Plantronics CS50 Headset Motherboard Replacement

Flip the headset face down.

Squeeze both sides of the battery cover.

While squeezing, pull the cover up slowly to remove it.

Locate and detatch the white connector that connects the wires of the battery to the wires of the headset.

Use a hairdryer or heat gun to melt the adhesive along the crevice that joins the black and silver components.

Apply additional heat at the tip of the microphone.

After heating the headset, use the plastic opening tool to carefully pry the black cover from the headset.

Remove the microphone from the tip of the plastic.

Use the heat gun to melt the adhesive connecting the headset face to the speaker casing.

Use the plastic opening tool to separate the speaker casing from the headset face.

Slowly separate the motherboard from the rest of the headset.

Locate the microphone wires on the bottom of the motherboard.

Flip the device over.

Use a soldering iron to remove the solder that holds the wires to the motherboard.

Using a blow dryer or a heat gun, heat the crevice to melt the adhesive between the plastic covers.

Using a plastic opening tool, prop open the edges.

Gently pull the black speaker casing up to remove it.

Use the heat gun or blow dryer to melt the glue that connects the wires to the headset's motherboard.