IBM Z50 user manual

User manual for the device IBM Z50

Device: IBM Z50
Size: 1,87 MB
Date of adding : 2014-08-27 17:55:43
Number of pages: 77
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IBM Z50 user manual
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Abstracts of contents
Summary of the content on the page No. 1



S37L-2095-00
IBM Mobile Systems
WorkPad z50 Mobile Companion (2608-1Ax)
Hardware Maintenance Manual


March 1999

Summary of the content on the page No. 2

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 61. First Edition (March 1999) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MERCHANTABILI

Summary of the content on the page No. 3

About This Manual This manual contains service and reference information for the WorkPad z50, Mobile Companion. Use this manual along with the diagnostic software to troubleshoot problems effectively. This manual is divided into sections as follows: • The Introduction section provides general information, and safety information required to service computers. • The product-specific section includes service, reference, and product-specific parts information. Important This manual is intended for

Summary of the content on the page No. 4

Contents Introduction ......................................................................... vii IMPORTANT SERVICE INFORMATION VII FRU Replacement Strategy .......................................................vii SAFETY NOTICES (MULTI-LINGUAL TRANSLATIONS) VIII SAFETY INFORMATION XII General Safety............................................................................xii Electrical Safety ........................................................................xiii Safety Inspection Gui

Summary of the content on the page No. 5

1040 Keyboard Assembly.........................................................39 1050 Bottom Cover...................................................................40 1060 Mainboard .......................................................................42 1070 LCD Bezel ........................................................................43 1080 LCD Unit..........................................................................44 1090 Inverter Card and LCD Panel .......................

Summary of the content on the page No. 6

Introduction Important Service Information Important Software fixes are customer installable. Such fixes are located on the PC Company Bulletin Board Service (BBS). The direct line for modem connection is 919-557- 0001 or tieline 255-0001 (IBM internal phone number). Advise customers to contact the PC Company HelpCenter at 800-722-2227 if they need assistance in obtaining or installing software fixes. Customers in Canada should call IBM HelpPC at 800-565- 3344 for assistance or down-load infor

Summary of the content on the page No. 7

Safety Notices (Multi-lingual Translations) In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in this section. The following safety notices are provided in English, French, German, Italian, and Spanish languages. Safety Notice 1 Before the computer is powered-on after FRU replacement, make sure all screws, springs, or other small parts are in place and are not left loose inside the computer. Verify this

Summary of the content on the page No. 8

Safety Notice 2 The battery pack contains small amounts of harmful substances. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l'exposez ni au feu ni á l'eau. Ne la mettez pas en

Summary of the content on the page No. 9

Safety Notice 3 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes. Seek medical care if any symptoms from the fluid are present after washing. Si le panneau d'aftichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes. Consultez un médecin si des symptômes persistent apres le lav

Summary of the content on the page No. 10

Safety Notice 5 Though main batteries have low voltage, a shorted or grounded battery can produce enough current to burn combustible materials or personnel. Bien que le voltage des batteries principales soit peu élevé, le court-circuit ou la mise à la masse d'une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves. Obwohl Hauptbatterien eine niedrige Spannung haben, können sie doch bei Kurzschluß oder Erdung genug Strom

Summary of the content on the page No. 11

Safety Information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer. General Safety Follow these rules to ensure general safety: • Observe good housekeeping in the area of the machines during and after maintenance. • When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist

Summary of the content on the page No. 12

Electrical Safety Observe the following rules when working on electrical equipment. Important Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock. • Find the room emergenc

Summary of the content on the page No. 13

• Regularly inspect and maintain your electrical hand tools for safe operational condition. • Do not use worn or broken tools and testers. • Never assume that power has been disconnected from a circuit. First, check that it has been powered- off. • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surf

Summary of the content on the page No. 14

The guide consists of a series of steps presented in a checklist. Begin the checks with the power off, and the power cord disconnected. Checklist: 1. Check exterior covers for damage (loose, broken, or sharp edges). 2. Power-off the computer. Disconnect the power cord. 3. Check the power cord for: a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and frame ground. b. The power cord should

Summary of the content on the page No. 15

Handling Electrostatic Discharge-Sensitive Devices Any computer part containing transistors or integrated circuits (Ics) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes 1. Use product-specific ESD procedures when they exceed the requirements

Summary of the content on the page No. 16

WorkPad z50 Mobile Companion (2608) Read This First Before you go to the checkout guide, be sure to read this section. Important • Only certified trained personnel should service the computer. • Read FRU service procedures before replacing any FRUs. • Replace FRUs only for the correct model. When you replace the FRU, make sure the model of the machine and FRU part number are correct by referring to the parts list. • FRUs should not be replaced because of a single, unreproducible failure. Single

Summary of the content on the page No. 17

Screw Tightening Information Loose screws can cause reliability problems. The IBM WorkPad z50 addresses this problem with nylon coated screws. Tighten screws as follows: Plastic to Plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part. 90 Degrees More Plastic Logic card to Plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card. 180 Degrees More Logic Card Plastic Torque Driver If you have a torque driver, r

Summary of the content on the page No. 18

Attention Pushing the WorkPad z50’s Power button will power on (or resume) the system, or put the system in suspend mode: there is no power-off state. If the AC Adapter, battery pack, and backup battery are removed, the system is reset and all the stored data is lost. There is no lithium battery to retain memory while these power sources are removed. What to Do First: The service personnel must fill in the following information in the parts exchange form or parts return form that is attached t

Summary of the content on the page No. 19

The following symptoms might indicate damage caused by non warranted activities: Missing parts may be a symptom of unauthorized service or modification. Attention When resetting the system, all programs and stored data other than the operating system will be erased. Any password that is set for testing purposes should be disabled before returning the WorkPad z50 to the customer. 4 IBM WorkPad z50, Mobile Companion 4

Summary of the content on the page No. 20

Product Overview Refer to the following table for an overview of the system features of the WorkPad z50 Mobile Companion: Feature Description Processor NEC VR4121 Chipset NEC VRC4171A ITE IT8181 Graphic/Video Controller OS/APP ROM 20MB (32MB Japan) Memory 16MB Upgradable to 48MB Storage Memory CompactFlash Type II socket PC Card One type III slot I/O Ports RJ-11 Modem port (US/Canada/ Japan models only) Infrared Serial port External display port Cradle connector Audio External earphone jack Exte


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