HP DV6 - Manual (Page 88)

4. Disconnect the subwoofer cable (2) from the system board.
5. Turn the computer right side up, with the front toward you.
6. Open the computer.
7. Disconnect the following cables from the system board:
(1) Display speakers cable
(2) Top speakers passthrough cable
(3) Optical drive connector cable
(4) Display panel cable
80 Chapter 4 Removal and replacement procedures