Tecra 750 Series Disassembly Overview, (cont.)
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To remove the speakers, follow the steps below.
1.Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer.
2.Remove the battery pack, HDD pack, optional memory module, modem board, backup and RTC batteries, keyboard, membrane switch, and top cover with display assembly.
3.Remove four M2x4 silver screws securing the speaker holders.
4.Lift out the speakers with cables and holders.
5.Pull the speakers out of the holders.
6.Remove the tape securing the cables to the insulator and remove the speakers.
NOTE: The speaker wire is color coded. Note how the cables are routed.
To remove the system board, follow the steps below.
1.Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer.
2.Remove the battery pack, HDD pack, optional memory module, modem board, backup and RTC batteries, keyboard, membrane switch, and top cover with display assembly.
3.Remove three M2.5x4 screws securing the metal frame and remove it.
4.Remove the audio connectors cover.
5.Remove two M2.5x8 screws, and one M2x4 silver screw securing the shield plate to the system board.
6.Remove two stud screws and one M2.5x4 screw securing the system board to the middle frame.
7.Remove one M2x3 silver screw securing the positioning plate and lift out the plate. A tongue on the plate fits into a notch.
8.Open the USB port cover and remove one M2x4 silver screw securing the USB port to the USB connector.
9.Pull the metal cover protecting the S- video and PS/2 ports away from the ports, so it doesn’t catch on them when you lift up the board.
10.Lift up the system board to disconnect two connectors.
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