Azpen A740 Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 minutes

Sections

Back Panel
1 step
Camera
5 steps
Motherboard
4 steps

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What you need

Step 1

              Back Panel

Use the plastic opening tool or black spudger tool to lift the back panel off the tablet.

Use the plastic opening tool or black spudger tool to lift the back panel off the tablet.

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Step 2

              Camera

You should see the motherboard, the speaker, and the battery.
The camera is surrounded by the red square.

You should see the motherboard, the speaker, and the battery.

The camera is surrounded by the red square.

Step 3

The camera is located at the top of the device and is attached by one screw with 3.75mm which is inside of the red circle. And one clip which is inside of the orange rectangle.
First remove the screw from the plastic connecting the camera to the motherboard.
The ZIF connector attaching the camera to the motherboard.

The camera is located at the top of the device and is attached by one screw with 3.75mm which is inside of the red circle. And one clip which is inside of the orange rectangle.

First remove the screw from the plastic connecting the camera to the motherboard.

The ZIF connector attaching the camera to the motherboard.

Step 4

With the plastic now removed from the camera, the user is able to unclip the camera from the motherboard by pulling up the black clip and sliding out the camera.
Here you can see the rear camera is on the top and the front camera is on the top. As you can see, it is not possible to replace one camera and not the other.

With the plastic now removed from the camera, the user is able to unclip the camera from the motherboard by pulling up the black clip and sliding out the camera.

Here you can see the rear camera is on the top and the front camera is on the top. As you can see, it is not possible to replace one camera and not the other.

Step 5

This is what the camera looks like once completely removed from the tablet.
This is where the camera was previously, it is the place where the new camera must be placed.

This is what the camera looks like once completely removed from the tablet.

This is where the camera was previously, it is the place where the new camera must be placed.

Step 6

Now you are able to insert the new camera.
To reassemble your device, follow these instructions in reverse order.

Now you are able to insert the new camera.

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

Step 7

              Motherboard

Unscrew the motherboard from the frame with a pentalobe screwdriver; there are 7 screws (3.53mm-4.53mm) with 2 of the 7 holding the speaker in place and 1 of the 7 holding the camera in place which you already removed.
You do not need to remove the 2 screws connecting the speaker.

Unscrew the motherboard from the frame with a pentalobe screwdriver; there are 7 screws (3.53mm-4.53mm) with 2 of the 7 holding the speaker in place and 1 of the 7 holding the camera in place which you already removed.

You do not need to remove the 2 screws connecting the speaker.

Step 8

There should be two cips that are also holding the motherboard in place, they should look similar to the one that held the camera in place. Unclip these the same way you did the camera.

There should be two cips that are also holding the motherboard in place, they should look similar to the one that held the camera in place. Unclip these the same way you did the camera.

Step 9

Now comes the desoldering. If you have never done this before, you may want to read this: How To Solder and Desolder Connections
In all, there should be 7 wires that need to be desoldered: 2 that are connected to the speaker, 2 that are connected to the screen, 2 that are directly connected to the battery and 1 that is connected to a thick wire that feeds into a sticker on the battery.

Now comes the desoldering. If you have never done this before, you may want to read this: How To Solder and Desolder Connections

In all, there should be 7 wires that need to be desoldered: 2 that are connected to the speaker, 2 that are connected to the screen, 2 that are directly connected to the battery and 1 that is connected to a thick wire that feeds into a sticker on the battery.

Step 10

Once all connections are removed from the motherboard, it is able to be removed by gently placing the plastic opening tool under the motherboard and lifting up the motherboard from the bottom of the screen.
To reassemble your device, follow these instructions in reverse order.

Once all connections are removed from the motherboard, it is able to be removed by gently placing the plastic opening tool under the motherboard and lifting up the motherboard from the bottom of the screen.

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                    Mallory

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