Acer Chromebook Cb5 312T K 8Z9 Secondary Circuit Board Replacement Repair Guide

Difficulty

Moderate

Steps

6

Time Required

                          30 minutes            

Sections

2

• Acer Chromebook CB5-312T-K 8Z9 Back Cover
• 2 steps
• Secondary Circuit Board
• 4 steps

Flags

1

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What you need

Step 1

              Acer Chromebook CB5-312T-K 8Z9 Back Cover               

• 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.

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.  

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Step 2

• Using a plastic spudger, open the back cover and remove it from the laptop.

Using a plastic spudger, open the back cover and remove it from the laptop.

Step 3

              Secondary Circuit Board               

• Identify the port that is connected to the speaker.
• Using tweezers, separate the cable from the port.

Identify the port that is connected to the speaker.

Using tweezers, separate the cable from the port.

Step 4

• Find and remove the blue tape from the circuit board.

Find and remove the blue tape from the circuit board.

Step 5

• Remove the black tape from the port.
• Using tweezers, separate the cable from the port.

Remove the black tape from the port.

Step 6

• 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.

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.

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

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                    Cole O'Neal                     

Member since: 09/25/2017

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                       University of North Texas, Team S1-G4, Thompson Fall 2017                        

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littlemas2 - Jun 30, 2018

Reply

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 - Jun 30, 2018

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.