Sandisk Sansa m230 Series mp3 player Hold Switch Replacement

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Introduzione

This guide can be used for those that are experiencing difficulties with their hold switch. A major sign of a faulty hold switch is being incapable of turning on the device. Use this guide to replace a faulty hold switch.

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Passo 1 Sandisk Sansa m230 Series mp3 player Teardown

Sandisk Sansa m230 Series mp3 player Hold Switch Replacement, Sandisk Sansa m230 Series mp3 player Teardown: passo 1, immagine 1 di 1

Remove the battery compartment cover.
Remove the battery.

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Passo 2

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

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Passo 3

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.
Be careful when prying apart the pegs: they are made of plastic and may break.

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Passo 4

The battery contact springs may prevent the case from separating.
Push the battery contact springs down through the hole in the case.

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Passo 5

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.

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Passo 6

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

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Passo 7 Hold Switch

Sandisk Sansa m230 Series mp3 player Hold Switch Replacement, Hold Switch: passo 7, immagine 1 di 1

Locate hold switch on motherboard.

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Passo 8

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

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Passo 9

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

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Passo 10

The solder and soldering iron will be very hot at this time. Do not touch unless wearing protective gloves as you will be burnt.
Be sure to always elevate the hot end of the soldering iron on a metal stand to prevent incidental burns.

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Passo 11

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.

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Passo 12

Replace faulty hold switch with a new one.

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Passo 13

There may be some solder in the way of the hold switch's metal contacts. If this occurs simply melt/remove the solder to create room for the contacts.

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Passo 14

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.

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