Sandisk Sansa m230 Series MP3 Player Headphone Jack Replacement

Remove the battery compartment cover.

Remove the battery.

Locate and remove the screw next to the battery compartment lid.

Locate the interlocking pegs along the seam of the device's casings.

Gently pry the pegs apart one at a time, working your way around the case.

The battery contact springs may prevent the case from separating.

Push the battery contact springs down through the hole in the case.

The casing protecting the USB and headphone jacks must be removed.

Locate and gently pry apart the two interlocking clips holding it in place.

The outer casings may now be removed and the MP3 player should separate.

You now have access to all components found on the inside of the device!

Locate the headphone jack on the motherboard.

Ensure the hot end of the soldering iron is elevated on a metal stand when not in use to prevent burns.

Use soldering iron to melt the existing solder at the three headphone jack connections.

Remove the faulty headphone jack from the motherboard.

Align the new headphone jack appropriately on the motherboard for soldering.

Use the soldering iron and solder to create three stable connections between the motherboard and the headphone jack.

Allow the new solder to cool and harden before reassembling the MP3 player.