PCBA, USB BD

The HP 905755-001 USB/audio board is a replacement component for a compatible HP notebook. It combines the USB and audio board functions in one service part, helping restore those built-in connections when the installed board needs replacement.

HP's service guide identifies it as a removable board inside the computer. During replacement, the board cable is disconnected before the board is lifted out, then the procedure is reversed to install the replacement. The guide lists this part for HP ProBook 450 G4 models and also identifies it as the USB/audio board in the ProBook 470 G4 service procedure.

The cable is listed separately as 906000-001, included in the Cable Kit; it is distinct from board 905755-001.