Acer AC4B SM50 KB.I140A.015 用户手册

Chapter 3

107

Replacing the Subwoofer

Replacing the USB Board

1. Place the module in the Lower Cover. Ensure that 

the module is seated correctly on the locating pins.

2. Run the cable along the cable channel using all 

available clips.

3. Connect the Subwoofer cable to the Mainboard as shown.

1. Place the board in the Lower Cover. Ensure that 

the board is seated correctly on the locating pins.

2. Replace the single screw securing the board to the 

Lower Cover.