Alldaymall A88X Touch Sensor Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          45 minutes - 1 hour

Sections

Alldaymall A88X Back Cover
2 steps
Speaker
3 steps
Camera
7 steps
Motherboard
5 steps
LCD Screen and Touch Sensor Assembly
1 step
Touch Sensor
1 step

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Introduction

What you need

Step 1

              Alldaymall A88X Back Cover

Using a plastic opening tool, carefully pry the device apart. Make your way around the entire perimeter of the device and carefully place the two panels next to each other.
After the panels are separated, watch out for the speaker on the rear panel as it’s wire is rather short.
When separating the panels keep an eye out for the power button and volume rocker as they can be dislodged.

Using a plastic opening tool, carefully pry the device apart. Make your way around the entire perimeter of the device and carefully place the two panels next to each other.

After the panels are separated, watch out for the speaker on the rear panel as it’s wire is rather short.

When separating the panels keep an eye out for the power button and volume rocker as they can be dislodged.

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Step 2

Grip the speaker from the sides with your fingers or a pair of tweezers and slowly begin to remove it from the rear panel.
When removing the speaker, make sure not to disconnect the wires in any way.
After the speaker has been removed, place the rear panel aside.

Grip the speaker from the sides with your fingers or a pair of tweezers and slowly begin to remove it from the rear panel.

When removing the speaker, make sure not to disconnect the wires in any way.

After the speaker has been removed, place the rear panel aside.

Step 3

              Speaker

Carefully separate the speaker wire from the tape and proceed to peel the tape off in an upwards direction.
The tape we are removing covers a number of connections on the motherboard. Be extra careful not to sever any of these.

Carefully separate the speaker wire from the tape and proceed to peel the tape off in an upwards direction.

The tape we are removing covers a number of connections on the motherboard. Be extra careful not to sever any of these.

Step 4

Using a pair of tweezers, begin separating the tape downwards from the back panel.
Pull the tape away from the wire bundle beneath.
Isolate the wire running from the speaker to the motherboard.

Using a pair of tweezers, begin separating the tape downwards from the back panel.

Pull the tape away from the wire bundle beneath.

Isolate the wire running from the speaker to the motherboard.

Step 5

Desolder the speaker wires from the motherboard.

Desolder the speaker wires from the motherboard.

Step 6

              Camera

Using a nylon spudger, slowly work your way underneath the battery separating it from the panel beneath.
After the battery is separated from the panel make sure to place it face down above the tablet itself.
Throughout the removal process keep an eye on the battery’s wires and make sure they do not break.

Using a nylon spudger, slowly work your way underneath the battery separating it from the panel beneath.

After the battery is separated from the panel make sure to place it face down above the tablet itself.

Throughout the removal process keep an eye on the battery’s wires and make sure they do not break.

Step 7

Desolder the wires that connect the battery to the motherboard.

Desolder the wires that connect the battery to the motherboard.

Step 8

Using a pair of tweezers begin to peel the tape covering the ribbon cable on the motherboard.

Using a pair of tweezers begin to peel the tape covering the ribbon cable on the motherboard.

Step 9

Using a pair of tweezers begin to peel the antenna from the metal panel.
Work your way down until the antenna is completely removed.
Be careful not deform the antenna or sever its connection.

Using a pair of tweezers begin to peel the antenna from the metal panel.

Work your way down until the antenna is completely removed.

Be careful not deform the antenna or sever its connection.

Step 10

Using a pair of tweezers remove the tape securing the cameras to the back panel.

Using a pair of tweezers remove the tape securing the cameras to the back panel.

Step 11

Using a plastic opening tool lift up the flap on the ribbon cable receptacle.

Using a plastic opening tool lift up the flap on the ribbon cable receptacle.

Step 12

Using a pair of tweezers remove the camera assembly from its housing and its receptacles.

Using a pair of tweezers remove the camera assembly from its housing and its receptacles.

Step 13

              Motherboard

Use a plastic opening tool to pull out the black knobs on both sides of the ribbon cable receptacle.
Using a pair of tweezers remove the ribbon cable from its receptacle.

Use a plastic opening tool to pull out the black knobs on both sides of the ribbon cable receptacle.

Using a pair of tweezers remove the ribbon cable from its receptacle.

Step 14

Now on the left ribbon cable use a plastic opening tool to pull out the black knobs on both sides of the ribbon cable receptacle.
Using a pair of tweezers remove the ribbon cable from its receptacle.

Now on the left ribbon cable use a plastic opening tool to pull out the black knobs on both sides of the ribbon cable receptacle.

Step 15

Desolder the wires that connect the backlight to the motherboard.

Desolder the wires that connect the backlight to the motherboard.

Step 16

Using a PH0 screw bit unscrew the three 3mm screws securing the motherboard to the back panel.

Using a PH0 screw bit unscrew the three 3mm screws securing the motherboard to the back panel.

Step 17

Carefully lift up on the motherboard from its housing.

Carefully lift up on the motherboard from its housing.

Step 18

              LCD Screen and Touch Sensor Assembly

Gently pry the brackets holding the touch sensor to the LCD Screen
Do not bend the touch sensor to much as it may shatter.

Gently pry the brackets holding the touch sensor to the LCD Screen

Do not bend the touch sensor to much as it may shatter.

Step 19

              Touch Sensor

Set the LCD Screen aside.

Set the LCD Screen aside.

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

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                    Drhaber

Member since: 02/10/2016

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Team

                       USF Tampa, Team 4-1, Lacy Spring 2016                        

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                                            16 Guides authored

Corey - Apr 25, 2016

Fantastic guide!

Ecocat - Sep 26, 2020

Great work on me snaping the clips

Introduction#

What you need#

Team#

Introduction

What you need

Team