Dell Studio 1557 (Late 2009) - Manual (Page 43)

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Subwoofer Assembly
Dell Studio™ 1557/1558 Service Manual
Removing the Subwoofer Assembly
Replacing the Subwoofer Assembly
Removing the Subwoofer Assembly
1. Follow the instructions in Before You Begin .
2. Remove the optical drive (see Removing the Optical Drive ).
3. Disconnect the AC adapter connector cable, USB cable, fan cable, and the subwoofer cable from their respective connectors on the system board.
4. Remove the six screws that secure the system board to the computer base.
5. Lift the system board off the computer base.
6. Release the subwoofer assembly cable from the routing guides.
7. Remove the three screws on the subwoofer assembly.
8. Lift the subwoofer assembly from the computer base.
Replacing the Subwoofer Assembly
1. Follow the instructions in Before You Begin .
2. Place the subwoofer assembly on the computer base and replace the three screws that secure the subwoofer assembly to the computer base.
3. Route the subwoofer assembly cable along the routing guides.
4. Replace the system board on the computer base.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: 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).
CAUTION: 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.
CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer ) before working
inside the computer.
1 screws (3) 2 subwoofer