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Lenovo 8253 manual

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Table of contents for the manual

  • Page 1

    Hardw are Replacement Guide Leno v o 3000 J Series T ypes 8252, 8253, 8254, 8257, 8258, 8259[...]

  • Page 2

    [...]

  • Page 3

    Le n o v o 3 000 J Ser ie s[...]

  • Page 4

    First Edition (December 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services ar e provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to the GSA ADP Schedule contr[...]

  • Page 5

    Contents Overview . . . . . . . . . . . . . .v Safety information for replacing CRUs . . . . . .v Safety information for replacing FRUs . . . . . .v Additional information resour ces . . . . . . .v T ools required . . . . . . . . . . . . .v i Handling static-sensitive devices . . . . . . .v i Chapter 1. Locations . . . . . . . . .1 Locating the con[...]

  • Page 6

    iv Hardwar e Replacement Guide[...]

  • Page 7

    Overview This guide is intended to be used by customers who are r eplacing Customer Replaceable Units (CRUs) as well as trained service personnel who are r eplacing Field Replaceable Units (FRUs). In this document, CRUs and FRUs will be referr ed to as parts. Note: T rained service personnel should refer to the Hardwar e Maintenance Manual (HMM) fo[...]

  • Page 8

    T ools required To replace some parts in your computer , you might need a flat-blade or Phillips screwdriver . Additional tools might be needed for certain parts. Handling static-sensitive devices Static electricity , although harmless to you, can seriously damage computer components and parts. When replacing a part, do not open the static-pr otect[...]

  • Page 9

    Chapter 1. Locations This chapter provides illustrations to help locate the various connectors, contr ols and components of the computer . To open the computer cover , see “Removing the cover” on page 7. Locating the connectors on the front of your computer The following illustration shows the location of connectors on the front of the computer[...]

  • Page 10

    Locating the connectors on the rear of your computer The following illustration shows the location of connectors on the rear of the computer . 1 Power connector 9 Ethernet connector 2 V oltage switch 10 USB connectors 3 Mouse connector 11 Microphone connector 4 Keyboard connector 12 Audio line out con[...]

  • Page 11

    Locating components The following illustration will help you locate the various components in your computer . 1 Micropr ocessor and heat sink 4 PCI connectors 2 Memory modules 5 PCI adapter 3 AGP connector 6 Power supply Chapter 1. Locations 3[...]

  • Page 12

    Identifying parts on the system board The system board (sometimes called the planar or motherboar d) is the main circuit board in your computer . It provides basic computer functions and supports a variety of devices. The following illustration shows the locations of parts on the system board for some models. 1 Micropr ocessor and heat sink ?[...]

  • Page 13

    The following illustration shows the locations of parts on the system board for some models. 1 Micropr ocessor and heat sink 11 Front panel connector 2 Micropr ocessor fan connector 12 Power LED connector 3 Memory connector 1 13 Clear CMOS/Recovery jumper 4 Memory connector 2 14 Front USB connectors ([...]

  • Page 14

    6 Hardwar e Replacement Guide[...]

  • Page 15

    Chapter 2. Replacing hardware Attention Do not open your computer or attempt any repair befor e reading the “Important safety information” in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer . To obtain copies of the Quick Reference or HMM , go to http://www .lenovo.com/suppor[...]

  • Page 16

    4. Remove the two screws at the rear of the left side cover and slide the cover to the rear to r emove. Replacing a memory module Attention Do not open your computer or attempt any repair befor e reading the “Important safety information” in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual (HMM) for[...]

  • Page 17

    2. Remove the memory module being replaced by opening the retaining clips as shown. 3. Position the replacement memory module over the memory connector . Make sure that the notch 1 on the memory module aligns corr ectly with the connector key 2 on the system board. Push the memory module straight down into the memory connector until the[...]

  • Page 18

    This section provides instr uctions on how to replace a PCI adapter . 1. Remove the computer cover . See “Removing the cover” on page 7. 2. Remove screw from adapter . 3. Remove the adapter by pulling it straight out of the adapter connector . 4. Remove the new adapter from its static-protective package. 5. Install the new adapter into the appr[...]

  • Page 19

    3. Locate the keyboard connector . Note: Y our keyboard might be connected to a standar d keyboard connector 1 or a USB connector 2 . Depending on where your keyboar d is connected, see “Locating the connectors on the rear of your computer” on page 2 or “Locating the connectors on the front of your computer” on page 1. 4. Discon[...]

  • Page 20

    5. Connect the new mouse to the appropriate connector on the computer . 6. Go to “Completing the parts replacement.” Completing the parts replacement After working with parts, you need to replace the computer cover and r econnect any cables, including telephone lines and power cords. Also, depending on the part that was replaced, you might need[...]

  • Page 21

    Appendix. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the products and services curr ently available in your area. Any refer ence to a Lenovo product, pr ogram, or service is not intended to state or imply that only that L[...]

  • Page 22

    vary significantly . Some measurements may have been made on development-level systems and there is no guarantee that these measur ements will be the same on generally available systems. Furthermore, some measur ements may have been estimated through extrapolation. Actual r esults may vary . Users of this document should verify the applicable data [...]

  • Page 23

    [...]

  • Page 24

    Part Number: 41T3793 Printed in USA (1P) P/N: 41T3793[...]