Dell Latitude C800 Service Manual
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Dell Latitude C800 Service Manual

Dell Latitude C800 Service Manual

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  • Page 1 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 2 Dell™ Latitude™ C800 SERVICE MANUAL www.dell.com support.dell.com...
  • Page 4 Dell™ Latitude™ C800 SERVICE MANUAL www.dell.com support.dell.com...
  • Page 5 Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell , the DELL logo, and Latitude are trademarks of Dell Computer Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.

  • Page 6: Table Of Contents

    Contents 1 Before You Begin Preparing to Work Inside the Computer ....Recommended Tools ......Screw Identification .
  • Page 7 Display and Bezel Assemblies ....Removing the Hinge Cover ....Removing the Display Assembly .
  • Page 8 Replacing the LED Board ....5 2 Fan Assembly ......5 2 Removing the Fan Assembly .

  • Page 10: Before You Begin

    S E C T I O N 1 B e f o r e Y o u B e g i n Preparing to Work Inside the Computer Recommended Tools Screw Identification...

  • Page 11: Preparing To Work Inside The Computer

    Computer NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

  • Page 12: Recommended Tools

    Recommended Tools The procedures in this manual require the following tools: • #1 magnetized Phillips screwdriver • Small flat-blade screwdriver • Small plastic scribe • Microprocessor extractor • Nonmarring tool • Flash BIOS upgrade program diskette or CD (provided when needed to upgrade the system BIOS) S y s t e m O r i e n t a t i o n back of computer...

  • Page 13: Screw Identification

    Screw Identification When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the component screws.The placemat provides the number of screws and the sizes. S c r e w I d e n t i f i c a t i o n NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length.
  • Page 14 Screw Placement Map Hard Drive Door Security: Keyboard to Bottom Case Display to Base: Assembly: M3.0 x 5 mm (1 each) M2.5 x 6 mm (3 each; 2 at back M2.5 x 20 mm (4 each; one in of system; 1 at flex cable strain memory door and one in mini- relief) PCI door)
  • Page 15 B ef or e Yo u B e g i n...

  • Page 16: Removing And Replacing Parts

    S E C T I O N 2 R e m o v i n g a n d R e p l a c i n g P a r t s System Components Hard Drive Fixed Optical Drive Memory Module Mini PCI Card Assembly Keyboard Assembly...

  • Page 17: System Components

    System Components E x p l o d e d V i e w display assembly keyboard hinge cover palmrest assembly thermal cooling assembly fixed optical drive system board modular device hard drive bottom case assembly main battery Rem o vi n g an d Rep l a ci n g Pa rt s...

  • Page 18: Hard Drive

    NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Unless otherwise noted, each procedure in this manual assumes that a part can be replaced by performing the removal procedure in reverse order.

  • Page 19: Removing The Hard Drive

    Removing the Hard Drive Follow the instructions in “Preparing to Work Inside the Computer.” Remove the drive door screw. Pull the hard drive out. Replacing the Hard Drive Gently push the hard drive into the drive bay until the drive door is flush with the computer case.

  • Page 20: Removing The Fixed Optical Drive

    Removing the Fixed Optical Drive Follow the instructions in “Preparing to Work Inside the Computer.” Loosen the captive screw on the bottom of the computer. NOTICE: To keep the pull tab from catching on the captive screw, turn the computer over before removing the fixed optical drive. Turn the computer over, pull out the pull tab, and use the pull tab to remove the fixed optical drive.

  • Page 21: Removing The Memory Modules

    Follow the instructions in “Preparing to Work Inside the Computer.” Remove the screw. Disengage the metal tabs at the opposite end of the cover. M e m o r y M o d u l e s memory DIMM B module sockets (2) DIMM A tabs (2 per...

  • Page 22: Mini Pci Card Assembly

    NOTE: Memory modules are keyed to fit into their sockets in only one direction. Insert the memory module’s edge connector into the socket slot at a 45-degree angle and press the module firmly into the slot. Pivot the module down until it clicks into place. If you do not hear a click, remove the module and reinstall it.

  • Page 23: Removing The Mini Pci Card Assembly

    M i n i P C I C a r d C o v e r 20-mm screw Removing the Mini PCI Card Assembly Follow the instructions in “Preparing to Work Inside the Computer.” Remove the Mini PCI Card cover. To release the Mini PCI Card assembly, spread the metal securing tabs until the assembly pops up slightly.

  • Page 24: Replacing The Mini Pci Card Assembly

    Replacing the Mini PCI Card Assembly Align the Mini PCI Card assembly with the socket at a 45-degree angle, and press the Mini PCI Card into the socket. Depending on what type of Mini PCI Card you are installing, either connect the wiring harness to the Mini PCI Card assembly, or connect the mini-coax antenna cable from the Mini PCI Card assembly to the internal antenna.

  • Page 25: Keyboard Assembly

    M i n i - P C I W i r e l e s s N I C A s s e m b l y U s i n g A n t e n n a C a b l e connection to internal system antenna mini-coax...

  • Page 26: Removing The Keyboard Assembly

    K e y b o a r d S c r e w s 20-mm screws (4) Removing the Keyboard Assembly Follow the instructions in “Preparing to Work Inside the Computer.” Turn the computer over and remove the four screws labeled with a “circle K.”...
  • Page 27 K e y b o a r d R e m o v a l scalloped edge of blank key keyboard right side of computer Lift the right end of the keyboard and slide it slightly toward the right side of the computer to disengage the tabs at the left end. Pivot the keyboard and balance it upright on the left side of the computer.

  • Page 28: Replacing The Keyboard Assembly

    K e y b o a r d C a b l e keyboard cable Disconnect the keyboard cable and lay the keyboard assembly aside. Replacing the Keyboard Assembly While bracing the keyboard assembly upright on its left end, connect the keyboard cable to the interface connector on the system board.

  • Page 29: Display And Bezel Assemblies

    Display and Bezel Assemblies NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer. D i s p l a y A s s e m b l y display display...

  • Page 30: Removing The Hinge Cover

    Removing the Hinge Cover H i n g e C o v e r hinge cover Follow the instructions in “Preparing to Work Inside the Computer.” Use a nonmarring tool to loosen the hinge cover at the back and at each side of the computer.

  • Page 31: Removing The Display Assembly

    Removing the Display Assembly D i s p l a y A s s e m b l y 6-mm screws (2) Remove the hinge cover. NOTICE: Make sure you remove the flex cable before you remove the display assembly. Rem o vi n g an d Rep l a ci n g Pa rt s...
  • Page 32 F l e x C a b l e 6-mm screw pull loop flex cable strain relief Remove the 6-mm screw that secures the display flex cable to the strain relief, and then use the pull loop to remove the display flex cable from the graphics card.

  • Page 33: Removing The Display Assembly Bezel

    D i s p l a y A s s e m b l y B e z e l a n d Pa n e l 4-mm screws (6) rubber screw covers (4) plastic screw display assembly bezel covers (2) plastic tabs (6) display panel...

  • Page 34: Removing The Display Panel

    Remove the four 4-mm screws located across the top of the bezel. Use a scribe at the indentations to pry out the two plastic screw covers located at the bottom of the bezel. Remove the two 4-mm screws located at the bottom of the bezel. Separate the bezel from the display-assembly top cover.

  • Page 35: Replacing The Display Panel

    F l e x C a b l e C o n n e c t o r s o n D i s p l a y Pa n e l ZIF connector standard connector Replacing the Display Panel NOTE: Use a magnetic screwdriver to reassemble the display panel in the display.

  • Page 36: Removing The Display Latch

    Reinstall the 4-mm screw that secures the flex cable mounting bracket to the top cover. Starting on the left side, use a magnetic screwdriver to reinstall the six 3-mm screws that secure the display panel in the top cover. Reinstall the display flex cable strain-relief screw and reconnect the flex cable to the graphics card.

  • Page 37: Microprocessor Thermal Cooling Assembly

    Microprocessor Thermal Cooling Assembly NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer. R e t a i n i n g C l i p microprocessor retaining clip...

  • Page 38: Microprocessor Module

    Insert a flat-blade screwdriver into the latch mechanism at the left side of the microprocessor retaining clip. Pry open the clip by pivoting the top of the screwdriver toward the right side of the computer. M i c r op r o c e s s o r T h e r m a l C o o l i n g A s s e m b l y microprocessor thermal cooling assembly...

  • Page 39: Removing The Microprocessor Module

    M i c r o p r o c e s s o r M o d u l e Removing the Microprocessor Module Follow the instructions in “Preparing to Work Inside the Computer.” Remove the keyboard. Remove the hinge cover.

  • Page 40: Replacing The Microprocessor Module

    BIOS after replacing the microprocessor module. For instructions on updating or reflashing the BIOS, see the Dell Portable Computer BIOS Update Guide . NOTICE: Proper seating of the microprocessor module does not require force.

  • Page 41: Video Graphics Board

    NOTICE: Hold the microprocessor down while turning the cam lock screw to prevent intermittent contact between the cam lock screw and microprocessor (see “Microprocessor Cam Lock Screw”). Tighten the cam lock screw. NOTICE: Do not over- or undertighten the screw. Tighten it until the screw indicator points to the “closed”...

  • Page 42: Removing The Video Graphics Board

    Separate the video graphics board from the system board connector. Replacing the Video Graphics Board Align the three screw holes and press down firmly on the word “Dell” to seat the board in its connector. Re m ov i n g a nd Re p l ac i n g Pa rt s...

  • Page 43: Palmrest Assembly

    NOTICE: Make sure the board is correctly and firmly seated before continuing. Failure to do so will cause intermittent video failures. Replace the three screws. Palmrest Assembly NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 44: Removing The Palmrest Assembly

    Removing the Palmrest Assembly Follow the instructions in “Preparing to Work Inside the Computer.” Remove the hard drive and the fixed optical drive. Remove the keyboard. Remove the hinge cover. Remove the display assembly. NOTICE: To avoid damaging the palmrest assembly, you must first remove the display assembly.

  • Page 45: Reserve Battery

    Turn the computer over. Use the pull loop to disconnect the palmrest flex cable from the touch- pad connector on the system board. Carefully lift out the palmrest assembly. Reserve Battery NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.

  • Page 46: Removing The Reserve Battery

    Removing the Reserve Battery Follow the instructions in “Preparing to Work Inside the Computer.” Remove the keyboard. Remove the hinge cover. Remove the display assembly. Remove the palmrest assembly. On the underside of the palmrest, disconnect the flex cable from the ZIF connector.

  • Page 47: Replacing The Reserve Battery

    Replacing the Reserve Battery Seat the reserve battery and press it into place. Connect the reserve battery cable. Place the palmrest bracket loosely in the palmrest, and connect the palmrest flex cable to the ZIF connector. Replace the two 4-mm screws that secure the palmrest bracket to the palmrest.
  • Page 48 The system board’s BIOS chip contains the system service tag number, which is also visible on a bar-code label on the bottom of the computer. Re m ov i n g a nd Re p l ac i n g Pa rt s...

  • Page 49: Removing The System Board

    NOTICE: If you received a flash BIOS update program diskette or CD with the replacement microprocessor, you must update the BIOS after replacing the microprocessor module. For instructions on updating or reflashing the BIOS, see the Dell Portable Computer BIOS Update Guide . Removing the System Board Follow the instructions in “Preparing to Work Inside the...

  • Page 50: Battery And Modular Bay Latch Assemblies

    S y s t e m B o a r d Battery and Modular Bay Latch Assemblies NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 51: Removing And Replacing The Battery And Modular Bay Latch Assemblies

    B a t t e r y a n d M o d u l a r B a y L a t c h A s s e m b l i e s bumps slider wear ribs spring (2 on underside) location of snap tabs (2)

  • Page 52: Battery Charger Board

    Remove a latch button from the bottom case assembly by squeezing the snap tabs in the center of the latch. Apply downward pressure to the tabs while squeezing them together (tweezers work well) to eject the latch button from the bottom of the case without loosening the upper latch assembly (spring and slider).

  • Page 53: Removing The Battery Charger Board

    B a t t e r y C h a r g e r B o a r d Removing the Battery Charger Board Follow the instructions in “Preparing to Work Inside the Computer.” Remove the keyboard. Remove the hinge cover.

  • Page 54: Led Board

    LED Board NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer. L E D B o a r d 4-mm screws (2) Removing the LED Board Follow the instructions in...

  • Page 55: Replacing The Led Board

    Replacing the LED Board Align the two screw holes with the two mounting holes on the bottom case assembly, and press the board into its connector. Replace the two 4-mm screws. Fan Assembly NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.

  • Page 56: Rj-11/Rj-45 Board

    Pull the fan assembly away from the back-panel bracket. NOTICE: When reconnecting the fan cables, connect the shorter cable to the connector closest to the fan assembly. Route both cables so that they will not be pinched by the thermal cooling assembly. RJ-11/RJ-45 Board NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.

  • Page 57: Removing The Rj-11/Rj-45 Board

    To replace a connector cover, orient the cover notch-side-up and snap it into the connector cutout. R J - 1 1 / R J - 4 5 B o a r d 4-mm screw Removing the RJ-11/RJ-45 Board Follow the instructions in “Preparing to Work Inside the Computer.”...
  • Page 58 R J - 1 1 / R J - 4 5 B o a r d H a r n e s s R o u t i n g posts Re m ov i n g a nd Re p l ac i n g Pa rt s...
  • Page 59 Rem o vi n g an d Rep l a ci n g Pa rt s...

  • Page 60: Index

    I n d e x microprocessor thermal cooling assembly, 34 battery charger board hard drive mini-PCI card assembly removing, 50 removing, 16 removing, 20 replacing, 50 replacing, 16 replacing, 21 hinge cover, 2 7 display and bezel assemblies palmrest assembly, 40 (illustrated), 26 keyboard assembly palmrest flex cable, 43...
  • Page 61 I n d e x tools, recommended, 9 video graphics board removing, 39 replacing, 39 I n d e x...
  • Page 63 Printed in the U.S.A. 064MCW A01 P/N 64MCW Rev. A01 www.dell.com support.dell.com...

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