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Bem Wireless HL2739B Speaker Motherboard Replacement

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Is your speaker not working but still holding a charge? It's probably your motherboard. Follow this guide to replace it.

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  1. Bem Wireless HL2739B Speaker Motherboard Replacement, Speaker Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Peel the rubber cover back from the corner of the speaker to reveal the screw.

    • Repeat for the three remaining corners.

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    • Use the J1 bit attached to the screwdriver to remove the four 10mm screws from the bottom of the speaker.

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  3. Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the bottom cover away from the rest of the speaker.

    • There are wires connecting the battery and cover to the rest of the speaker. Be careful when removing the base cover.

    • Using the tweezers, pull the wires from the speaker's internal chip.

    • Be careful not to damage the chip when you remove the wires.

    • It will likely require soldering to reassemble the speaker after this step.

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  5. Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using a plastic opening tool, gently pry the battery from the metal base.

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    • Using tweezers, pull the wires from the metal base connection.

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  7. Bem Wireless HL2739B Speaker Motherboard Replacement, Speaker Motherboard: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Bem Wireless HL2739B Speaker Motherboard Replacement, Speaker Motherboard: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Unscrew the four 10mm screws from the motherboard.

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  8. Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using tweezers, remove the blue/white and red/black wires from motherboard.

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  9. Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Bem Wireless HL2739B Speaker Motherboard Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Gently re-position the motherboard so you can access the bus wire connected to the speaker.

    • Remove bus wire from the speaker and lift out the motherboard.

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

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