TECHUP Bluetooth Speaker Motherboard Replacement

はじめに

This guide will cover the replacement of the motherboard in a TECHUP Bluetooth speaker; model No. AR456.

If your TECHUP Bluetooth speaker has recently lost functionality, it is likely the motherboard is at fault. This guide will take you through how to replace the motherboard step-by-step. This process will involve disconnecting the internal battery, and although this device runs on low-power, there is a shock hazard anytime you are working with open wires from a battery. Take care when soldering/desoldering the battery wires.

If you do not know how to solder, you may use this guide.

必要な工具と部品

手順1 Motherboard

TECHUP Bluetooth Speaker Motherboard Replacement, Motherboard: 手順 1、 1の画像 1

Pry the foam buffer from the speaker using a nylon spudger or flathead screwdriver (pictured).
You will need to re-apply adhesive if you want to reattach this foam after removing it.

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手順2

TECHUP Bluetooth Speaker Motherboard Replacement: 手順 2、 3の画像 3

Remove the two bottom screws using a Phillips #0 screwdriver.

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手順3

Pull the plastic casing away from the speaker.
You may have to twist-and-pull to remove it.

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手順4

Desolder the two battery wires from the motherboard.
Because you are dealing with battery connections, be aware of the shock hazard.

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手順5

Desolder the two speaker wires from the motherboard.

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手順6

Grasp the motherboard and pull it from the encasement.
Take care to not rip the wires as you pull the motherboard out, as they may catch in the grooves on the motherboard.

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手順7

Pry the battery from the motherboard using a nylon spudger.
You may have to apply significant force to the motherboard to remove the battery.
Always use an ESD-safe tool, such as a nylon spudger, when working with batteries. Metal tools can puncture an unprotected battery, potentially causing a fire.