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Dell Latitude D620 ATG Service Manual

Service manual
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Dell™ Latitude™ ATG D620 Service Manual
Before You Begin
Media Bay Devices
Hard Drive
Hinge Cover
Keyboard
Memory
Display Assembly
Internal Card With Bluetooth® Wireless Technology
Communications Cards
Coin-Cell Battery
 Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2007 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth is a
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.
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. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
Model PP18L
January 2007 Rev. A00
Palm Rest
Modem
Processor Thermal-Cooling Assembly
Processor
Speaker
PC Card Reader
System Board
Fan
Base
Flashing the BIOS

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Summary of Contents for Dell Latitude D620 ATG

  • Page 1 Bluetooth SIG, Inc. and is used by Dell under license. 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. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
  • Page 2 Back to Contents Page   Base Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 3: Before You Begin

    Hold a component such as a processor by its edges, not by its pins. 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.
  • Page 4 NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network device.   3. Disconnect any telephone, network, and USB cables from the computer.   4. Disconnect your computer and all attached devices from their electrical outlets.  ...

  • Page 5: Flashing The Bios From A Cd

    1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.   2. Turn on the computer.   3. Locate the latest BIOS update file for your computer at support.dell.com.   4. Click Download Now to download the file.  ...

  • Page 6: Internal Card With Bluetooth® Wireless Technology

    Back to Contents Page   Internal Card With Bluetooth® Wireless Technology Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in your Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of the computer.
  • Page 7   6. Lift the card from the compartment, ensuring that you do not pull on the card cable with excessive force.   7. Disconnect the card from the cable and remove the card from the computer. Back to Contents Page  ...

  • Page 8: Coin-Cell Battery

    Back to Contents Page   Coin-Cell Battery Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in your Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of the computer.

  • Page 9: Removing The Processor

    Back to Contents Page   Processor Dell™ Latitude™ ATG D620 Service Manual   Removing the Processor   Installing the Processor  Removing the Processor   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 10: Installing The Processor

     Installing the Processor NOTICE: Ensure that the cam lock is in the fully open position before seating the processor. Seating the processor properly in the ZIF socket does not require force. NOTICE: A processor that is not properly seated can result in an intermittent connection or permanent damage to the processor and ZIF socket.  ...

  • Page 11: Removing The Display Assembly

    Back to Contents Page   Display Assembly Dell™ Latitude™ ATG D620 Service Manual   Removing the Display Assembly   Removing the Display Bezel   Removing the Display Panel   Removing the Display Panel Brackets   Removing the Display Panel Cable   Removing the Display Hinges  Removing the Display Assembly   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.

  • Page 12: Removing The Display Bezel

    9. From the bottom of the computer, remove the two M2.5 x 8-mm screws labeled "D."   10. From the back of the computer, remove the two M2.5 x 8-mm screws.   11. Turn the computer right-side up and open the display. antenna cables (2) display cable pull-tab  ...

  • Page 13: Removing The Display Panel

      3. Use a plastic scribe to pry the six rubber screw covers/display bumpers out of the screw holes on the front of the bezel.   4. Remove the six M2.5 x 5-mm shoulder screws from the front of the bezel. NOTICE: Carefully separate the bezel from the display back cover to avoid damage to the bezel.

  • Page 14: Removing The Display Panel Brackets

    LED ribbon-cable release tab 5 LED ribbon cable bracket tabs (4)   CAUTION: To avoid damage to your display panel, handle the panel by the bracket tabs only.   5. Lift the display panel a few inches from the display back cover.  ...

  • Page 15: Removing The Display Hinges

      6. Gently pull the pull-tab on the bottom flex-cable connector to release the cable from the inverter board.   7. Squeeze the flex-cable release levers at either side of the top flex-cable connector, releasing the connector. 1 top flex-cable 2 flex-cable release levers (2) 3 back of display connector...
  • Page 17 Back to Contents Page   Fan Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 18: Hard Drive

    Hard drives are extremely fragile; even a slight bump can damage the drive. NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: You need the Operating System CD to install the Microsoft® Windows® operating system. You also need the Drivers and Utilities CD for your computer to install the drivers and utilities on the new hard drive.

  • Page 19: Hinge Cover

    Back to Contents Page   Hinge Cover Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).

  • Page 20: Removing The Keyboard

    Back to Contents Page   Keyboard Dell™ Latitude™ ATG D620 Service Manual   Removing the Keyboard   Replacing the Keyboard  Removing the Keyboard   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 21   2. Fold the pull-tab down and secure it and the keyboard cable underneath the locking arm before locking it in place.   3. Place the tabs along the front edge of the keyboard into the palm rest and lay the keyboard down on the palm rest, pressing the sides down into the detents.
  • Page 22 If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
  • Page 23 securing clips (2 per connector) memory module   5. Ground yourself and install the new memory module: a.  Align the notch in the module connector with the tab in the connector slot. b.  Slide the module firmly into the slot at a 45-degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the module and reinstall it.
  • Page 24 securing clips (2 per connector) memory module NOTICE: Insert memory modules at a 45-degree angle to avoid damaging the connector.   4. Ground yourself and install the new memory module: a.  Align the notch in the module edge connector with the tab in the connector slot. b.

  • Page 25: Communications Cards

    Back to Contents Page   Communications Cards Dell™ Latitude™ ATG D620 Service Manual   Wireless Local Area Network (WLAN) Card   Mobile Broadband Network (WWAN) Card   Subscriber Identity Module (SIM) Card  Wireless Local Area Network (WLAN) Card If you ordered a WLAN card with your computer, the card is already installed.

  • Page 26: Mobile Broadband Network (Wwan) Card

    WLAN card metal securing tabs (2) NOTICE: To avoid damaging the WLAN card, never place cables on top of or under the card.   5. To install a WLAN card: a.  Move any antenna cables out of the way to make space for the WLAN card. b.
  • Page 27 3. Remove the keyboard (see Keyboard). Mobile Broadband network card antenna cables (2) NOTICE: To prevent damage to the connector, do not use tools to release the securing tabs.   4. If a Mobile Broadband network card is not already installed, go to step 5.

  • Page 28: Subscriber Identity Module (Sim) Card

    Mobile Broadband network card antenna cables (2) NOTE: For more specific information about which cable to connect to which connector, see the documentation that came with your Mobile Broadband network card.   6. Connect the antenna cables to the Mobile Broadband network card, ensuring that you route the cables correctly.  Subscriber Identity Module (SIM) Card  ...
  • Page 29 Back to Contents Page   Modem Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before you begin the following procedure, see the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 30: Media Bay Devices

    Back to Contents Page   Media Bay Devices Dell™ Latitude™ ATG D620 Service Manual NOTICE: To prevent damage to devices, store them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them or placing heavy objects on top of them.

  • Page 31: Palm Rest

    Back to Contents Page   Palm Rest Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 32   11. Remove the seven M2.5 x 8-mm screws from the bottom of the computer. NOTICE: Carefully separate the palm rest from the base to avoid damage to the palm rest.   12. Turn the computer top-side up and remove the palm rest. a.

  • Page 33: Pc Card Reader

    Back to Contents Page   PC Card Reader Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 34 Back to Contents Page   Speaker Dell™ Latitude™ ATG D620 Service Manual   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 35: Removing The System Board

    Back to Contents Page   System Board Dell™ Latitude™ ATG D620 Service Manual   Removing the System Board   Installing the System Board  Removing the System Board   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.   CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 36: Installing The System Board

    1 fan 2 M2.5 x 5-mm screws (4) (identified by silver 3 modem antenna cable triangles on the system board) connectors (2)   17. Remove the four 5-mm hex screws on the back of the computer.   18. Lift the system board out and away from the base. system board base  Installing the System Board...
  • Page 37   2. Insert the battery into the battery bay (see Before Working Inside Your Computer).   3. Connect the AC adapter to the computer and to an electrical outlet. NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

  • Page 38: Removing The Processor Thermal-Cooling Assembly

    Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Latitude™ ATG D620 Service Manual   Removing the Processor Thermal-Cooling Assembly   Replacing the Processor Thermal-Cooling Assembly  Removing the Processor Thermal-Cooling Assembly   CAUTION: Before working inside your computer, follow the safety instructions in the Product Information Guide.
  • Page 39   1. Peel the backing off the thermal cooling pad and adhere the pad to the portion of the thermal-cooling assembly that covers the processor.   2. Place the assembly on the system board.   3. Tighten in consecutive order the four captive screws, labeled "1" through "4," on the thermal-cooling assembly.  ...
  • Page 40 Bluetooth SIG, Inc. and is used by Dell under license. 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. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

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