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  1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement, Acer Chromebook CB5-312T-K 8Z9 Back Cover: adım 1, 2 resimden 1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement, Acer Chromebook CB5-312T-K 8Z9 Back Cover: adım 1, 2 resimden 2.
    • First begin by flipping the laptop on its back and having the back cover face you directly.

    • Then unscrew the ten Phillips head screws that hold down the back cover using a Phillips #0 Screw Driver.  

  2. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 2, 1 resimden 1.
    • Using a plastic spudger, open the back cover and remove it from the laptop.

  3. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement, Secondary Circuit Board: adım 3, 3 resimden 1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement, Secondary Circuit Board: adım 3, 3 resimden 2. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement, Secondary Circuit Board: adım 3, 3 resimden 3.
    • Identify the port that is connected to the speaker.

    • Using tweezers, separate the cable from the port.

  4. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 4, 2 resimden 1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 4, 2 resimden 2.
    • Find and remove the blue tape from the circuit board.

  5. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 5, 3 resimden 1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 5, 3 resimden 2. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 5, 3 resimden 3.
    • Remove the black tape from the port.

    • Using tweezers, separate the cable from the port.

  6. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 6, 3 resimden 1. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 6, 3 resimden 2. Acer Chromebook CB5-312T-K 8Z9 Secondary Circuit Board  Replacement: adım 6, 3 resimden 3.
    • Identify the two Phillips screws.

    • Remove the two screws holding down the board with a J1 Phillips screwdriver.

    • Gently lift the board from the Chromebook.

Sonuç

To reassemble your device, follow these instructions in reverse order.

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2 Comments

Any ideas about where to purchase this part? I am almost certain that it is the problem with my sound. Also, I can get to it no problem, but I am struggling finding a replacement part.

littlemas2 - Yanıt

I have looked on numerous pages on google, both with the part number and with the Chromebook model number and have yet to be able to find a supplier.

littlemas2 -

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