HP 425 - Notebook PC Manual de Serviço

Service ManualHP OmniBook 300, 425, 430, 530

4Product ComparisonsOmniBook 300 OmniBook 425 OmniBook 430 OmniBook 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

5OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530the flash disk versionOne slot available withthe hard disk versionthe flash disk versionOne slot a

6Product at a Glance28142729173235 33 2 6 18 19 6 2 2 2 2 2 2 2 13 10 8 34 31 23 262471313161611119154 12 3 30 20 21 22 25

7Description Part Number OB300 OB425 OB430 OB5301 Standoff 0380-40602 Screw M2x4.6mm (T6) 0515-23963 Mouse 5061-43904 Arm Eject Mouse Spring F1030-000

Part 2Troubleshooting• OmniBook Self Test• Troubleshooting Flowchart

10OmniBook Self-TestThe OmniBook Self-Test provides on-board hardware and firmware diagnostics. To operate theself-test, perform the following steps:

11Figure 3 - Serial Loop Back ConnectorFigure 4 - Parallel Loop Back Connector

12Troubleshooting FlowchartThe following series of flowcharts is intended as a guide for troubleshooting the OmniBook 300,425, 430, and 530. Each tec

13Main Troubleshooting FlowchartSTARTEliminate allobvious physicalproblems?Isolate damage.Refer to repairprocessNoGet userinformation:NameTelephone nu

NoticeIn a continuing effort to improve the quality of our products,technical and environmental information in this document issubject to change witho

14Main Troubleshooting Flowchart (continued)Parallel portoperates correctly?See ParallelPort flowchartSerial portoperatescorrectly?See SerialPortflowc

15Power Source ProblemsStart: No power lamp, or low battery lifeBattery in Omnibook?Turn Omnibook offRemove and reinsert batteryHP ac adapter and cabl

16Power Source Problems (continued)Light on continuously (not intermittent)?Try different power socketSee power light?Done: Power source problemRechec

17Power Source Problems (continued)Can you substitute known good ac adapter?See steady power light?Can you substitute known good OB?Done: Original ac

18Boot-Up ProblemsStart: Problems during bootupPress Ctrl Alt Del to get a clean bootHear single or multiple beeps during boot?See Windows or DOS pr

19Display ProblemsStart:Power light on, but nodisplayPhysicalinspection ofdisplayAdjust brightnessand contrastcontrolsSee anything indisplay?DoneGo to

20Hard Disk ProblemsStart: Hard disk fails to bootup to DOS or Windows; orother hard disk problemsSeeanything indrive C:?HP harddisk?Noisy?See "N

21Hard Disk Problems (continued)Do hard checking.Save logs.Let SCANDISK repair errors.Do hard checking.Save logs.Let SCANDISK repair errors.A BSpace a

22Hard Disk Problems (continued)Remove disk fromdrive A:Boot from drive C:Give customer general datarecovery hintsDOS and Windowsboot OK?CIscustomer w

23Memory ProblemsStart: Problem with plug-in memoryIntermittent problem?YesEnd current session.NoRun short OB memory self-testExit software and turn o

iiTable of ContentsTable of Figures ...

24Memory Problems (continued)Power up OB (memory module removed)Memory problem disappears?Done: Suspect bad memory moduleRun short OB memory self-test

25Power Management ProblemsStart: Lowbattery lifePhysicalinspection:HP battery?Contacts dirty?Physically OK?Ac adapterattached to OBand wall?Attach ac

26Power Management Problems (continued)ADoesbattery indicatorreach full charge?Ambienttemperature inspec?"Bad/nobattery"message?PCMCIA cards

27Power Management Problems (continued)BUse MSD to determine what TSR's are runningDisable TSR'sGet 1-1/2 hours battery life?Get 1-1/2 hours

28Pop-Out Mouse ProblemsStart: OB popout mouse problemEliminate obvious physical problemsSee Windows?Start Windows runningIs mouse OB popout mouse?Di

29Pop-Out Mouse Problems (continued)AReaches all 4 corners of screen?Can you calibrate mouse?Is mouse jittery, intermittent?Suspect bad mouseCDone: Mo

30Pop-Out Mouse Problems (continued)BSuspect softwareconfigurationproblemCheck forcorrect OBmouse driverMouse driverOK?Look at mouse inWindows Control

31Pop-Out Mouse Problems (continued)CClean boot: Ctrl Alt Del, press F5 when startingRun OB diagnostic programDoes mouse pass all tests?Remove mouse f

32Floppy Drive ProblemsStart: External floppy disk drive problemEliminate obvious physical problems: Cable OK? Pins not bent? Cable connected and soli

33Floppy Drive Problems (continued)AClean boot:Ctrl Alt Del, pressF5 during bootRun short self-test twiceCanyou swap with knowngood drive andcable?Wit

iiiAppendix D - Part Numbers...77

34Floppy Drive Problems (continued)BClean boot: Ctrl Alt Del, press F5 during bootRun OB disk self-test: Put empty, known good disk, formatted for DOS

35Parallel Port ProblemsStart: Problem with parallel portProblem with Laplink Remote?YesPhysical inspection: Cable connected? Cable pins OK?NoTroubles

36Parallel Port Problems (continued)ASelf-test OK?Done: Bad OB base unitReconfirm: Printer plugged in? On? On line? Attach printer to desktop PCClean

37Serial Port ProblemsStart: Problem with serial portProblem with Laplink Remote?YesPhysical inspection: Cable connected? Bent pins? Cable appears OK?

38Serial Port Problems (continued)Ensure proper default serial port configurationSerial port works OK?Can you eliminate all potential software conflic

39PCMCIA ProblemsStart: PCMCIA cardproblemKnown issuewith this card?Has card everworked?NoDetermine type ofcardSeek additionalinformation oncardRemove

40PCMCIA Problems (continued)AClean boot:Ctrl Alt Del, pressF5 during bootRun OB self-testSelf-testOK?Suspect bad cardHP card?Done: Contact cardvendor

41PCMCIA Problems (continued)CHardwareproblem?Done: Suspect badOB base unitSoftwareproblem?Check CONFIG.SYSand AUTOEXEC.BATDoneInsert card in topslotR

42PCMCIA Problems (continued)DHardwareproblem in oneslot only?Done: Suspect badOB base unitSoftwareproblem in bothslots?Softwareproblem in oneslot onl

43IR Port ProblemsStart: Problem with infrared (IR) portProblem with Laplink Remote?YesPhysical inspection: IR port not covered? Painted over? Obscure

ivTable of FiguresFigure 1 - OmniBook 300, 425, and 430 Features ...2Figure 2 - Om

Part 3Hardware Repair• Battery• Memory• Hard Disk Drive/Flash Card andSystem ROM• Mouse• Small Parts• Display• Keyboard• Logic PCA Board• Paw Carrier•

46Battery(End User Replaceable)All of the monochrome OmniBook models use the same HP Nickel-Metal-Hydride (NiMH)Battery Pack, part number F1045A (serv

47Replacement Procedure1. To replace the battery, do one of the following:• To replace the OmniBook battery pack, insert the rounded side of the pack

48Memory(End User Replaceable)The OmniBook 530 uses a unique memory module that is not compatible with the OmniBook300, 425, or 430. The table below

49Required Equipment• Probe (or similar device) for the OmniBook 300, 425, and 430 onlyCAUTION:To avoid damage due to electrostatic discharge, handle

50Hard 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 neces

51Required Equipment• noneRemoval Procedure1. Exit all applications, including Windows.2. Turn the OmniBook off and remove the battery and ac adapter.

52Mouse(End User Replaceable)Required Equipment• noneRemoval Procedure1. Press the mouse-eject button to eject the mouse.2. Pull the mouse firmly away

53Small Parts(End User Replaceable)The following small parts are all end user replaceable.Battery DoorPush the two battery door latches away from the

vIntroductionThis document provides reference information for the HP OmniBook 300, HP OmniBook 425,HP OmniBook 430, and HP OmniBook 530. It is intend

54Display(HP Authorized Service Providers Only)Required Equipment• Appropriate ESD station• Torx #6 screwdriver• 5mm Hexdriver• Two small flat tip scr

55 3. Remove the I/O Door and the four standoffs located on the I/O backplane (see figure below).4. Two flat tip screwdrivers, or similar prying devic

56Place 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 th

57 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.

5810. To separate the Keyboard from the Display, five grounding eyelets must be removed fromthe display posts (see below illustration). Use caution w

59 11. To remove the Display from the Top Case, the display cable and two grounding cables mustbe guided through the holes in the Top Case.Replacement

605. To reconnect the display cable, position a probe in the cable as shown in the belowillustration. 6. Use the probe to connect the display cable in

618. Open the display and firmly press the Top Case and Bottom Case together around the entireparameter of the OmniBook. This will lock the tabs of t

62Keyboard(HP Authorized Service Providers Only)Required Equipment• Appropriate ESD station• Torx #6 screwdriver• Two small flat tip screwdrivers (or

63Logic PCA Board(HP Authorized Service Providers Only)Required Equipment• Appropriate ESD station• Torx #6 screwdriver• Two small flat tip screwdrive

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

643. 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

65Paw Carrier (Paw Active)(HP Authorized Service Providers Only)Required Equipment• Appropriate ESD station• Torx #6 screwdriver• Two small flat tip s

66Other Components(HP Authorized Service Providers Only)The below table list additional replaceable components and the disassembly procedure(s)necessa

67Appendix A - Technical and ResourceSpecificationsMass Storage Specifications40MB 105MB 131MB Flash DiskCards (Typical)Average seek < 19 ms 19 ms

68Memory MapUpper Memory Block SpaceOB300/425 OB430 OB530UMB Space Available64k 64k + 32k 112k contiguousDOS Conventional MemoryOB300 OB425 OB430 OB53

69Appendix B - Power On Self Test CodesBeep CodesBeep Codes are used to identify a Power On Self Test (POST) error thatoccurs when the screen is not a

70Display CodesThere are a number of Power On Self Test (POST) tests that are performed after the Beep Codetests. Failure of one or more of these tes

710352h kbd not connected0353h no response from kbd test0354h kbd test failederror codes 0304, 0313-0314, 0321-0323, 0331-033C werepreviously usedAUX

72Y = error type1300h error code displayed if fdc is notconfigured properly1301h error code if board is not ready1302h error code if cmos says slot is

73test (low 640k).x = 64k bank no. with problem (i.e.6204 = bank 4 is bad = addressrange 40000h to 4ffffh)6300h I/O channel check came active duringwr

2Product FeaturesOmniBook 300, 425, and 430Figure 1 - OmniBook 300, 425, and 430 Features1. Latch 11. AC adapter socket2. Display 12. Serial port conn

740a004h FXCH or FCOMP didn't work0a005h FADD didn't work0a006h FMUL didn't work0a007h FDIV didn't work0a008h FSQRT didn't wo

75Appendix C - Password PolicyIf the user forgets the system password, there is a master password that willunlock the OmniBook. The user calls Techn

76Further, you must log the name, serial number and date of the running of thedescramble program, and file the written backup with the log. The log an

77Appendix D - Part NumbersPart Number Description OB300 OB425 OB430 OB5300380-4060Standoff0515-2396Screw M2x4.6mm (T6)F1030-00016Arm Eject Mouse Spri

78Part Number Description OB300 OB425 OB430 OB530F1033-60912System ROM (ABE) SpanishF1037-60901SVC Icon Label 430 (10 pack)F1037-60902Custom Icon Kit

HP Part Number5965-0244

3OmniBook 530Figure 2 - OmniBook 530 Features1. Latch 12. Serial port connector2. Display 13. Parallel port connector3. Keyboard 14. VGA output connec