Bowers And Wilkins T7 Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          35 minutes

Sections

Access Panel
5 steps
Motherboard
9 steps

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Introduction

What you need

Step 1

              Access Panel

As with all electronic devices, make sure your device is powered off before you begin.
Gently lift up the access panel; it should easily “pop” open.

As with all electronic devices, make sure your device is powered off before you begin.

Gently lift up the access panel; it should easily “pop” open.

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Step 2

Remove 14mm screws on the front panel with a J1 Phillips head screwdriver.
There are 8 screws in total.

Remove 14mm screws on the front panel with a J1 Phillips head screwdriver.

There are 8 screws in total.

Step 3

Be gentle, the rubber seal is fragile and easy to tear, resulting in cosmetic damage to your device.
Using the ifixit Opening Tool, carefully pry off the rubber seal around the sides.
The seal is held by adhesive, if this is proving difficult you can use a heat gun to help the process.

Be gentle, the rubber seal is fragile and easy to tear, resulting in cosmetic damage to your device.

Using the ifixit Opening Tool, carefully pry off the rubber seal around the sides.

The seal is held by adhesive, if this is proving difficult you can use a heat gun to help the process.

Step 4

The cover is the most difficult part to remove. As you work, pry continuously, moving the tool around the device, working it a little further as you go.
Using the ifixit Opening Tool, pry open at the seam found under the rubber seal.
As the cover starts to come off, you can lift up using your hand.

The cover is the most difficult part to remove. As you work, pry continuously, moving the tool around the device, working it a little further as you go.

Using the ifixit Opening Tool, pry open at the seam found under the rubber seal.

As the cover starts to come off, you can lift up using your hand.

Step 5

Gently squeeze the internal locking mechanism inside the red and white terminals with either your fingers or a pair of precision tweezers.
While squeezing the internal locking mechanism, pull back the terminal.
Repeat this process for the second speaker.

Gently squeeze the internal locking mechanism inside the red and white terminals with either your fingers or a pair of precision tweezers.

While squeezing the internal locking mechanism, pull back the terminal.

Repeat this process for the second speaker.

Step 6

              Motherboard

Remove the leftmost 14mm screw with the J1 screwdriver tip.
Remove the rightmost 14mm screw with the J1 screwdriver tip.
With the screws removed, the motherboard is now loose.

Remove the leftmost 14mm screw with the J1 screwdriver tip.

Remove the rightmost 14mm screw with the J1 screwdriver tip.

With the screws removed, the motherboard is now loose.

Step 7

Ensure you position your fingers, or a screwdriver tool with the 0.8 tip, in a position on the outside of the black tab.
It is advisable to use a nylon spudger to accomplish this task, because using a metal screwdriver like the one used in the image, can be unnecessarily dangerous around delicate connectors and the motherboard in general.
When working with electronics, it’s important to choose a tool that’s ESD-safe to avoid accidental damage.
Slide the black tab out so the cable is able to be removed.
At this point, the cable is removed.
These ports are difficult, as you need to simultaneously push the black tab while pulling the cable.

Ensure you position your fingers, or a screwdriver tool with the 0.8 tip, in a position on the outside of the black tab.

It is advisable to use a nylon spudger to accomplish this task, because using a metal screwdriver like the one used in the image, can be unnecessarily dangerous around delicate connectors and the motherboard in general.

When working with electronics, it’s important to choose a tool that’s ESD-safe to avoid accidental damage.

Slide the black tab out so the cable is able to be removed.

At this point, the cable is removed.

These ports are difficult, as you need to simultaneously push the black tab while pulling the cable.

Step 8

Pull out the cable that is attached to a port under the motherboard.

Pull out the cable that is attached to a port under the motherboard.

Step 9

Use the 0.8 and 1.0 screwdriver tips to press on the pins to release this cable.
The cable should slide out when the releases are pressed.
This cable can be difficult, as you need to simultaneously push the pins as you pull out the cable.

Use the 0.8 and 1.0 screwdriver tips to press on the pins to release this cable.

The cable should slide out when the releases are pressed.

This cable can be difficult, as you need to simultaneously push the pins as you pull out the cable.

Step 10

Use the 0.8 screwdriver tip to press in the tabs keeping this cable in place.
The cable should easily slide out.

Use the 0.8 screwdriver tip to press in the tabs keeping this cable in place.

The cable should easily slide out.

Step 11

Rotated the motherboard to access this cable.
Use your fingers to pull out the cable.

Rotated the motherboard to access this cable.

Use your fingers to pull out the cable.

Step 12

The battery cable needs to be removed.
Use your fingers to pull the cable out of the port.

The battery cable needs to be removed.

Use your fingers to pull the cable out of the port.

Step 13

The red cable has a tab to press in order to release the cable.
Slide out the cable while continuing to press and hold the tab.

The red cable has a tab to press in order to release the cable.

Slide out the cable while continuing to press and hold the tab.

Step 14

Rotate the motherboard to access the last cable.
Pull on the gold connector to disconnect the cable.

Rotate the motherboard to access the last cable.

Pull on the gold connector to disconnect the cable.

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

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Author

                                      with 2 other contributors

                    Adam Kosianowski

Member since: 03/09/2017

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Team

                       USF Tampa, Team S7-G1, Cagle Spring 2017                        

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                                            4 Guides authored

james scanlon - Nov 14, 2017

OK, so now the motherboard is out. What can that acomplish? Where can you get a replacement? and where is there a circuit diagram to fault find??

Introduction#

What you need#

Team#

Introduction

What you need

Team