Manuale d’uso / di manutenzione del prodotto 425 del fabbricante HP (Hewlett-Packard)
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Service Manual HP OmniBook 300, 425, 430, 530.
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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. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
ii Table of Contents Table of Figures ......................................................................................................................... iv Introduction ...........................................................................
iii Appendix D - Part Numbers ....................................................................................................... 77.
iv Table of Figures Figure 1 - OmniBook 300, 425, and 430 Features ....................................................................... 2 Figure 2 - OmniBook 530 Features .............................................................................
v 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.
Part 1 Product Overview • Product Features • Product Comparisons • Product at a Glance.
2 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. Card-eject levers 15.
3 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.
4 Product Comparisons OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 Size Closed 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) 16.3 x 28.2 x 3.6 cm (6.4 x 11.1 x 1.
5 OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 the flash disk version One slot available with the hard disk version the flash disk version One slot available with the hard disk version the hard disk version drive Pre-installed Software MS © Windows 3.
6 Product at a Glance 28 14 27 29 17 32 35 33 2 6 18 19 6 2 2 2 2 2 2 2 13 10 8 34 31 23 26 24 7 13 13 16 16 1 1 1 1 9 15 4 12 3 30 20 21 22 25 5 2 13 2 2 2 10 5 11 14.
7 Description Part Number OB300 OB425 OB430 OB530 1 Standoff 0380-4060 2 Screw M2x4.6mm (T6) 0515-2396 3 Mouse 5061-4390 4 Arm Eject Mouse Spring F1030-00016 5 Pivot Door Spring F1030-00026 6 Spring C.
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Part 2 Troubleshooting • OmniBook Self Test • Troubleshooting Flowchart.
10 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.
11 Figure 3 - Serial Loop Back Connector Figure 4 - Parallel Loop Back Connector.
12 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.
13 Main Troubleshooting Flowchart START Eliminate all obvious physical problems? Isolate damage. Refer to repair process No Get user information: Name Telephone number Unit serial number Repair histor.
14 Main Troubleshooting Flowchart (continued) Parallel port operates correctly? See Parallel Port flowchart Serial port operates correctly? See Serial Port flowchart External VGA operates correctly? S.
15 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? Done Connect OB to ac adapter, plug adapt.
16 Power Source Problems (continued) Light on continuously (not intermittent)? Try different power socket See power light? Done: Power source problem Recheck cables, connections: ac adapter to Light s.
17 Power Source Problems (continued) Can you substitute known good ac adapter? See steady power light? Can you substitute known good OB? Done: Original ac adapter or cable bad Ac adapter warm? Done: S.
18 Boot-Up Problems Start : Problems during bootup Press Ctrl Alt Del to get a clean boot Hear single or multiple beeps during boot? See Windows or DOS prompt in display? OB support utility disk avail.
19 Display Problems Start: Power light on, but no display Physical inspection of display Adjust brightness and contrast controls See anything in display? Done Go to Boot-Up Problems flowchart Yes No.
20 Hard Disk Problems Start: Hard disk fails to boot up to DOS or Windows; or other hard disk problems See anything in drive C:? HP hard disk? Noisy? See "Non- system disk"? Suspect corrupt .
21 Hard Disk Problems (continued) Do hard checking. Save logs. Let SCANDISK repair errors. Do hard checking. Save logs. Let SCANDISK repair errors. A B Space available on hard disk within spec? Boot f.
22 Hard Disk Problems (continued) Remove disk from drive A: Boot from drive C: Give customer general data recovery hints DOS and Windows boot OK? C Is customer willing to reformat hard disk? Boot from.
23 Memory Problems Start: Problem with plug-in memory Intermittent problem? Yes End current session. No Run short OB memory self-test Exit software and turn off OB Remove OB battery, disconnect ac ada.
24 Memory Problems (continued) Power up OB (memory module removed) Memory problem disappears? Done: Suspect bad memory module Run short OB memory self-test (without memory module) Memory self-test OK?.
25 Power Management Problems Start: Low battery life Physical inspection: HP battery? Contacts dirty? Physically OK? Ac adapter attached to OB and wall? Attach ac adapter Has unit recharged sufficient.
26 Power Management Problems (continued) A Does battery indicator reach full charge? Ambient temperature in spec? "Bad/no battery" message? PCMCIA cards installed? Speech: PCMCIA cards can u.
27 Power Management Problems (continued) B Use MSD to determine what TSR's are running Disable TSR's Get 1-1/2 hours battery life? Get 1-1/2 hours battery life? Done Done Done: Suspect bad o.
28 Pop-Out Mouse Problems Start: OB popout mouse problem Eliminate obvious physical problems See Windows? Start Windows running Is mouse OB popout mouse? Disable other mouse Enable OB popout mouse See.
29 Pop-Out Mouse Problems (continued) A Reaches all 4 corners of screen? Can you calibrate mouse? Is mouse jittery, intermittent? Suspect bad mouse C Done: Mouse should be OK Yes Yes Yes No No No.
30 Pop-Out Mouse Problems (continued) B Suspect software configuration problem Check for correct OB mouse driver Mouse driver OK? Look at mouse in W indows Control Panel See OB punch button? Set Contr.
31 Pop-Out Mouse Problems (continued) C Clean boot: Ctrl Alt Del, press F5 when starting Run OB diagnostic program Does mouse pass all tests? Remove mouse from OB base unit, examine mouse, and reinser.
32 Floppy Drive Problems Start: External floppy disk drive problem Eliminate obvious physical problems: Cable OK? Pins not bent? Cable connected and solidly in connectors? External FDD is HP device? C.
33 Floppy Drive Problems (continued) A Clean boot: Ctrl Alt Del, press F5 during boot Run short self- test twice Can you swap with known good drive and cable? W ith original OB turned on, connect good.
34 Floppy Drive Problems (continued) B Clean boot: Ctrl Alt Del, press F5 during boot Run OB disk self-test: Put empty, known good disk, formatted for DOS, in drive.
35 Parallel Port Problems Start: Problem with parallel port Problem with Laplink Remote? Yes Physical inspection: Cable connected? Cable pins OK? No Troubleshoot Laplink Remote Clean boot: Ctrl Alt De.
36 Parallel Port Problems (continued) A Self-test OK? Done: Bad OB base unit Reconfirm: Printer plugged in? On? On line? Attach printer to desktop PC Clean boot to DOS on desktop PC: Ctrl Alt Del, pre.
37 Serial Port Problems Start: Problem with serial port Problem with Laplink Remote? Yes Physical inspection: Cable connected? Bent pins? Cable appears OK? No Troubleshoot Laplink Remote Loopback conn.
38 Serial Port Problems (continued) Ensure proper default serial port configuration Serial port works OK? Can you eliminate all potential software conflicts? Eliminate software conflicts Serial port w.
39 PCMCIA Problems Start: PCMCIA card problem Known issue with this card? Has card ever worked? No Determine type of card Seek additional information on card Remove card (with power on or off) Visuall.
40 PCMCIA Problems (continued) A Clean boot: Ctrl Alt Del, press F5 during boot Run OB self-test Self-test OK? Suspect bad card HP card? Done: Contact card vendor Done: Return card to HP B Press Ctrl .
41 PCMCIA Problems (continued) C Hardware problem? Done: Suspect bad OB base unit Software problem? Check CONFIG.SYS and AUTOEXEC.BAT Done Insert card in top slot Run CARDINFO Insert same card in bott.
42 PCMCIA Problems (continued) D Hardware problem in one slot only? Done: Suspect bad OB base unit Software problem in both slots? Software problem in one slot only? Done: Suspect software configurati.
43 IR Port Problems Start: Problem with infrared (IR) port Problem with Laplink Remote? Yes Physical inspection: IR port not covered? Painted over? Obscured? No Troubleshoot Laplink Remote Ensure oper.
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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 C AUTION : Always provide proper grounding when performing any of the following repairs.
46 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.
47 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. • To replace AA batteries, orient them as shown by the symbols in the battery compartment.
48 Memory (End User Replaceable) The OmniBook 530 uses a unique memory module that is not compatible with the OmniBook 300, 425, or 430. The table below summarizes the compatibility of the memory modules for each OmniBook model.
49 Required Equipment • Probe (or similar device) for the OmniBook 300, 425, and 430 only C AUTION : To avoid damage due to electrostatic discharge, handle the memory module by the edges only. Removal Procedure 1. Remove the battery and ac adapter from the OmniBook.
50 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.
51 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.
52 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. Replacement Procedure 1.
53 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.
54 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.
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 devices, are needed to remove the Top Case and Display Assemblies. Four plastic tabs hold the Top Case and Bottom Case together.
56 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.
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. With the Top Case partially separated, small internal parts may dislodge when the OmniBook is tilted at a sharp angle.
58 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.
59 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.
60 5. To reconnect the display cable, position a probe in the cable as shown in the below illustration. 6. Use the probe to connect the display cable into the connector as shown below.
61 8. Open the display and firmly press the Top Case and Bottom Case together around the entire parameter of the OmniBook. This will lock the tabs of the two cases.
62 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.
63 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.
64 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.
65 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.
66 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.
67 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 seek 5 ms 6 ms 6 ms NA Average Latency 6.
68 Memory Map Upper Memory Block Space OB300/425 OB430 OB530 UMB Space Available 64k 64k + 32k 112k contiguous DOS Conventional Memory OB300 OB425 OB430 OB530 Windows DOS Box (with LapLink Remote) 315.
69 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.
70 Display Codes There are a number of Power On Self Test (POST) tests that are performed after the Beep Code tests. Failure of one or more of these tests will result in a displayed failure code (such as 0240). It is extremely important not to interpret a failure code immediately as a hardware failure.
71 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 t.
72 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 1303.
73 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 = x.
74 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 inva.
75 Appendix C - Password Policy If the user forgets the system password, there is a master password that will unlock the OmniBook. The user calls Technical Support to determine this master password as follows: 1. Support will tell the user the keys to type at the password entry screen: [alt][shft][f10] 2.
76 Further, you must log the name, serial number and date of the running of the descramble program, and file the written backup with the log. The log and backup are subject to standard record retention process and review.
77 Appendix D - Part Numbers Part Number Description OB300 OB425 OB430 OB530 0380-4060 Standoff 0515-2396 Screw M2x4.6mm (T6) F1030-00016 Arm Eject Mouse Spring F1030-00026 Pivot Door Spring F1030-000.
78 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.
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HP Part Number 5965-0244.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il HP (Hewlett-Packard) 425 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del HP (Hewlett-Packard) 425 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) 425 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) 425 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) 425, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del HP (Hewlett-Packard) 425.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) 425. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) 425 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
