Feed the slack from your flex cable back behind the Amplifier board by lifting up on it carefully without disconnecting the flex cable from the Sound board. Once that is completed, screw the Amplifier board down snug. Put the speaker cover back on the unit. After this you should have successfully fixed your Bose Docking Station.

For those who are visual learners here is a great video that simply shows how easy it is to replace the SOUND BOARD