models, if more than 30 total pixels anywhere on the display are bad, then the...

  • Page 16: Software and Operating System

    Battery life can be doubled by installing second battery in place of the 3.5 " flexible drive. The OmniBook...

  • Page 17: Password Decode

    Audio Systems I/O: Headphone/stereo-out port; microphone port; Stereo-in port IRQ default setting for soundblaster is 5. Sound Manufacturer: ESS Operating...

  • Page 18: Password Decode Policy

    Supported MS DOS version 6.22* Operating Systems Microsoft Windows for Workgroups 3.11* Microsoft Windows 95* Microsoft NT workstation 3.51** OS/2®...

  • Page 19: Figure 1 - Memory Doors, Modules, and Slots

    Password The password descramble programs for the HP OmniBook PCs are protected as Decode Policy HP Company Private information. They...

  • Page 20: Figure 2 - Floppy Drive and Battery

    Notebook Hardware Structure Field Replaceable Assemblies Installing memory (End User Replaceable) The OmniBook 4000 family has two memory locations for...

  • Page 21: Figure 3 - Hard Disk Drive

    Battery Module and Floppy Disk Drive Module (End User Replaceable) The Battery and Floppy Disk Drive Modules are user replaceable....

  • Page 22: Small parts (End User Replaceable)

    Hard Disk Drive (End User Replaceable) The Hard Disk Drive Module is user replaceable. To remove the Hard Disk Drive...

  • Page 23: Figure 4 - Display Screws

    Small parts (End User Replaceable) The I/R lens, expansion door, I/O door, Rubber feet, memory doors, and PCMCIA door are...

  • Page 24: Figure 5 - Icon Assembly

    Icon Assembly and Display Module (HP Authorized Support Providers Only) To remove the display module on the OmniBook 4000C and...

  • Page 25: Figure 6 - Display Removal

    Turn the unit right side up and remove the Icon assembly by placing the thumbs on each edge of the...

  • Page 26: Figure 7 - Lower Case Screws

    Lift the display straight up about 1 inch. The Icon Assembly will lift up with the display. Move the Icon...

  • Page 27: Figure 8 - Palm Rest and Track Ball Assemblies

    Palm Rest Assembly and Track Ball Assembly (HP Authorized Support Providers Only) Before removing the Palm Rest Assembly or Track...

  • Page 28: Keyboard Assembly (HP Authorized Support Providers Only)

    Turn the unit right side up, open the lid and lift up on the palmrest. Disconnect the cable attaching the...

  • Page 29: Figure 9 - Keyboard and Sound Board

    Keyboard Assembly (HP Authorized Support Providers Only) Required Equipment: • Phillips Screwdriver Components to Remove Prior to Keyboard: 1. HDD,...

  • Page 30

    Figure 9 - Keyboard and Sound Board ___________ 29

  • Page 31: Connect PK-LSP (HP Authorized Support Providers Only)

    Power Board (PCA Assy PK-DC) (HP Authorized Support Providers Only) Required Equipment: • Phillips Screwdriver Components to remove prior Power...

  • Page 32: Figure 10 - Upper Case and Display Connect

    Upper Case, Sound Board (PCB Assy PK-688/PK-AUD), and PCA Display Connect PK-LSP (HP Authorized Support Providers Only) Required Equipment: •...

  • Page 33: Providers Only)

    Audio Ports (part of Sound Board Assembly) PCB Assy PK- Screw ISOB 688/PK-Aud M2x6L (Sound Board) Microphone Assembly Upper...

  • Page 34: Figure 11 - System Board and Keyboard Grounding Plate

    Keyboard Grounding Plate, CPU, and System Board (HP Authorized Service Providers Only) Required Equipment: • Phillips Screwdriver • Nutdriver (5...

  • Page 35: Troubleshooting Tips:

    Standoff 10mm Screw ISOB K/B Grounding M2.6x5L Plate PCA Proc Track Ball and (CPU) Sub Battery-M/B Harnesses Standoff 15mm...

  • Page 36: Main Configuration Screen

    Enhanced Port Replicator (Exchange Assembly) The Enhanced Port Replicator (EPR) for the OmniBook 4000 contains no field replaceable components. If...

  • Page 37: Power Screen

    Configuration and Setup Main Configuration Screen Pressing [fn][f2] invokes the BIOS setup and configuration utility. Users can check system configuration...

  • Page 38: Power Conservation Mode

    Power Screen The power screen contains the current power level of the main and auxiliary battery. If there is no...

  • Page 39: Power Defaults

    Power Configuration To implement the power management capabilities, the following settings are set by the user from the power setup...

  • Page 40: System Configuration

    Power Defaults Advanced, Standard, Off and Custom, power conservation default values are: Advanced Standard Off: Custom Suspend After 1 minute...

  • Page 41: Printer port

    System Configuration The system screen contains the processor and memory information for the user to glance at. It also allows...

  • Page 42: Disk Configuration

    Input/Output Configuration Setting: Parameters: Default: Comments Printer port Bi-directional; EPP; ECP Bi-directional IR Port Assignment COM2 COM2 IR is hard...

  • Page 43: Audio Configuration

    Disk Configuration Setting: Parameters Default Comments Diskette A Enabled; Disabled Enabled Boot from FDD first; HDD only FDD first HDD...

  • Page 44: First POST: BEEP CODES

    Audio Configuration The audio screen allows the user to adjust the speaker volume of the system. The user can also...

  • Page 45

    Troubleshooting and Repair Known Hardware The OmniBook 4000C and CT will not charge the batteries while in "ON" Issues mode....

  • Page 46

    Beep Code Description none CPU register test in progress or failure. 1-1-1 CPU Failure 1-1-3 CMOS write/read test in progress...

  • Page 47: PhoenixBIOS POST Messages (Power On Self Test)

    3-1-2 Master DMA register test in progress or failure. Failure results in a system halt. 3-1-3 Master interrupt mask register...

  • Page 48

    Last POST: There are a number of POST tests that are performed after the BEEP Code DISPLAY CODES tests....

  • Page 49

    Fixed disk read failure -press Fl to retry boot (or may The fixed disk may be configured incorrectly or is...

  • Page 50: Appendix A: Part Numbers

    Message Possible Cause nnnk Base Memory The amount of base memory that tested successfully. nnnk Extended The amount of extended...

  • Page 51

    Appendix A: Part Numbers Description HP Part Exchange Part Number Number RUBBER FOOT BACK FLAT F1081-60933 none RUBBER FOOT FRONT...

  • Page 52: Appendix B: Additional Resources

    KEYBOARD GER F1081-60906 none KEYBOARD SPA F1081-60907 none KEYBOARD FRE F1081-60908 none KEYBOARD ITA F1081-60909 none KEYBOARD SWI F1081-60910 none...

  • Page 53

    Appendix B: Additional Resources The following table contains resources for additional product related information. Resource Number/Address Comments HP External...

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