Introduction

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.

  1. BLH4AOsoWcpwHKSl
    • Pry the foam buffer from the speaker using a nylon spudger.

    • You will need to re-apply adhesive if you want to reattach this foam after removing it.

  2. BngDhKk4rOjXIeAA
    BngDhKk4rOjXIeAA
    IAot16BYmWU4Ksfs
    o2hm3oRLXaFBDXWK
    • Remove the two bottom screws using a Phillips #0 screwdriver.

  3. WrKOZgc5sGvvWlH5
    WrKOZgc5sGvvWlH5
    dmWhpvTsxpe2bDJ6
    • Pull the plastic casing away from the speaker.

    • You may have to twist-and-pull to remove it.

  4. BSRFHUQuMeDoPL23
    BSRFHUQuMeDoPL23
    bpEYNAWKQlW3u2WL
    • Desolder the two battery wires from the motherboard.

    • Because you are dealing with battery connections, be aware of the shock hazard.

  5. YLdcoriTBMQ3QcmA
    YLdcoriTBMQ3QcmA
    tRLZL2WHRvTBBFWX
    • Desolder the two speaker wires from the motherboard.

  6. YkuRSvDnBWGTdCXv
    • 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.

  7. bPCVULsoJQEdvqpg
    • 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.

Conclusion

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

Ismael Castaneda

Member since: 28/09/21

160 Reputation

0 comments