Dell 1525 - Inspiron - Pentium Dual Core 1.86 GHz Service Manual

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Dell™ Inspiron™ 1525/1526 Service Manual 
Subscriber Identity Module (Optional)
ExpressCards
Internal Card With Bluetooth® Wireless Technology
Keyboard
Memory
Display
 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 potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2007–2008 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 Inspiron are trademarks of Dell Inc.; Microsoft, Windows, and Windows Vista are either trademarks or registered trademarks of
Microsoft Corporation in the United States and/or other countries.
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 PP29L
January 2008     Rev. A00
Processor Thermal-Cooling Assembly
Wireless Mini-Cards
Coin-Cell Battery
Pin Assignments for I/O Connectors

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   Summary of Contents for Dell 1525 - Inspiron - Pentium Dual Core 1.86 GHz

  • Page 1

    Microsoft Corporation in the United States and/or other countries. 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, Recommended Tools, Before Working Inside Your Computer

    To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer. NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.

  • Page 3

    7. Slide the battery release latch until they click into place.   8. Slide the battery out of the battery bay. 1 battery 2 battery release latch   9. Turn the computer top-side up, open the display, and press the power button to ground the system board. Back to Contents Page  ...

  • Page 4: Flashing The Bios, 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 5

    9. Double-click the file icon on the desktop and follow the instructions on the screen. Back to Contents Page  ...

  • Page 6

    Back to Contents Page   Internal Card With Bluetooth® Wireless Technology Dell™ Inspiron™ 1525/1526 Service Manual    CAUTION: Before you begin any of the procedures in this section, 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 7: Button Board, Removing The Button Board, Replacing The Button Board

    Back to Contents Page   Button Board Dell™ Inspiron™ 1525/1526 Service Manual    CAUTION: Before you begin any of the procedures in this section, 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 8: Using The Memory Card Reader, Removing A Memory Card Or Blank, Installing A Memory Card

    Back to Contents Page   Using the Memory Card Reader Dell™ Inspiron™ 1525/1526 Service Manual    Removing a Memory Card or Blank   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE:...

  • Page 9: Center Control Cover, Removing The Center Control Cover

    Back to Contents Page   Center Control Cover Dell™ Inspiron™ 1525/1526 Service Manual    CAUTION: Before you begin any of the procedures in this section, 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 10: Replacing The Center Control Cover

    NOTICE: The key caps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard. screws (2) keyboard keyboard tabs (5) keyboard cable keyboard connector latch media control buttons connector   8. Lift the keyboard and hold it up and slightly forward to access to the media control buttons connector.  ...

  • Page 11: Removing The Coin-cell Battery

    Back to Contents Page   Coin-Cell Battery Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Coin-Cell Battery   Replacing the Coin-Cell Battery  Removing the Coin-Cell Battery   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 12

     Replacing the Coin-Cell Battery   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Hold the coin-cell battery with the positive side up.   2. Slide the coin-cell battery into the slot and gently press until it snaps to the slot.  ...

  • Page 13: Processor Module, Removing The Processor Module, Replacing The Processor Module

    Back to Contents Page   Processor Module Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Processor Module   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.  ...

  • Page 14

    When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the others, the module is not seated properly. 1 ZIF-socket cam screw 2 ZIF socket 3 pin-1 corner  ...

  • Page 15

    Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Processor Thermal-Cooling Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.

  • Page 16

      CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Align the five captive screws on the processor thermal-cooling assembly with the screw holes on the system board.   2. In sequential order, tighten the five captive screws to secure the processor thermal-cooling assembly to the system board.  ...

  • Page 17: Display Assembly, Removing The Display Assembly

    Back to Contents Page   Display Dell™ Inspiron™ 1525/1526 Service Manual    Display Assembly   Display Bezel   Display Panel   Camera and Microphone Assembly  Display Assembly   Removing the Display Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

  • Page 18: Replacing The Display Assembly

      8. Disconnect the display cable from the connector.   9. Disconnect the camera cable from the connector. display cable camera cable   10. Pull the antenna cables from the routing hole and release them from the routing channel.   11.

  • Page 19: Display Bezel, Removing The Display Bezel

    NOTE: Ensure that the display cable, camera cable, and antenna cables are properly routed and secured beneath the plastic tabs.   6. Connect the display cable to the display cable connector on the system board.   7. Connect the camera cables to the camera cable connector on the system board.  ...

  • Page 20: Replacing The Display Bezel, Display Panel, Removing The Display Panel

    remainder of the bezel.   Replacing the Display Bezel   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.   2. Starting at any corner, use your fingers to gently snap the bezel into place to secure it to the display panel.  ...

  • Page 21: Replacing The Display Panel

    1 display panel 2 screws (8)   9. Use the pull tab to disconnect the bottom flex-cable connector from the invertor connector.   10. Lift the tape securing the top flex-cable connector and gently pull to disconnect the top flex-cable connector from the display locking connector. 1 display panel 2 top flex-cable connector 3 bottom flex-cable connector  ...

  • Page 22: Replacing The Camera And Microphone Assembly

      10. Replace the center control cover (see Replacing the Center Control Cover).  Camera and Microphone Assembly   Removing the Camera and Microphone Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.  ...

  • Page 23: Expresscard Cage, Removing The Expresscard Cage

    Back to Contents Page   ExpressCard Cage Dell™ Inspiron™ 1525/1526 Service Manual    Removing the ExpressCard Cage   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.  ...

  • Page 24

     ...

  • Page 25: Hard Drive, Removing The Hard Drive

      Hard Drive Dell™ Inspiron™ 1525/1526 Service Manual  NOTE: Dell does not guarantee compatibility or provide support for hard drives obtained from sources other than Dell.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 26: Replacing The Hard Drive

    1 hard drive cover 2 screws (2) 3 hard drive       Replacing the Hard Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive.  ...

  • Page 27: Removing The Keyboard, Replacing The Keyboard

    Back to Contents Page   Keyboard Dell™ Inspiron™ 1525/1526 Service Manual    CAUTION: Before you begin any of the procedures in this section, 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 28

     ...

  • Page 29: Battery Latch Assembly, Removing The Battery Latch Assembly

    Back to Contents Page   Battery Latch Assembly Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Battery Latch Assembly   Replacing the Battery Latch Assembly  Removing the Battery Latch Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

  • Page 30: Replacing The Battery Latch Assembly

    1 plastic grip 2 battery latch assembly 3 spring     NOTICE: Before you remove the battery release button, observe the orientation of the button to ensure proper installation when the button is replaced.  Replacing the Battery Latch Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

  • Page 31: Removing Memory Module

    Back to Contents Page   Memory Dell™ Inspiron™ 1525/1526 Service Manual    CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. You can increase your computer memory by installing memory modules on the system board. See "Specifications" in your Owner's Manual for information on the memory supported by your computer.

  • Page 32: Replacing Memory Module

    As the computer boots, it detects the additional memory and automatically updates the system configuration information. To confirm the amount of memory installed in the computer, click Start ® Help and Support® Dell System Information. Back to Contents Page  ...

  • Page 33

    Back to Contents Page   Wireless Mini-Cards Dell™ Inspiron™ 1525/1526 Service Manual    Flash Cache Module   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.

  • Page 34

    antenna cable connectors securing screw   5. Release the Mini-card by removing the securing screw.   6. Lift the card out of its system board connector. Mini-card   Replacing Mini-Card NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card.

  • Page 35: Flash Cache Module, Removing The Fcm, Replacing The Fcm

     Flash Cache Module   Removing the FCM   1. Follow the procedures in Before You Begin.   2. Turn the computer over and remove the cover on the Mini Card compartment.   3. Ground yourself by touching one of the metal connectors on the back of the computer. NOTE: If you leave the area, ground yourself again when you return to the computer.

  • Page 36: Optical Drive, Removing The Optical Drive, Replacing The Optical Drive

    Back to Contents Page   Optical Drive Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Optical Drive   1. Follow the procedures in Before You Begin.   2. Turn the computer over.   3. Remove the locking screw from the optical drive.   4. Using a plastic scribe or screw driver, push the notch to release the optical drive from the bay.

  • Page 37: Palm Rest, Removing The Palm Rest

    Back to Contents Page   Palm Rest Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Palm Rest   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.  ...

  • Page 38: Replacing The Palm Rest

    1 screws (2) 2 palm rest 3 touch pad connector 4 device status lights LED connector 5 display hinge screw       11. Moving from left to right, carefully lift the palm rest along the rear edge, near the hinge brackets, then gently lift the palm rest to remove it from the computer.

  • Page 39: Removing An Expresscard Or Blank

    Back to Contents Page   ExpressCards Dell™ Inspiron™ 1525/1526 Service Manual    Removing an ExpressCard or Blank   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. Press the card or blank to remove it from its slot.

  • Page 40: Usb Connector, Video Connector

    Back to Contents Page   Pin Assignments for I/O Connectors Dell™ Inspiron™ 1525/1526 Service Manual    USB Connector   Video Connector   S-Video TV-Out Connector   1394 Connector   HDMI Connector  USB Connector     Signal USB5V+ USBP– USBP+  Video Connector         Signal Signal CRT_R 9...

  • Page 41

      S-Video     Signal DLUMA-L DCRMA-L  1394 Connector     Signal TPB- TPB+ TPA- TPA+  HDMI Connector         Signal Signal TMDS Data 2+ TMDS Clock Shield TMDS Data 2 Shield 12 TMDS Clock- TMDS Data 2- TMDS Data 1+ No Connect TMDS Data 1 Shield 15...

  • Page 42

    TMDS Data 0- Hot Plug Detect TMDS Clock+ SHELL Back to Contents Page  ...

  • Page 43

    Back to Contents Page   Subscriber Identity Module (Optional) Dell™ Inspiron™ 1525/1526 Service Manual  Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.   Replacing the SIM   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 44: Speaker Assembly, Removing The Speaker Assembly, Replacing The Speaker Assembly

    Back to Contents Page   Speaker Assembly Dell™ Inspiron™ 1525/1526 Service Manual    Removing the Speaker Assembly   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.  ...

  • Page 46: System Board Assembly, Removing The System Board Assembly

    Back to Contents Page   System Board Assembly Dell™ Inspiron™ 1525/1526 Service Manual    S-Video Board   Charger Board The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes media that provides a utility for transferring the Service Tag to the replacement system board.

  • Page 47: Replacing The System Board Assembly

    1 processor heat sink fan cable connector 2 button board cable connector 3 speaker cable connector 4 wireless sniffer board connector 5 system board       17. Remove the four screws from the top of the system board. NOTE: Depending on your system configuration, the number of screws shown may be greater than the number of screws present in your system.

  • Page 48

    Removing the S-Video Board   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.   2. Remove all memory modules (see Removing Memory Module).  ...

  • Page 49: Charger Board, Removing The Charger Board

     Charger Board   Removing the Charger Board   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Follow the instructions in Before You Begin.   2. Remove all memory module (see Removing Memory Module).

  • Page 50

    Replacing the Charger Board   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.   1. Align the charger board to the system board in the right direction and gently press to connect the charger board connector to the system board.  ...

  • Page 51

    Microsoft Corporation in the United States and/or other countries. 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.

This manual also for:

Inspiron 1525, 1526, Inspron 1526, Inspron 1525

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