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    							Illustrated Parts Catalog3-7
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: J Abercrombie    Saved date: 04/06/00 3:14 PM
    Part Number: 177845-001     File name: CH03.doc
    3.6  Mass Storage Devices
    Figure 3-6.  Mass Storage Devices
    Table 3-5
    Spare Parts:  Mass Storage Devices
    Item Description Spare Part Number
    1 5.0-GB hard drive 176040-001
    2 24X CD-ROM drive (standard) 176039-001
    3 Diskette drive, 1.44-Megabyte 176047-001 
    						
    							3-8Illustrated Parts Catalog
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: J Abercrombie    Saved date: 04/06/00 3:14 PM
    Part Number: 177845-001     File name: CH03.doc
    3.7  Miscellaneous
    Table 3-6
    Spare Parts:  Miscellaneous (Not Illustrated)
    Description Spare Part Number
    Power cord, black, 6 feet 246959-XXXAustralian
    Danish
    International
    Italian
    Japanese-011
    -081
    -021
    -061
    -291Korean
    Swiss
    U.K. English
    U.S. English-AD1
    -AG1
    -031
    -001
    PC Cards
    Compaq Microcom 420 56K Global Modem
    Compaq Netelligent 10/100 TX network card
    Compaq Microcom 500 10/100 +56K combination
    modem/network interface card317900-001
    335506-B12
    321550-B21
    AC Adapter, 50 W 174371-001
    Miscellaneous Screw Kit 176050-001
    Memory expansion board
    128 MB
      64 MB
      32 MB179966-001
    179965-001
    179964-001
    Compaq Notebook 100 Maintenance & Service Guide190369-001 
    						
    							Removal and Replacement Preliminaries4-1
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Pages: 6    Words: 1247    Template: c:\msoffice	emplates
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    Part Number: 177845-001     File name: CH04.doc
    chapter
     
    4
    REMOVAL AND REPLACEMENT
    PRELIMINARIES
    This chapter provides essential information for proper and safe removal
    and replacement service.
    4.1  Tools Required
    You will need the following tools to complete the removal and
    replacement procedures:
     Magnetic Phillips screwdriver
     Tool kit (includes connector removal tool, loopback plugs, and case
    utility tool)
     4.2  Service Considerations
     Listed below are some of the considerations that you should keep in mind
    during disassembly and assembly procedures.
      IMPORTANT:  As you remove each subassembly from the computer, place
    it (and all accompanying screws) away from the work area to prevent
    damage.
     Plastic  Parts
     Using excessive force during disassembly and reassembly can damage
    plastic parts. Use care when handling the plastic parts. Apply pressure
    only at the points designated in the maintenance instructions. 
    						
    							4-2Removal and Replacement Preliminaries
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Part Number: 177845-001     File name: CH04.doc
     Cables and Connectors
     Cables must be handled with extreme care to avoid damage. Apply only
    the tension required to unseat or seat the cables during removal and
    insertion. Handle cables by the connector whenever possible. In all cases,
    avoid bending, twisting, or tearing cables. Ensure that cables are routed
    in such a way that they cannot be caught or snagged by parts being
    removed or replaced. Handle flex cables with extreme care; they tear
    easily.
     
     
     CAUTION:  When servicing the computer, ensure that cables are
    placed in their proper location during the reassembly process.
    Improper cable placement can damage the computer.
     
     4.3  Preventing Damage to Removable Drives
     Removable drives are fragile components that must be handled with care.
    To prevent damage to the computer, damage to a removable drive, or loss
    of information, observe these precautions:
     Before removing or inserting a hard drive, shut down the computer.
    If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, then shut it down.
     Before removing a diskette drive or CD-ROM drive, ensure that a
    diskette or disc is not in the drive. Ensure that the CD-ROM tray is
    closed.
     Before handling a drive, ensure that you are discharged of static
    electricity. While handling a drive, avoid touching the connector.
     Handle drives on surfaces that have at least one inch of shock-proof
    foam.
     Avoid dropping drives from any height onto any surface. 
    						
    							Removal and Replacement Preliminaries4-3
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Part Number: 177845-001     File name: CH04.doc
     After removing a hard drive, place it into a static-proof bag.
     After removing a CD-ROM drive or a diskette drive, place it into a
    static-proof bag.
     Do not use excessive force when inserting a drive into a drive bay.
     Avoid exposing a hard drive to products that have magnetic fields
    such as monitors or speakers.
     Avoid exposing a drive to temperature extremes or to liquids.
     If a drive must be mailed, do the following:  place the drive into a
    bubble pack mailer or other suitable form of protective packaging;
    label the package “Fragile: Handle With Care.”
     4.4  Preventing Electrostatic Damage
     Many electronic components are sensitive to electrostatic discharge
    (ESD). Circuitry design and structure determine the degree of sensitivity.
    Networks built into many integrated circuits provide some protection, but
    in many cases the discharge contains enough power to alter device
    parameters or melt silicon junctions.
     A sudden discharge of static electricity from a finger or other conductor
    can destroy static-sensitive devices or microcircuitry. Often the spark is
    neither felt nor heard, but damage occurs. An electronic device exposed
    to electrostatic discharge may not be affected at all and can work
    perfectly throughout a normal cycle. It may function normally for a
    while, then degrade in the internal layers, reducing its life expectancy. 
    						
    							4-4Removal and Replacement Preliminaries
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Part Number: 177845-001     File name: CH04.doc
     4.5  Packaging and Transporting Precautions
     Use the following grounding precautions when packaging and
    transporting equipment:
     To avoid hand contact, transport products in static-safe containers
    such as tubes, bags, or boxes.
     Protect all electrostatic-sensitive parts and assemblies with
    conductive or approved containers or packaging.
     Keep electrostatic-sensitive parts in their containers until they arrive
    at static-free workstations.
     Place items on a grounded surface before removing them from their
    container.
     Always be properly grounded when touching a sensitive component
    or assembly.
     Place reusable electrostatic-sensitive parts from assemblies in
    protective packaging or non-conductive foam.
     Use transporters and conveyers made of antistatic belts and roller
    bushings. Ensure that mechanized equipment used for moving
    materials is wired to ground, and that proper materials were selected
    to avoid static charging. When grounding is not possible, use an
    ionizer to dissipate electric charges.
     4.6  Workstation Precautions
     Use the following grounding precautions at workstations:
     Cover the workstation with approved static-dissipative material
    (refer to Table 4-2 later in this chapter).
     Use a wrist strap connected to a properly grounded work surface and
    use properly grounded tools and equipment.
     Use field service tools, such as cutters, screwdrivers, and vacuums
    that are conductive.
     When using fixtures that must directly contact dissipative surfaces,
    use fixtures made of static-safe materials only.
     Keep work area free of nonconductive materials such as ordinary
    plastic assembly aids and Styrofoam.
     Handle electrostatic-sensitive components, parts, and assemblies by
    the case or PCM laminate. Handle them only at static-free
    workstations. 
    						
    							Removal and Replacement Preliminaries4-5
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Part Number: 177845-001     File name: CH04.doc
     Avoid contact with pins, leads, or circuitry.
     Turn off power and input signals before inserting or removing
    connectors or test equipment.
     4.7  Grounding Equipment and Methods
     Grounding equipment must include either a wrist strap or a foot strap at a
    grounded workstation.
     When seated, wear a wrist strap connected to a grounded system.
    Wrist straps are flexible straps with a minimum of one megaohm
    ±10% resistance in the ground cords. To provide proper ground,
    wear a strap snug against the skin at all times. On grounded mats
    with banana-plug connectors, connect a wrist strap with alligator
    clips.
     When standing, use foot straps and a grounded floor mat. Foot straps
    (heel, toe, or boot straps) can be used at standing workstations and
    are compatible with most types of shoes or boots. On conductive
    floors or dissipative floor mats, use them on both feet with a
    minimum of one-megohm resistance between the operator and
    ground. To be effective, the conductive strips must be worn in
    contact with the skin.
     Other grounding equipment recommended for use in preventing
    electrostatic damage include:
     Antistatic tape
     Antistatic smocks, aprons, or sleeve protectors
     Conductive bins and other assembly or soldering aids
     Non-conductive foam
     Conductive tabletop workstations with ground cord of one-megohm
    resistance
     Static-dissipative table or floor mats with hard tie to ground
     Field service kits
     Static awareness labels
     Material-handling packages
     Non-conductive plastic bags, tubes, or boxes
     Metal tote boxes
     Electrostatic Voltage Levels and Protective Materials 
    						
    							4-6Removal and Replacement Preliminaries
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    Writer: David Calvert    Saved by: David Calvert    Saved date: 03/28/00 9:38 AM
    Part Number: 177845-001     File name: CH04.doc
    Table 4-1 shows how humidity affects the electrostatic voltage levels
    generated by different activities.
    Table 4-1
    Typical Electrostatic Voltage Levels
    Relative Humidity
    Event 10% 40% 55%
    Walking across carpet 35,000 V 15,000 V 7,500 V
    Walking across vinyl floor 12,000 V   5,000 V 3,000 V
    Motions of bench worker   6,000 V      800 V    400 V
    Removing DIPS from plastic
    tube  2,000 V      700 V    400 V
    Removing DIPS from vinyl tray 11,500 V   4,000 V 2,000 V
    Removing DIPS from Styrofoam 14,500 V   5,000 V 3,500 V
    Removing bubble pack from
    PCB26,500 V 20,000 V 7,000 V
    Packing PCBs in foam-lined
    box21,000 V 11,000 V 5,000 V
    NOTE:  A product can be degraded 700 volts.
    Table 4-2 lists the shielding protection provided by antistatic bags and
    floor mats.
    Table 4-2
    Static-Shielding Materials
    Material Use Voltage Protection Level
    Antistatic plastic Bags  1,500 V
    Carbon-loaded plastic Floor mats  7,500 V
    Metallized laminate Floor mats 15,000 V 
    						
    							Removal and Replacement Procedures5-1
    COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
    Writer: David Calvert    Saved by: JAbercrombie    Saved date: 04/05/00 1:32 PM
    Pages: 42    Words: 2810    Template: c:\msoffice	emplates
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    Part Number: 177845-001     File name: CH05.doc
    Chapter
     
    5
    REMOVAL AND REPLACEMENT PROCEDURES
    This chapter provides removal and replacement procedures for the
    Compaq Notebook 100 Series.
    5.1  Serial Number
    Report the computer serial number to Compaq when requesting
    information or ordering spare parts. The serial number is located on the
    bottom of the computer (Figure 5-1).
    Figure 5-1.  Serial Number Location 
    						
    							5-2Removal and Replacement Procedures
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    Writer: David Calvert    Saved by: JAbercrombie    Saved date: 04/05/00 1:32 PM
    Part Number: 177845-001     File name: CH05.doc
    5.2  Disassembly Reference Chart
    Use the chart below to determine the section number to be referenced
    when removing components from the computer.
    5.3  Preparing the Computer for Disassembly
    5.4  Battery Pack
    5.5  Modem
    5.6  Fan Assembly
    5.7  CD-ROM Drive
    5.8  Processor
    5.9  Memory
    Removing a Memory Expansion Board
    Installing a Memory Expansion Board
    5.10  Top Cover
    5.11  Hard Drive
    5.12  Real Time Clock (RTC) Battery
    5.13  Keyboard
    5.14  EMI Shield
    5.15  TouchPad
    5.16  Speakers
    5.17  Display Assembly
    5.18  Speaker Housing
    5.19  System Board
    5.20  Diskette Drive 
    						
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