HP OmniBook 300 Service Manual
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HP OmniBook 300 Service Manual

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HP OmniBook 300, 425, 430, 530

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Summary of Contents for HP OmniBook 300

  • Page 1 Service Manual HP OmniBook 300, 425, 430, 530...
  • Page 2 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 3 Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard. As an ENERGY STAR partner, HP has determined that these products meet the ENERGY STAR guidelines for energy efficiency. All Certifications may not be completed at product introduction.

  • Page 4: Table Of Contents

    Keyboard (HP Authorized Service Providers Only) ..............62 Logic PCA Board (HP Authorized Service Providers Only).............63 Paw Carrier (Paw Active) (HP Authorized Service Providers Only) ........65 Other Components (HP Authorized Service Providers Only)..........66 Appendix A - Technical and Resource Specifications ..............67 Mass Storage Specifications ....................67...
  • Page 5 Appendix D - Part Numbers.......................77...

  • Page 6: Table Of Figures

    Table of Figures Figure 1 - OmniBook 300, 425, and 430 Features ...............2 Figure 2 - OmniBook 530 Features....................3 Figure 3 - Serial Loop Back Connector ..................11 Figure 4 - Parallel Loop Back Connector ...................11 Figure 5 - OmniBook Memory Modules ..................48 Figure 6 - Removing the Memory Module..................49...

  • Page 7: Introduction

    This document provides reference information for the HP OmniBook 300, HP OmniBook 425, HP OmniBook 430, and HP OmniBook 530. It is intended to be used by HP-qualified service personnel to help with the installation, servicing, and repair of these HP OmniBook PCs.

  • Page 8: Product Overview

    Part 1 Product Overview • Product Features • Product Comparisons • Product at a Glance...

  • Page 9: Product Features

    Product Features OmniBook 300, 425, and 430 Figure 1 - OmniBook 300, 425, and 430 Features 1. Latch 11. AC adapter socket 2. Display 12. Serial port connector 3. Keyboard 13. Parallel port connector 4. Card slot A 14. Infrared port 5.

  • Page 10: Omnibook 530

    OmniBook 530 Figure 2 - OmniBook 530 Features 1. Latch 12. Serial port connector 2. Display 13. Parallel port connector 3. Keyboard 14. VGA output connector 4. Card slots 15. System slots 5. Card-eject levers 16. Memory-expansion slot 6. On/Off key 17.

  • Page 11: Product Comparisons

    Product Comparisons OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 Size Closed 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm (6.4 x 11.1 x 1.4 in) (6.4 x 11.1 x 1.4 in)

  • Page 12: Omnibook 530

    OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 the flash disk version the flash disk version the hard disk version drive One slot available with One slot available with the hard disk version the hard disk version © © ©...

  • Page 13: Product At A Glance

    Product at a Glance...
  • Page 14 Description Part Number OB300 OB425 OB430 OB530 Standoff 0380-4060 Screw M2x4.6mm (T6) 0515-2396 Mouse 5061-4390 Arm Eject Mouse Spring F1030-00016 Pivot Door Spring F1030-00026 Spring Card Eject F1030-00029 Mouse Latch Spring F1030-00030 Mylar Mouse Shield F1030-20001 Door Battery Door Battery (10 pack) F1030-60912 Door Battery (silver) F1052-40012...

  • Page 16: Troubleshooting

    Part 2 Troubleshooting • OmniBook Self Test • Troubleshooting Flowchart...

  • Page 17: Omnibook Self-Test

    OmniBook Self-Test The OmniBook Self-Test provides on-board hardware and firmware diagnostics. To operate the self-test, perform the following steps: 1. Save all files and close all applications: The OmniBook is reset at the end of the self-test. 2. Turn the OmniBook OFF. 3.

  • Page 18: Figure 3 - Serial Loop Back Connector

    Figure 3 - Serial Loop Back Connector Figure 4 - Parallel Loop Back Connector...

  • Page 19: Troubleshooting Flowchart

    Troubleshooting Flowchart The following series of flowcharts is intended as a guide for troubleshooting the OmniBook 300, 425, 430, and 530. Each technician should still rely on personal experience and supplemental knowledge when diagnosing a problem. These tips should be kept in mind when referencing the troubleshooting flowcharts: •...

  • Page 20: Main Troubleshooting Flowchart

    Main Troubleshooting Flowchart START See Hard See DOS or Disk Windows? flowchart Get user information: Name Telephone number Unit serial number Repair history Memory OK? (No Memory memory errors) flowchart Eliminate all Isolate damage. obvious physical Refer to repair problems? process See Hard Hard disk...
  • Page 21 Main Troubleshooting Flowchart (continued) If you still have Parallel port See Parallel a problem, it's operates correctly? Port flowchart in software or in a part of the unit not covered by these flowcharts. Serial port See Serial operates Port correctly? flowchart See Serial External VGA...

  • Page 22: Power Source Problems

    Start: No power lamp, or low battery life Battery in Omnibook? Turn Omnibook off Remove and reinsert battery HP ac adapter and cable? Connect OB to ac adapter, plug adapter into wall socket Done Turn on Omnibook See power light?
  • Page 23 Power Source Problems (continued) Try different Light on power socket continuously (not intermittent)? Recheck cables, connections: See power ac adapter to light? Ambient temperature within specification? Light still intermittent? Done: Power source problem Done Done: Bring temperature within specifications Ensure power Done: Suspect bad coming from ac adapter, cable, or...
  • Page 24 Power Source Problems (continued) Can you substitute known good ac adapter? See steady power light? Can you substitute known Done: Original ac good OB? adapter or cable Ac adapter warm? See steady power light? Done: Suspect original OB base Done: Suspect bad unit bad ac adapter or cable...

  • Page 25: Boot-Up Problems

    Boot-Up Problems Start : Problems during bootup Press Ctrl Alt Del to get a clean boot Hear Multiple beeps Single beeps single or multiple beeps during boot? Windows or DOS prompt in display? Done support utility disk available? support utility Suspect software disk available? problem: locate OB...

  • Page 26: Display Problems

    Display Problems Start: Power light on, but no display Physical inspection of display Adjust brightness and contrast controls See anything in display? Go to Boot-Up Problems Done flowchart...

  • Page 27: Hard Disk Problems

    Hard Disk Problems Start: Hard disk fails to boot up to DOS or Windows; or other hard disk problems anything in drive C:? HP hard Insert hard disk in C: disk? Done Noisy? Speech: Need hard disk to boot correctly See "Non-...
  • Page 28 Hard Disk Problems (continued) Do hard checking. Do hard checking. Save logs. Save logs. Let SCANDISK repair errors. Let SCANDISK repair errors. Boot from OB companion disk in drive A: Space available on hard disk within spec? Do SCANDISK C: Done: Hard disk bad Boot from drive C:...
  • Page 29 Hard Disk Problems (continued) Remove disk from drive A: Boot from drive C: DOS and Windows boot OK? Give customer general data recovery hints Done customer willing to reformat hard disk? Boot from drive A: Done: Customer must purchase another hard disk Back up hard disk to A: Reformat hard disk...

  • Page 30: Memory Problems

    Memory Problems Start: Problem with plug-in memory Intermittent problem? End current Run short OB session. memory self-test Exit software and turn off OB Memory self-test OK? Remove OB Run long OB battery, memory self-test disconnect ac adapter Remove and Memory examine self-test memory module...
  • Page 31 Memory Problems (continued) Power up OB (memory module removed) Memory problem disappears? Run short OB Done: Suspect bad memory self-test memory module (without memory module) Memory self-test OK? Run long OB memory self-test (without memory module) Memory self-test OK? Done: Suspect Done: Suspect OB memory module bad base unit bad...

  • Page 32: Power Management Problems

    Power Management Problems Start: Low battery life See OB Physical power icon? inspection: HP battery? Done: Suspect Contacts dirty? software problem Physically OK? Windows Ac adapter running? attached to OB and wall? Start Windows Attach ac adapter Power icon in...
  • Page 33 Power Management Problems (continued) Does battery indicator reach full charge? Ambient Bring ambient temperature in temperature spec? within specification, recharge battery Charging circuitry may be defective "Bad/no battery" message? Ensure ac adapter plugged PCMCIA cards into OB and wall installed? 3rd-party Clean boot: software...
  • Page 34 Power Management Problems (continued) Get 1-1/2 hours battery life? Use MSD to determine what Done TSR's are running Disable TSR's Get 1-1/2 hours battery life? Done Done: Suspect bad or old battery...

  • Page 35: Pop-Out Mouse Problems

    Pop-Out Mouse Problems Start: OB popout mouse problem Eliminate obvious physical problems Windows? Start Windows running mouse OB popout mouse? Disable other mouse Enable OB popout mouse See mouse pointer? Done: Suspect software problem Does mouse (Windows problem) pointer move?
  • Page 36 Pop-Out Mouse Problems (continued) Reaches all 4 corners of screen? Can you calibrate mouse? Is mouse jittery, intermittent? Done: Mouse should be OK Suspect bad mouse...
  • Page 37 Pop-Out Mouse Problems (continued) Suspect software Setup shows configuration correct mouse problem driver? Check for correct OB mouse driver Configure Setup for correct OB mouse driver Mouse driver Look at mouse in Mouse Windows Control moves? Panel Done: Replace with known good version of correct OB mouse driver Done: Mouse...
  • Page 38 Pop-Out Mouse Problems (continued) Can you put Clean boot: suspect mouse in Ctrl Alt Del, known good OB? press F5 when starting Suspect mouse Run OB works in known diagnostic good OB? program Put known good Does mouse OB mouse in pass all tests? suspect base unit...

  • Page 39: Floppy Drive Problems

    Floppy Drive Problems Start: External floppy disk drive problem External FDD is HP device? Cable is Done correct one? Locate and attach correct Eliminate cable obvious physical problems: Cable OK? Pins not bent? Cable connected Drive works and solidly in...
  • Page 40 Floppy Drive Problems (continued) Clean boot: Ctrl Alt Del, press F5 during boot Drive works Done Run short self- test twice you swap with known Drive passes good drive and self-test OK? cable? With original OB turned on, Suspect software connect good problem (proceed drive and cable...
  • Page 41 Floppy Drive Problems (continued) Clean boot: Ctrl Alt Del, press F5 during boot Disk self-test Run OB disk self-test: Boot from drive Put empty, A: with OB known good companion disk disk, formatted Change diskette, for DOS, in run self-test drive.

  • Page 42: Parallel Port Problems

    Parallel Port Problems Start: Problem with parallel port Use PRN command to print a file Problem with Laplink Remote? Prints file Troubleshoot Laplink Remote Done: Parallel port OK Other printer Physical available? inspection: Cable connected? Attach OB and Cable pins OK? use PRN command to print file on...
  • Page 43 Parallel Port Problems (continued) Self-test Reconfirm: Printer plugged Done: Bad OB base unit On line? Attach printer to desktop PC Clean boot to DOS on desktop Ctrl Alt Del, press F5 during boot PRN prints file OK? Done: Suspect Done: Suspect bad original OB bad printer or cable...

  • Page 44: Serial Port Problems

    Serial Port Problems Start: Problem with serial port Problem with Laplink Remote? Troubleshoot Laplink Remote Install loopback Physical connector inspection: Cable connected? Bent pins? Cable appears Run OB self-test procedure Connected to what? Self-test Modem? Printer? Other? Done: Serial port Loopback connector Done: Suspect bad...
  • Page 45 Serial Port Problems (continued) Ensure proper default serial port configuration Serial port works OK? Done Can you eliminate all potential software conflicts? Eliminate software conflicts Serial port works OK? Done Plug another device and cable into serial ports Serial port works OK? Done: Suspect Done: Suspect bad...

  • Page 46: Pcmcia Problems

    PCMCIA Problems Start: PCMCIA card problem Determine type of card Known issue with this card? Seek additional Has card ever information on worked? card Remove card Has any software been (with power on or loaded or modified off) since card worked? Visually inspect card: Connectors bent?
  • Page 47 Self-test Exit to DOS prompt See DOS prompt? Suspect bad card Exit to DOS prompt Done: Software configuration or setup problem Remove card and HP card? run CARDINFO Interpret CARDINFO Done: Return card Done: Contact card results to HP vendor...
  • Page 48 Check CONFIG.SYS Insert card in top and AUTOEXEC.BAT slot Run CARDINFO Done Insert same card in bottom slot Hardware problem in both slots? Suspect bad card Run CARDINFO Interpret results Card is HP device? Done: Contact card vendor Done: Replace card...
  • Page 49 PCMCIA Problems (continued) Hardware problem in one slot only? Done: Suspect bad Software OB base unit problem in both slots? Software problem in one slot only? Seek further information - Done: Suspect software Done consult with configuration problem Technical Support...

  • Page 50: Ir Port Problems

    IR Port Problems Start: Problem with infrared (IR) port Clean boot: Ctrl Alt Del, press F5 during Problem with boot Laplink Remote? Troubleshoot Laplink Remote Run OB self-test Physical Run IR self-test inspection: in proper IR port not environment covered? Painted over? Obscured? IR self-test...

  • Page 52: Hardware Repair

    Part 3 Hardware Repair • Battery • Memory • Hard Disk Drive/Flash Card and System ROM • Mouse • Small Parts • Display • Keyboard • Logic PCA Board • Paw Carrier • Other Components Always provide proper grounding when performing any of the AUTION following repairs.

  • Page 53: Battery (End User Replaceable)

    Battery (End User Replaceable) All of the monochrome OmniBook models use the same HP Nickel-Metal-Hydride (NiMH) Battery Pack, part number F1045A (service replacement part number F1045-60901). However, for some models, 1.5 V AA batteries can be used in place of the NiMH battery pack. The following table lists all of the monochrome OmniBooks and the batteries that can be used safely in each model.
  • Page 54 Replacement Procedure 1. To replace the battery, do one of the following: • To replace the OmniBook battery pack, insert the rounded side of the pack into the compartment first. It is not possible to fully insert the battery pack incorrectly. •...

  • Page 55: Memory (End User Replaceable)

    8-MB F1055B F1055-60002 The following illustration provides a visual representation of the physical differences between the memory module for the OmniBook 300, 425, and 430 and the memory module for the OmniBook 530. OmniBook 300, 425, and 430 OmniBook 530...

  • Page 56: Figure 6 - Removing The Memory Module

    Figure 6 - Removing the Memory Module 3. Perform the appropriate action for the corresponding OmniBook: • OmniBook 300, 425, or 430 -- Use a probe or similar device to pull on the small post located on the front edge of the memory module. •...

  • Page 57: Hard Disk Drive/Flash Card And System Rom (End User Replaceable)

    Hard Disk Drive/Flash Card and System ROM (End User Replaceable) The Hard Disk Drives for the OmniBook 300, 425, 430, and 530 can be reimaged if necessary. If the software is corrupted, or otherwise damaged, on the hard drive, it can be reformatted and the software reloaded.

  • Page 58: Figure 7 - Removing Card Slot Tray

    Required Equipment • none Removal Procedure 1. Exit all applications, including Windows. 2. Turn the OmniBook off and remove the battery and ac adapter. 3. Turn the OmniBook over, release the two latches on the bottom of the tray, and pull out the tray.

  • Page 59: Mouse (End User Replaceable)

    Mouse (End User Replaceable) Required Equipment • none Removal Procedure 1. Press the mouse-eject button to eject the mouse. 2. Pull the mouse firmly away from the OmniBook (see below illustration). The entire mouse assembly will pull free. Figure 8 - Removing the Mouse Replacement Procedure 1.

  • Page 60: Small Parts (End User Replaceable)

    Small Parts (End User Replaceable) The following small parts are all end user replaceable. Battery Door Push the two battery door latches away from the battery door. Remove the battery door by lifting up at the notch in the bottom case. Place the battery door, tab side first, over the battery compartment.

  • Page 61: Display (Hp Authorized Service Providers Only)

    Display (HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • 5mm Hexdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Remove the battery, ac adapter, mass storage, system card (if applicable), memory module (if installed), modem (if installed), mouse, and any installed PCMCIA accessory cards.

  • Page 62: Figure 10 - Backplane Standoffs

    3. Remove the I/O Door and the four standoffs located on the I/O backplane (see figure below). Figure 10 - Backplane Standoffs 4. Two flat tip screwdrivers, or similar prying devices, are needed to remove the Top Case and Display Assemblies. Four plastic tabs hold the Top Case and Bottom Case together. Two tabs are located in each PCMCIA slot (see below illustration).

  • Page 63: Figure 12 - Bottom Case Prying Locations

    Place a prying device at a tab location between the metal and plastic of the Bottom Case (see figure below, left). Place another prying device in the PCMCIA eject button (see figure below, right). To release the tab, simultaneously twist prying device A while lifting on prying device B.

  • Page 64: Figure 14 - Disconnecting Display Cable

    8. With the separation increased slightly, the display cable can be disconnected using a probe. Use caution to keep the OmniBook on a level surface. With the Top Case partially separated, small internal parts may dislodge when the OmniBook is tilted at a sharp angle.

  • Page 65: Figure 15 - Keyboard Flex Cables

    Figure 15 - Keyboard Flex Cables 10. To separate the Keyboard from the Display, five grounding eyelets must be removed from the display posts (see below illustration). Use caution when removing the grounding eyelets, as they can be broken off easily. If this happens, the assembly must be replaced.
  • Page 66 11. To remove the Display from the Top Case, the display cable and two grounding cables must be guided through the holes in the Top Case. Replacement Procedure 1. Guide the display posts, display cable and two grounding cables on the Display through the holes in the Top Case.

  • Page 67: Figure 17 - Display Cable Probe Position

    5. To reconnect the display cable, position a probe in the cable as shown in the below illustration. Figure 17 - Display Cable Probe Position 6. Use the probe to connect the display cable into the connector as shown below. Use caution to keep the OmniBook on a level surface.

  • Page 68: Figure 19 - I/O Port Eyelets (All Present)

    Acceptable to reassemble All eyelets are present. Figure 19 - I/O Port Eyelets (all present) Acceptable to reassemble There are two matched sets and at least one eyelet in each position. Figure 20 - I/O Port Eyelets (two matched sets) Not acceptable to reassemble There is only one matched set.

  • Page 69: Keyboard (Hp Authorized Service Providers Only)

    Keyboard (HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Display Removal Procedure to separate the Display and Top Case from the Bottom Case.

  • Page 70: Logic Pca Board (Hp Authorized Service Providers Only)

    Logic PCA Board (HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Display Removal Procedure to separate the Display and Top Case Assembly from the Bottom Case.
  • Page 71 3. The Eject Buttons and Springs do not need to be removed to gain access to the Logic Board. However, because they can be dislodged easily, setting them aside is recommended. 4. Remove the Paw Carrier Flex Cable from the zero-force insertion slot. 5.

  • Page 72: Paw Carrier (Paw Active) (Hp Authorized Service Providers Only)

    Paw Carrier (Paw Active) (HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Logic Board PCA Removal Procedure.

  • Page 73: Other Components (Hp Authorized Service Providers Only)

    Other Components (HP Authorized Service Providers Only) The below table list additional replaceable components and the disassembly procedure(s) necessary to gain access to each. Component Disassembly Equipment Special Notes Procedure(s) Top Case Display Torx #6 screwdriver Keyboard 5mm hexdriver Two flat tip screwdrivers...

  • Page 74: Appendix A - Technical And Resource Specifications

    Appendix A - Technical and Resource Specifications Mass Storage Specifications 40MB 105MB 131MB Flash Disk Cards (Typical) Average seek < 19 ms 19 ms 19ms 2-3 ms Track to Track 5 ms 6 ms 6 ms seek Average Latency 6.67 ms 6.72 ms 6.72 ms Rotational speed...

  • Page 75: Memory Map

    Memory Map 300/425 SYSTEM BIOS SYSTEM BIOS VGA BIOS VGA BIOS UMB SPACE PCMCIA PCMCIA SPACE UMB SPACE VGA RAM VGA RAM Upper Memory Block Space OB300/425 OB430 OB530 UMB Space Available 64k + 32k 112k contiguous DOS Conventional Memory OB300 OB425 OB430...

  • Page 76: Appendix B - Power On Self Test Codes

    Appendix B - Power On Self Test Codes Beep Codes Beep Codes are used to identify a Power On Self Test (POST) error that occurs when the screen is not available. Once the screen is operational, diagnostic messages are reported to the screen. There are beep codes for both fatal and nonfatal system board errors.

  • Page 77: Display Codes

    0120h RTC clock tick error CMOS Errors 0240h CMOS power bad 0241h CMOS checksum bad 0280h HP checksum bad 0282h EISA checksum bad error code 0281 was previously used 8041 Errors 0301h did not read 0AAH command 0302h did not respond to 0AAH command...
  • Page 78 0352h kbd not connected 0353h no response from kbd test 0354h kbd test failed error codes 0304, 0313-0314, 0321-0323, 0331-033C were previously used AUX Self Test Errors 03E0h send enable-aux cmd to 8042 cmd byte failed 03E1h 8042 failed to accept write-aux- device cmd 03E2h write-aux-device cmd not sent by...
  • Page 79 Y = error type 1300h error code displayed if fdc is not configured properly 1301h error code if board is not ready 1302h error code if cmos says slot is empty but a card is present in the slot 1303h error code if cmos says slot does not have board with readable id but can read board id...
  • Page 80 test (low 640k). x = 64k bank no. with problem (i.e. 6204 = bank 4 is bad = address range 40000h to 4ffffh) 6300h I/O channel check came active during write read test of protected mode ram 63xx = xx = 256k ram bank/block with problem 6500h shadow RAM BIOS failed...
  • Page 81 0a004h FXCH or FCOMP didn't work 0a005h FADD didn't work 0a006h FMUL didn't work 0a007h FDIV didn't work 0a008h FSQRT didn't work 0a009h FPATAN didn't work 0a00ah invalid operation exception err 0a00bh denormal operand exception error 0a00ch zero divide exception error 0a00dh overflow exception error 0a00eh...

  • Page 82: Appendix C - Password Policy

    The statement can be a FAX copy of the document. The fact that the unit is in the hands of an HP representative on behalf of the customer is not evidence of ownership. In addition, HP will not descramble a unit for any non-owner, even if it involves law enforcement agencies.
  • Page 83 The log and backup are subject to standard record retention process and review. The final issue relating to descramble of passwords is that HP cannot provide information to users that would assist them in improperly descrambling a...
  • Page 84 Appendix D - Part Numbers Part Number Description OB300 OB425 OB430 OB530 0380-4060 Standoff Screw M2x4.6mm (T6) 0515-2396 F1030-00016 Arm Eject Mouse Spring F1030-00026 Pivot Door Spring F1030-00029 Spring Card Eject F1030-00030 Mouse Latch Spring F1030-20001 Mylar Mouse Shield F1030-40013 Pivot Door A F1030-40014 Pivot Door B F1030-40016 Door Modem Blank F1030-40017 Door RAM...
  • Page 85 Part Number Description OB300 OB425 OB430 OB530 F1033-60912 System ROM (ABE) Spanish F1037-60901 SVC Icon Label 430 (10 pack) F1037-60902 Custom Icon Kit (10 pack) F1037-60903 Sys ROM (ABA) US English F1037-60904 Sys ROM (ABB) Int. English F1037-60905 System ROM (ABD) German F1037-60906 System ROM (ABE) Spanish F1037-60907 System ROM (ABF) French F1052-40007 PCMCIA Door Left...
  • Page 87 HP Part Number 5965-0244...

This manual is also suitable for:

Omnibook 425Omnibook 430Omnibook 530

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