Dell OptiPlex 7770 All In One OptiPlex 7770 All-in-One Service Manual - Page 70
Installing the speakers
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3. To disconnect the speakers: a) Disconnect the speaker cable from the system board [1]. b) Remove the nine screws (M3x4+7.1) that secure the speakers to the display-assembly base [2]. c) Unroute the speaker cable from the routing guide on the display assembly base. d) Lift the speakers and the speaker cable off the display assembly base [3]. Installing the speakers 1. To replace the speakers: a) Place the speakers on the display assembly base and align the screw slots on the speakers with the screw slots on the display assembly base [1]. b) Replace the nine screws (M3x4+7.1) that secure the speakers to the display assembly base [2]. c) Route the speaker cable through the routing guides on the display assembly base. d) Connect the speaker cable to the socket on the system board [3]. 70 Removing and Installing components