Dual BT 10 Mainboard Disassembly

Introduzione

This guide helps you dissasembling the Dual BT 10 Bluetooth Speaker to get to the mainboard for further troubleshooting and repairs.

In my case, I needed to repair the ON/OFF switch and found some difficulties while dissasembling the device without damaging it. This guide therefore should help you with the disassembly.

Tools needed:

Philipps head screw driver
Thin blade (cutter knife / exacto knife / etc.)

Passo 1 Removing bottom screws

Dual BT 10 Mainboard Disassembly, Removing bottom screws: passo 1, immagine 1 di 3

Dual BT 10 Mainboard Disassembly, Removing bottom screws: passo 1, immagine 2 di 3

Dual BT 10 Mainboard Disassembly, Removing bottom screws: passo 1, immagine 3 di 3

Unplug the device if needed and put the power switch into the "OFF" position.
Turn the device upside down
Remove the two foam feet at the front end of the speaker (the end with the buttons)
Unscrew the two screws revealed by the foam pads

Modifica

Passo 2 Removing the top screw

Dual BT 10 Mainboard Disassembly, Removing the top screw: passo 2, immagine 1 di 3

Dual BT 10 Mainboard Disassembly, Removing the top screw: passo 2, immagine 2 di 3

Dual BT 10 Mainboard Disassembly, Removing the top screw: passo 2, immagine 3 di 3

Turn the device in its normal position (standing on the foam feet)
Remove the screw cover using a thin blade at the front end of the device (the end with the buttons)
Unscrew the screw and remove it together with its plastic seating

Modifica

Passo 3 Removing the front housing

Dual BT 10 Mainboard Disassembly, Removing the front housing: passo 3, immagine 1 di 2

Dual BT 10 Mainboard Disassembly, Removing the front housing: passo 3, immagine 2 di 2

Gently pull the rubber strap to remove it from the silver front housing
Pull the silver front housing from the main body of the device
Do so gently as some cables are still connected inside the housing

Modifica

Passo 4 Disconnecting the components

Dual BT 10 Mainboard Disassembly, Disconnecting the components: passo 4, immagine 1 di 2

Dual BT 10 Mainboard Disassembly, Disconnecting the components: passo 4, immagine 2 di 2

Disconnect all cables:
Take a picture of how everything is plugged in to make reassembling easier
Disconnect the battery first (fat red/black cable, red socket)
Disconnect the two front speakers (blue/white cables)
Disconnect the Subwoofer and LED cable (brown/black, red/black cables)

Modifica

Passo 5 Removing the antenna wire

Dual BT 10 Mainboard Disassembly, Removing the antenna wire: passo 5, immagine 1 di 1

Remove the red antenna wire by loosening it from the marked plastic taps

Modifica

Passo 6 Unscrewing the front mesh

Dual BT 10 Mainboard Disassembly, Unscrewing the front mesh: passo 6, immagine 1 di 3

Dual BT 10 Mainboard Disassembly, Unscrewing the front mesh: passo 6, immagine 2 di 3

Dual BT 10 Mainboard Disassembly, Unscrewing the front mesh: passo 6, immagine 3 di 3

Remove the four screws holding the front mesh
Separate the black plastic from the silver part
There is a cable connecting both parts! Be careful.
The mainboard is not screwed in place and will be loose after this step
Disconnect the brown cable from the small PCB to fully remove the black plastic

Modifica

Passo 7 Removing the main board

Dual BT 10 Mainboard Disassembly, Removing the main board: passo 7, immagine 1 di 1

Pull out the main board from the assembly
Carefully feed the antenna wire through its small hole if needed

Modifica

Passo 8 Reassembly

Dual BT 10 Mainboard Disassembly, Reassembly: passo 8, immagine 1 di 1

To reassemble the device, follow all steps in reverse order
When reinserting the motherboard, be careful to place it inside the plastic guides in the black plastic / mesh cover
When pluging in all cables, it is recommended to plug in the battery last (thick red/black cable, red socket)