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Dell Precision M70 Service Manual
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Dell Precision M70 Service Manual

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Dell Precision™ M70 Service Manual
Before You Begin
System Components
Memory Modules, Mini PCI Card, Modem, and Modules
Internal Card With Bluetooth ® Wireless Technology
Coin-Cell Battery
Hard Drive
Center Control Cover
Display Assembly
Keyboard
Palm Rest
Smart Card Reader
PC Card Reader
Speakers
Microprocessor Thermal-Cooling Assembly
Microprocessor Module
Video Card Assembly
Fans
System Board
Flashing the BIOS
Pin Assignments for I/O Connectors
Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
 
CAUTION:
Information in this document is subject to change without notice.
© 2005 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 Dell Precision are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation;
Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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 PP02X
February 2005 Rev. A00
Great user manuals database on
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
A CAUTION indicates a potential for property damage, personal injury, or death.
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  • Page 1 Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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: Before You Begin

    Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in Dell's product documentation, or as directed by Dell's online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

  • Page 3: Recommended Tools

     Recommended Tools The procedures in this manual require the following tools:  #1 Phillips screwdriver  ¼-inch flat-blade screwdriver  Small plastic scribe  Flash BIOS update program floppy or CD  Computer Orientation back right front left  Screw Identification When you are removing and replacing components, print this section as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.
  • Page 4   Microprocessor Fan: Keyboard: Display Assembly: (1 each) (2 each) (2 each)       Video Card Fan: Display Latch: Display Panel Cable: (1 each) (2 each) (1 each) Display Panel: Speakers: PC Card Reader (8 each) (1 each) (4 each) Palm Rest: System Board: Smart Card Reader...
  • Page 5         Internal card with Button Board   Bluetooth™ wireless  technology (2 each) (1 each)   Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 6: Flashing The Bios

    Back to Contents Page   Flashing the BIOS Dell Precision™ M70 Service Manual   1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.   2. Insert the flash BIOS update program floppy or CD and turn on the computer.

  • Page 7: Internal Card With Bluetooth® Wireless Technology

    Back to Contents Page   Internal Card With Bluetooth® Wireless Technology Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 8 coin-cell battery   screw for card with Bluetooth wireless technology   card with Bluetooth wireless technology   Back to Contents Page   Great user manuals database on UserManuals.info...
  • Page 9 Back to Contents Page   Center Control Cover Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.

  • Page 10: Coin-Cell Battery

    Back to Contents Page   Coin-Cell Battery Dell Precision™ M70 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Product Information Guide. A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.
  • Page 11 NOTICE: The connection to the replacement battery is keyed. Do not force the connection.   13. Close the small access door.   14. Insert the main battery and close the battery door. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.  ...

  • Page 12: Microprocessor Module

    Back to Contents Page   Microprocessor Module Dell Precision™ M70 Service Manual   Removing the Microprocessor Module   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 13 NOTICE: Ensure that the cam lock is in the fully open position before seating the microprocessor module. Seating the microprocessor module properly in the ZIF socket does not require force. NOTICE: A microprocessor module that is not properly seated can result in an intermittent connection or permanent damage to the microprocessor and ZIF socket.
  • Page 14 Back to Contents Page   Microprocessor Thermal-Cooling Assembly Dell Precision™ M70 Service Manual   Removing the Microprocessor Thermal-Cooling Assembly   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 15   Installing the Microprocessor Thermal-Cooling Assembly   1. Place the microprocessor thermal-cooling assembly directly down onto the system board. Push straight down.   2. Tighten the four captive screws, labeled "1" through "4," in consecutive order. Back to Contents Page  ...

  • Page 16: Display Assembly

    Back to Contents Page   Display Assembly Dell Precision™ M70 Service Manual   Display Assembly   Display Bezel   Display Panel  Display Assembly   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.

  • Page 17: Display Bezel

    Pull the bezel from the top edge toward the center of the panel to open the snaps. Push the bezel on the sides and bottom away from the center of the panel to open the snaps. NOTICE: To avoid damaging the bezel, start pulling the bezel up near the bottom of the display (near the DELL™ logo) and work around the display  and toward the latch release. Great user manuals database on...

  • Page 18: Display Panel

    1 M2.5 x 5-mm screws (6) 4 display panel 2 display bumpers (6) 5 M2 x 3-mm screws (8) 3 display bezel 6 M2 x 3-mm display-cable ground screw  Display Panel   CAUTION: Before performing the following procedures, read the safety instructions in your Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
  • Page 19 1 top flex-cable connector 2 top display-cable connector 3 tabs   9. Use the pull-tab to disconnect the bottom flex-cable connector from the inverter display- cable connector. 1 inverter flex-cable 2 inverter display-cable connector 3 pull-tab on bottom flex- cable connector  ...
  • Page 20 Back to Contents Page   Fans Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 21   5. Remove the M2.5 x 5-mm screw from the bottom right corner of the fan.   6. Disconnect the fan cable connector.   7. Lift the fan straight out of the computer. M2.5 x 5-mm screw fan cable connector Back to Contents Page  ...

  • Page 22: Hard Drive

    NOTICE: 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.   Removing the Hard Drive and Carrier  ...
  • Page 23 Back to Contents Page   Great user manuals database on UserManuals.info...
  • Page 24 Back to Contents Page   Keyboard Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 25 1 M2.5 x 5-mm screws (2) 2 keyboard 3 palm rest 4 keyboard tabs (5) Back to Contents Page   Great user manuals database on UserManuals.info...
  • Page 26 Back to Contents Page   Palm Rest Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 27 1 touch pad connector 2 system board connector 3 computer base NOTICE: Carefully separate the palm rest from the computer base to avoid damage to the palm rest.   8. Use your fingers to separate the palm rest from the computer base.  ...

  • Page 28: Pc Card Reader

    Back to Contents Page   PC Card Reader Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.

  • Page 29: Usb Connector

    Back to Contents Page   Pin Assignments for I/O Connectors Dell Precision™ M70 Service Manual   USB Connector   Video Connector   S-Video TV-Out Connector   Serial Connector  USB Connector     Signal USB5V+ USBP– USBP+  Video Connector         Signal Signal CRT_R 9 CRT_G 10 CRT_B 11 MONITOR_DETECT–...

  • Page 30: Serial Connector

      S-Video     Signal DLUMA-L DCRMA-L   Composite Video     Signal SP_DIF DCMPS-L SP_DIF  Serial Connector         Signal Signal RXDA TXDA     Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 31: Smart Card Reader

    Back to Contents Page   Smart Card Reader Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 32 Back to Contents Page   Speakers Dell Precision™ M70 Service Manual   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.

  • Page 33: System Board

    Back to Contents Page   System Board Dell Precision™ M70 Service Manual   Removing the System Board   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.
  • Page 34   19. Remove the M2 x 3-mm screw from the system board support. M2 x 3-mm screw system board support   20. Remove the three M2.5 x 5-mm screws that secure the system board to the computer base. 1 M2.5 x 5-mm screws (3)  ...
  • Page 35 NOTE: You may need to press outward on the base near the audio connectors to provide enough clearance for the audio connectors. c.  After the connectors are dislodged, lift the board out of the base.   Installing the System Board  ...

  • Page 36: System Components

      System Components Dell Precision™ M70 Service Manual 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 document assumes that a part can be replaced or, if purchased separately, installed by performing the removal procedure in reverse order.

  • Page 37: Notes, Notices, And Cautions

    Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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 38: Memory Modules

    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. You can do so by touching an unpainted metal surface. NOTE: Memory modules purchased from Dell are covered under your computer warranty.   1. Follow the instructions in "Preparing to Work Inside the...
  • Page 39 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. You can do so by touching an unpainted metal surface. NOTE: Memory modules purchased from Dell are covered under your computer warranty.   1. Follow the instructions in "Preparing to Work Inside the...
  • Page 40 Windows desktop. Then shut down your computer and try again. See "Using the System Setup Program" in your User's Guide.  Mini PCI Card If you ordered a Mini PCI card at the same time that you ordered your computer, Dell has already installed the card for you.   CAUTION: Before working inside your computer, read the safety instructions in your Product Information Guide.
  • Page 41   2. Turn the computer over, and loosen the captive screws on the options cover. captive screws (2)   options cover     3. If a Mini PCI card is not already installed, go to step 4. If you are replacing a Mini PCI card, remove the existing card: a.
  • Page 42 Mini PCI card connector   Mini PCI card   antenna cables (2)   NOTICE: To avoid damaging the Mini PCI card, never place cables on top of or under the card. NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and realign the card.  ...
  • Page 43 modem cable modem pull-tab screw system board connector NOTICE: Cable connectors are keyed for correct insertion; do not force the connections.   4. If you are installing a modem, connect the modem cable to the modem. NOTICE: To prevent damage to the modem, press the modem into the connector directly over the connector.  ...
  • Page 44 device latch release   2. Pull the device by the latch release to remove the device from the module bay.   If the Device Screw Is Installed   1. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions. NOTICE: To prevent damage to devices, place them in a safe, dry place when they are not installed in the computer.
  • Page 45   5. Pull the device by the latch release to remove the device from the module bay. NOTICE: Insert devices into the module bay before you dock and turn on the computer. Back to Contents Page   Great user manuals database on UserManuals.info...
  • Page 46 Back to Contents Page   Video Card Assembly Dell Precision™ M70 Service Manual   Removing the Video Card Assembly   CAUTION: Before performing the following procedures, read 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 an unpainted metal surface (such as the back panel) on the computer.

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