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Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement

Introduction

Removing the electronic motherboard from the base of the Polyconcept Retro Cordless Phone may be a necessity for repair or replacement. This guide will help you disconnect the motherboard from the rest of the device.

What you need

  1. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Power and Telephone Cords: step 1, image 1 of 3 Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Power and Telephone Cords: step 1, image 2 of 3 Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Power and Telephone Cords: step 1, image 3 of 3

    • To disconnect the phone cord, squeeze the tab against the connector and pull the cord away from the telephone-line-in-jack.

    • To disconnect the power cord, grasp the end and pull back and away until it is disconnected.

    • Once disconnected remove each cord from its track.

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  2. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Screws to Base Plate: step 2, image 1 of 1

    • Using a Phillips #00 screwdriver, remove the six 7mm screws from the base plate.

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  3. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Remove Bottom Plate from Base: step 3, image 1 of 3 Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Remove Bottom Plate from Base: step 3, image 2 of 3 Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Remove Bottom Plate from Base: step 3, image 3 of 3

    • With the base turned upside down, grasp the edges of the base plate and gently lift from the rest of the base.

    • Two wires lead from the motherboard to the charger plate, so the two parts cannot be completely separated without further steps.

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  5. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Screws: step 4, image 1 of 1

    • Use a Phillips #00 screwdriver to remove the three 6mm screws from the phone and power jack cover plate.

    • Lift the phone and power jack cover plate away from the motherboard.

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  6. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing the Motherboard Screw: step 5, image 1 of 1

    • Use a Philips #00 screwdriver to remove the single 6mm screw from the motherboard.

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  7. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Glue Covering for Wire Connections: step 6, image 1 of 2 Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Removing Glue Covering for Wire Connections: step 6, image 2 of 2

    • Use the spudger tool to carefully scrape the glue off of the connection points of both the black and red wires.

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  8. Polyconcept 900-MHz Retro Cordless Telephone Device Motherboard Replacement, Desoldering Wire Connections: step 7, image 1 of 1

    • Gently lift the motherboard away from the base plate and flip over.

    • Use the soldering station to desolder the wire connections.

    • For further instructions on using the soldering station click here.

    Edit
Conclusion

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

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