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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.

Removing the System Board 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.

  2. Remove memory module(s) (see Removing Memory Module).

  3. Remove the hard drive (see Removing the Hard Drive).

  4. Remove the optical drive (see Removing the Optical Drive).

  5. Remove all Mini-Cards (see Removing Mini-Card).

  6. Remove the center control cover (see Removing the Center Control Cover).

  7. Remove the keyboard (see Removing the Keyboard).

  8. Remove the display assembly (see Removing the Display Assembly).

  9. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Internal Card With Bluetooth® Wireless Technology).

  10. Remove the palm rest (see Removing the Palm Rest).

  11. Remove the ExpressCard cage (see Removing the ExpressCard Cage).

  12. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).

  13. Remove the processor (see Removing the Processor Module).

  14. Disconnect the processor heat sink fan cable from the system board.

  15. Disconnect the button board cable from the system board.

  16. Disconnect the speaker cable from the system board.

1

processor heat sink fan cable connector

2

button board cable connector

3

speaker cable connector

4

wireless sniffer board connector

5

system board

 

 

  1. 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.

  1. Lift the right side of the system board, and then carefully lift the system board out of the computer.

Replacing the System Board Assembly

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Ensure that any loose cables do not get caught beneath the system board.
  1. Insert the right side of the system board into the base of the computer at an angle until the connectors on the system board are aligned with the holes on the base of the computer, then carefully lower the system board into place.

  2. Replace the four screws on the top of the system board.

  3. Follow the steps in Removing the System Board Assembly in reverse order.

S-Video Board

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).

  3. Remove the hard drive (see Removing the Hard Drive).

  4. Remove the optical drive (see Removing the Optical Drive).

  5. Remove all Mini-Cards (see Removing Mini-Card).

  6. Remove the center control cover (see Removing the Center Control Cover).

  7. Remove the keyboard (see Removing the Keyboard).

  8. Remove the display assembly (see Removing the Display Assembly).

  9. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Internal Card With Bluetooth® Wireless Technology).

  10. Remove the palm rest (see Removing the Palm Rest).

  11. Remove the ExpressCard cage (see Removing the ExpressCard Cage).

  12. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).

  13. Remove the processor (see Removing the Processor Module).

  14. Remove the system board (see Removing the System Board Assembly).

  15. Remove the screw securing the S-Video board to the system board assembly.

  16. Carefully disconnect the S-Video connector from the system board and seperate the S-Video board from the system board assembly.

1

screw

2

S-Video connector

3

S-Video board

4

system board

Replacing the S-Video Board

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

  2. Replace the screw securing the S-Video board to the system board assembly.

  3. Follow the steps in Removing the S-Video Board in the reverse order.

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).

  3. Remove the hard drive (see Removing the Hard Drive).

  4. Remove the optical drive (see Removing the Optical Drive).

  5. Remove all Mini-Cards (see Removing Mini-Card).

  6. Remove the center control cover (see Removing the Center Control Cover).

  7. Remove the keyboard (see Removing the Keyboard).

  8. Remove the display assembly (see Removing the Display Assembly).

  9. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Internal Card With Bluetooth® Wireless Technology).

  10. Remove the palm rest (see Removing the Palm Rest).

  11. Remove the ExpressCard cage (see Removing the ExpressCard Cage).

  12. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).

  13. Remove the processor (see Removing the Processor Module).

  14. Remove the system board (see Removing the System Board Assembly).

  15. Remove the two screws securing the charger board to the system board assembly.

  16. Carefully disconnect the charger board connector from the system board and seperate charger board from the system board assembly.

1

screws (2)

2

charger board connector

3

charger board

4

system board

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.

  2. Replace the two screws securing the charger board to the system board assembly.

  3. Follow the steps in Removing the Charger Board in the reverse order.

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