HP Omnibook 300 425 430 530 Service Manual

							Service ManualHP OmniBook 300, 425, 430, 530 
						

							Notice
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products meet the ENERGY STAR guidelines for energy
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Please check with your HP reseller for certification status.
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Ó Hewlett-Packard Company 1996.
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Printed in U.S.A.
5965-0244 
						

							iiTable of Contents
Table of Figures.........................................................................................................................iv
Introduction.................................................................................................................................v
Product Overview........................................................................................................................1
Product Features.....................................................................................................................2
OmniBook 300, 425, and 430...............................................................................................2
OmniBook 530.....................................................................................................................3
Product Comparisons...............................................................................................................4
Product at a Glance.................................................................................................................6
Troubleshooting...........................................................................................................................9
OmniBook Self-Test...............................................................................................................10
Loop Back Connectors........................................................................................................10
Troubleshooting Flowchart.....................................................................................................12
Main Troubleshooting Flowchart.........................................................................................13
Power Source Problems.....................................................................................................15
Boot-Up Problems..............................................................................................................18
Display Problems...............................................................................................................19
Hard Disk Problems............................................................................................................20
Memory Problems..............................................................................................................23
Power Management Problems............................................................................................25
Pop-Out Mouse Problems...................................................................................................28
Floppy Drive Problems.......................................................................................................32
Parallel Port Problems........................................................................................................35
Serial Port Problems..........................................................................................................37
PCMCIA Problems.............................................................................................................39
IR Port Problems................................................................................................................43
Hardware Repair.......................................................................................................................45
Battery (End User Replaceable).............................................................................................46
Memory (End User Replaceable)...........................................................................................48
Hard Disk Drive/Flash Card and System ROM (End User Replaceable).................................50
Mouse (End User Replaceable)..............................................................................................52
Small Parts (End User Replaceable)......................................................................................53
Battery Door.......................................................................................................................53
Battery Door Latch..............................................................................................................53
Blank Modem Door.............................................................................................................53
Memory Door.....................................................................................................................53
I/O Door.............................................................................................................................53
Rubber Feet.......................................................................................................................53
PCMCIA Card Tray.............................................................................................................53
Display (HP Authorized Service Providers Only)....................................................................54
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
Card Services and Socket Services Version Matrix................................................................67
Memory Map..........................................................................................................................68
Upper Memory Block Space...................................................................................................68
DOS Conventional Memory...................................................................................................68
Appendix B - Power On Self Test Codes...................................................................................69
Beep Codes...........................................................................................................................69
Display Codes........................................................................................................................70
Appendix C - Password Policy...................................................................................................75 
						

							iiiAppendix D - Part Numbers.......................................................................................................77 
						

							ivTable 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
Figure 7 - Removing Card Slot Tray..........................................................................................51
Figure 8 - Removing the Mouse................................................................................................52
Figure 9 - Outer Bottom Case Components...............................................................................54
Figure 10 - Backplane Standoffs................................................................................................55
Figure 11 - Bottom Case Tabs...................................................................................................55
Figure 12 - Bottom Case Prying Locations.................................................................................56
Figure 13 - I/O Port Prying Location..........................................................................................56
Figure 14 - Disconnecting Display Cable...................................................................................57
Figure 15 - Keyboard Flex Cables.............................................................................................58
Figure 16 - Display Grounding Eyelets.......................................................................................58
Figure 17 - Display Cable Probe Position..................................................................................60
Figure 18 - Reconnecting Display Cable....................................................................................60
Figure 19 - I/O Port Eyelets (all present)....................................................................................61
Figure 20 - I/O Port Eyelets (two matched sets).........................................................................61
Figure 21 - I/O Port Eyelets (only one matched set)...................................................................61
Figure 22 - I/O Port Eyelets (no eyelet in position one)..............................................................61
Figure 23 - Logic Board PCA Removal......................................................................................63
Figure 24 - Paw Carrier Removal..............................................................................................65 
						

							vIntroduction
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.
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.
The following table lists additional sources where supplementary information can be obtained:ResourceNumber/AddressCommentsHP External Webhttp://hpcc998.external.hp.com/mcd/No usage restrictionHP-MCD Internal Webhttp://webmcd.cv.hp.comRestricted to HP internet
access onlyHP MCD Service
[email protected] address for service
related questions and
issues 
						

							Part 1
Product Overview
· Product Features
· Product Comparisons
· Product at a Glance 
						

							2Product Features
OmniBook 300, 425, and 430Figure 1 - OmniBook 300, 425, and 430 Features
1. Latch11. AC adapter socket
2. Display12. Serial port connector
3. Keyboard13. Parallel port connector
4. Card slot A14. Infrared port
5. Card-eject levers15. System slots (C and D)
6. On/Off key16. Memory-expansion slot
7. Mouse17. Modem port
8. Mouse-eject button18. Battery compartment
9. Display contrast buttons19. Security ring
10. Speaker20. Reset button 
						

							3OmniBook 530Figure 2 - OmniBook 530 Features
1. Latch12. Serial port connector
2. Display13. Parallel port connector
3. Keyboard14. VGA output connector
4. Card slots15. System slots
5. Card-eject levers16. Memory-expansion slot
6. On/Off key17. Modem port
7. Mouse18. Battery compartment
8. Mouse-eject button19. Security ring
9. Display contrast buttons20. Infrared port
10. Speaker21. Reset button
11. AC adapter socket  
						

							4Product ComparisonsOmniBook 300OmniBook 425OmniBook 430OmniBook 530Size Closed16.3 x 28.2 x 3.6 cm(6.4 x 11.1 x 1.4 in)16.3 x 28.2 x 3.6 cm(6.4 x 11.1 x 1.4 in)16.3 x 28.2 x 3.6 cm(6.4 x 11.1 x 1.4 in)16.3 x 28.2 x 3.6 cm(6.4 x 11.1 x 1.4 in)Weight1.31 kg (2.888 lb)w/flash1.36 kg (2.998) w/hdd1.31 kg (2.888 lb)w/flash1.36 kg (2.998) w/hdd1.36 kg (2.998 lb)1.36 kg (2.998 lb)Processor386SXLV486SLC/e486SLC/eIntel©
 486SXClock Speed20 MHz25 MHz25 MHz33 MHzDisplay640 x 480 VGA9-inch diagonal LCD16 shades of gray640 x 480 VGA9-inch diagonal LCD16 shades of gray640 x 480 VGA9-inch diagonal LCD640 x 480 VGA9-inch diagonal LCDVGA-out Supportnonenonenone640 x 480, 16 or 256colors800 x 600, 16 colorsBattery4.8 Vdc nickel-metal-hydride rechargeable1.5 V alkaline AA (flashversion only)4.8 Vdc nickel-metal-hydride rechargeable1.5 V alkaline AA (flashversion only)4.8 Vdc nickel-metal-hydride rechargeable1.5 V lithium AA4.8 Vdc nickel-metal-hydride rechargeableBattery Life5 hours w/hdd9 hours w/flash4.5 hours w/hdd8 hours w/flash4.5 hours4 hoursAC Adapter100 to 240 Vac (50 to60 Hz) input12 Vdc output100 to 240 Vac (50 to60 Hz) input12 Vdc output100 to 240 Vac (50 to60 Hz) input12 Vdc output100 to 240 Vac (50 to60 Hz) input12 Vdc outputRecharge Timeless than 1.5 hoursw/ac adapterless than 1.5 hoursw/ac adapterless than 1.5 hoursw/ac adapterless than 1.5 hoursw/ac adapterOperatingTemperature0 to 40 C (32 to 104 F)0 to 40 C (32 to 104 F)0 to 40 C (32 to 104 F)0 to 40 C (32 to 104 F)StorageTemperature (withdata retention)0 to 55 C (32 to 131 F)0 to 55 C (32 to 131 F)0 to 55 C (32 to 131 F)0 to 55 C (32 to 131 F)Operating andStorage Humidity90% relative humidity at40 C (104 F) maximum90% relative humidity at40 C (104 F) maximum90% relative humidity at40 C (104 F) maximum90% relative humidity at40 C (104 F) maximumMass StorageAvailable40-MB hard disk10-MB flash disk40-MB hard disk10-MB flash disk105-MB hard disk40-MB hard disk130-MB hard diskMemory2 MB RAM2 MB RAM2 MB RAM on 40-MB version4 MB RAM on 105-MB version4 MB RAMMemoryExpansionAvailable2-MB, 4-MB2-MB, 4-MB2-MB, 4-MB4-MB, 8-MBInput/Output9-pin, 115K baud,RS-232 port25-pin parallel port115K baud,bidirectional infraredportCommunication portfor optionalfax/modem9-pin, 115K baud,RS-232 port25-pin parallel port115K baud,bidirectional infraredportCommunication portfor optionalfax/modem9-pin, 115K baud,RS-232 port25-pin parallel port115K baud,bidirectional infraredportCommunication portfor optionalfax/modem9-pin, 115K baud,RS-232 port25-pin parallel port115K baud,bidirectional infraredportCommunication portfor optionalfax/modemKeyboard andMouse85 keysIndustry-standard, full-sized key spacingEmbedded numerickeypad9 Fn keysBuilt-in pop-up mouse85 keysIndustry-standard, full-sized key spacingEmbedded numerickeypad12 Fn keysBuilt-in pop-up mouse85 keysIndustry-standard, full-sized key spacingEmbedded numerickeypad12 Fn keysBuilt-in pop-up mouse85 keysIndustry-standard, full-sized key spacingEmbedded numerickeypad12 Fn keysBuilt-in pop-up mouseExpandabilityPCMCIA, Type II,Version 2.0 card slotsTwo slots available withPCMCIA, Type II,Version 2.0 card slotsTwo slots available withPCMCIA, Type II,Version 2.0 card slotsOne slot available withTwo PCMCIA Type IIslots (one Type III slot)Optional floppy disk