HP Dv71270us Service Guide - Page 80
Speaker assembly, Disconnect the speaker assembly cable
UPC - 884420712770
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Speaker assembly Description Speaker assembly Spare part number 480470-001 Before removing the speaker assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 51). 5. Remove the switch cover (see Switch cover on page 66). 6. Remove the keyboard (see Keyboard on page 68). Remove the speaker assembly: 1. Disconnect the speaker assembly cable (1) from the power button board. 2. Remove the three Phillips PM2.5×4.0 screws (2) that secure the speaker assembly to the computer. 3. Remove the speaker assembly (3). Reverse this procedure to install the speaker assembly. 72 Chapter 4 Removal and replacement procedures