Disassembling the Lower Case Assembly

1. Detach the switch board from the main board.

Remove the screw fastening the modem board.

  1. Disconnect the modem board cable from the modem board.
  2. Then detach the modem board from the main board.
  1. Disconnect the speaker cable from the main board.
  2. Then disconnect the microphone cable from the main baord.
  3. Remove the screw fastening the main board to the lower case.
  1. Pull the lower case outwards as the image shows and uplift main board from the lower case carefully.
  2. Disconnect the bluetooth cable from the main board.
  3. Disconnect the subwoover cable from the main board, then take out the main board from the lower case.
  1. Remove the screw holding the audio board.
  2. Detach the audio board from the lower case as shown.
  3. Disconnect the audio cable from the audio board.
  1. Detach the bluetooth module from the lower case.
  2. Take out the microphoner from the lower case. (Tear off the tape fastening the microphone before you remove the speaker from the lower case).
  1. Remove the four screws fastening the speaker set.
  2. Take out the speaker from the lower case.
  1. Remove two screws holding the subwoofer to the lower case. (The left one can be removed, the right one can only be loose).
  2. Remove the subwoofer from the lower case.
  3. Then detach the modem cable from the lower case. (Please notice that the main board has been removed in previous step).

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