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Mid F900 Microphone Replacement

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This is a guide to replace the microphone in the device. Make sure to follow all the steps correctly and handle with care.

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  1. Mid F900 Microphone Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using a J00 Phillips-head screwdriver, remove the two screws located at the bottom of the device.

    • Screws are 5mm x 1mm in size.

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  2. Mid F900 Microphone Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mid F900 Microphone Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the plastic opening tool to pry off the white back-plate of the device.

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  4. Mid F900 Microphone Replacement, Motherboard: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mid F900 Microphone Replacement, Motherboard: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using a +00 Phillips head screwdriver, remove the screws securing the motherboard to the device housing.

    • Screws are 4mm x 1mm in size.

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  5. Mid F900 Microphone Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mid F900 Microphone Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Desolder the two black and red wires connected to the motherboard.

    • Unclip and remove the ribbon cables attached to the motherboard.

    • For soldering help, use the How to Solder and Desolder Connections guide.

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  6. Mid F900 Microphone Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Mid F900 Microphone Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Carefully lift and remove the motherboard from the device housing.

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  7. Mid F900 Microphone Replacement, Microphone: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Flip the motherboard over to bring the underside into view.

    • Find and desolder the microphone near the bottom of the motherboard and remove it.

    • Solder the new microphone in its place.

    • For soldering help, check out the How to Solder and Desolder Connections guide.

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

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Matthew Oliva

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USFT-REMMELL-F16S6G6

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