Sandisk Sansa m230 Series mp3 player Hold Switch 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 hold switch on motherboard.

Locate where hold switch is connected to motherboard via soldered connections.

Use the soldering iron to liquefy the solder connecting the hold switch to the motherboard.

Be sure to always elevate the hot end of the soldering iron on a metal stand to prevent incidental burns.

With the soldered points liquefied, remove faulty hold switch from the motherboard.

To do this liquefy the solder on each contact and remove them individually.

Replace faulty hold switch with a new one.

With the new hold switch in place, use the soldering iron and solder to create a stable connection between the motherboard and hold switch.

Be sure to allow the new solder to cool and harden.