HP Pavilion Dv7 2100 Entertainment Notebook Pc Series Manual
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Spare part numberDescription 516357-A41Keyboard for use in white computers in Belgium 516357-AD1Keyboard for use in white computers in South Korea 516357-B31Keyboard for use white computers internationally 516357-BB1Keyboard for use in white computers in Israel 516357-DH1Keyboard for use in white computers in Denmark, Norway, and Sweden 516357-DJ1Keyboard for use in white computers in Greece 516360-001Top cover for use only with white computer models not equipped with a fingerprint reader 516443-001Display enclosure for use in white computers with flush glass displays (includes wireless antenna transceivers and cables and logo LED board and cable) 516444-001Display Hinge Kit for use in computers with flush glass displays 516876-001Fan/heat sink assembly for use in computers with discrete graphics subsystems 517638-001Bluetooth module cable 517639-001Hard Drive Hardware Kit (includes left and right bracket rails, connector cable, Mylar cover with tab, and 4 rubber isolators) 518162-001Primary hard drive cover 518164-001Secondary hard drive cover 518165-001Power button board for use in computers with UMA graphics subsystems 518166-001Audio/infrared board for use in computers with UMA graphics subsystems (includes cable) 518168-001USB board for use in computers with UMA graphics subsystems (includes cable) 519259-00117.3-inch HD+ BrightView display assembly for use in black computers 519260-00117.3-inch HD+ flush glass AntiGlare display assembly for use in black computers 519261-001Display enclosure for use in black computers with BrightView displays (includes wireless antenna transceivers and cables and logo LED board and cable 519262-001Display enclosure for use in black computers with flush glass displays (includes wireless antenna transceivers and cables and logo LED board and cable) 519265-001Black molded keyboard for use in the United States 519265-031Black molded keyboard for use in the United Kingdom 519265-041Black molded keyboard for use in Germany 519265-051Black molded keyboard for use in France 519265-061Black molded keyboard for use in Italy 519265-071Black molded keyboard for use in Spain 519265-111Black molded keyboard for use in Switzerland 519265-131Black molded keyboard for use in Portugal 519265-141Black molded keyboard for use in Turkey 519265-211 Black molded keyboard for use in Hungary Sequential part number listing 33
Spare part numberDescription 519265-221Black molded keyboard for use in the Czech Republic 519265-251Black molded keyboard for use in Russia 519265-A41Black molded keyboard for use in Belgium 519265-B31Black molded keyboard for use internationally 519265-BB1Black molded keyboard for use in Israel 519265-DJ1Black molded keyboard for use in Greece 519266-001Black painted keyboard for use in the United States 519266-031Black painted keyboard for use in the United Kingdom 519266-041Black painted keyboard for use in Germany 519266-051Black painted keyboard for use in France 519266-061Black painted keyboard for use in Italy 519266-071Black painted keyboard for use in Spain 519266-121Black painted keyboard for use in French Canada 519266-131Black painted keyboard for use in Portugal 519266-141Black painted keyboard for use in Turkey 519266-171Black painted keyboard for use in Saudi Arabia 519266-211Black painted keyboard for use in Hungary 519266-221Black painted keyboard for use in the Czech Republic 519266-251Black painted keyboard for use in Russia 519266-281Black painted keyboard for use in Thailand 519266-291Black painted keyboard for use in Japan 519266-A41Black painted keyboard for use in Belgium 519266-AD1Black painted keyboard for use in South Korea 519266-B31Black painted keyboard for use internationally 519266-BB1Black painted keyboard for use in Israel 519266-BG1Black painted keyboard for use in Switzerland 519266-DH1Black painted keyboard for use in the Netherlands 519266-DJ1Black painted keyboard for use in Greece 519267-001Top cover for use only with black computer models equipped with a fingerprint reader; includes fingerprint reader board 519268-001Top cover for use only with black computer models not equipped with a fingerprint reader 519269-001Switch cover for use in black computers (includes LED board and cable) 519481-001Optical drive board for computers with discrete graphics subsystems 531764-001 Display Screw Kit for use in computers with flush glass displays 34 Chapter 3 Illustrated parts catalog
Spare part numberDescription 535085-001Optical drive board for computers with UMA graphics subsystems 535086-001Base enclosure for use only in full-featured computer models equipped with an Intel Core2 Duo processor 536857-001Power connector cable 537844-001 Display hinge cover for use in computers with a flush glass display Sequential part number listing 35
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the following tools to complete the removal and replacement procedures: ●Magnetic screwdriver ●Phillips P0 and P1 screwdrivers ●Flat-bladed screwdriver Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures. NOTE:As you remove each subassembly from the computer, place the subassembly (and all accompanying screws) away from the work area to prevent damage. Plastic parts CAUTION: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. 36 Chapter 4 Removal and replacement procedures
Cables and connectors CAUTION:When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. 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. Be sure 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; these cables tear easily. Drive handling CAUTION:Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a 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, and then shut it down through the operating system. Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the connector. Before removing a diskette drive or optical drive, be sure that a diskette or disc is not in the drive and be sure that the optical drive tray is closed. Handle drives on surfaces covered with at least one inch of shock-proof foam. Avoid dropping drives from any height onto any surface. After removing a hard drive, an optical drive, or a diskette drive, place it in a static-proof bag. Avoid exposing a hard drive to products that have magnetic fields, such as monitors or speakers. Avoid exposing a drive to temperature extremes or liquids. If a drive must be mailed, place the drive in a bubble pack mailer or other suitable form of protective packaging and label the package “FRAGILE.” Preliminary replacement requirements 37
Grounding guidelines Electrostatic discharge damage 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, ESD contains enough power to alter device parameters or melt silicon junctions. A discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry. Even if the spark is neither felt nor heard, damage may have occurred. An electronic device exposed to ESD may not be affected at all and can work perfectly throughout a normal cycle. Or the device may function normally for a while, then degrade in the internal layers, reducing its life expectancy. CAUTION:To prevent damage to the computer when you are removing or installing internal components, observe these precautions: Keep components in their electrostatic-safe containers until you are ready to install them. Use nonmagnetic tools. Before touching an electronic component, discharge static electricity by using the guidelines described in this section. Avoid touching pins, leads, and circuitry. Handle electronic components as little as possible. If you remove a component, place it in an electrostatic-safe container. The following table shows how humidity affects the electrostatic voltage levels generated by different activities. CAUTION:A product can be degraded by as little as 700 V. Typical electrostatic voltage levels Relative humidity Event10%40%55% Walking across carpet35,000 V15,000 V7,500 V Walking across vinyl floor12,000 V5,000 V3,000 V Motions of bench worker6,000 V800 V400 V Removing DIPS from plastic tube2,000 V700 V400 V Removing DIPS from vinyl tray11,500 V4,000 V2,000 V Removing DIPS from Styrofoam14,500 V5,000 V3,500 V Removing bubble pack from PCB26,500 V20,000 V7,000 V Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V 38 Chapter 4 Removal and replacement procedures
Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment: ●To avoid hand contact, transport products in static-safe tubes, bags, or boxes. ●Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging. ●Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations. ●Place items on a grounded surface before removing items from their containers. ●Always be properly grounded when touching a component or assembly. ●Store reusable ESD-sensitive parts from assemblies in protective packaging or nonconductive foam. ●Use transporters and conveyors made of antistatic belts and roller bushings. Be sure that mechanized equipment used for moving materials is wired to ground and that proper materials are selected to avoid static charging. When grounding is not possible, use an ionizer to dissipate electric charges. Workstation guidelines Follow these grounding workstation guidelines: ●Cover the workstation with approved static-shielding material. ●Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ●Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ●When fixtures must directly contact dissipative surfaces, use fixtures made only of static-safe materials. ●Keep the work area free of nonconductive materials, such as ordinary plastic assembly aids and Styrofoam. ●Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ●Avoid contact with pins, leads, or circuitry. ●Turn off power and input signals before inserting or removing connectors or test equipment. Preliminary replacement requirements 39
Equipment guidelines 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 megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at all times. On grounded mats with banana-plug connectors, use alligator clips to connect a wrist strap. ●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 foot straps 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. The following grounding equipment is recommended to prevent electrostatic damage: ●Antistatic tape ●Antistatic smocks, aprons, and sleeve protectors ●Conductive bins and other assembly or soldering aids ●Nonconductive foam ●Conductive tabletop workstations with ground cords of one megohm resistance ●Static-dissipative tables or floor mats with hard ties to the ground ●Field service kits ●Static awareness labels ●Material-handling packages ●Nonconductive plastic bags, tubes, or boxes ●Metal tote boxes ●Electrostatic voltage levels and protective materials The following table lists the shielding protection provided by antistatic bags and floor mats. MaterialUseVoltage protection level Antistatic plasticBags1,500 V Carbon-loaded plasticFloor mats7,500 V Metallized laminate Floor mats 5,000 V 40 Chapter 4 Removal and replacement procedures
Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 110 screws, in 13 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Service tag When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag. (1) Product name: This is the product name affixed to the front of the computer. (2) Serial number (s/n): This is an alphanumeric identifier that is unique to each product. (3) Part number/Product number (p/n): This number provides specific information about the products hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the alphanumeric identifier needed to locate documents, drivers, and support for the computer. (5) Warranty period: This number describes the duration of the warranty period for the computer. Component replacement procedures 41
Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Feet Kit, spare part number 516326-001. There are 4 rubber feet that attach to the base enclosure in the locations illustrated below. 42 Chapter 4 Removal and replacement procedures