Introduction

This guide can be used for those that are experiencing difficulties with the hold switch on their Sandisk Sansa m230 Series mp3 player. A faulty hold switch may cause the device to fail to turn on. Use this guide to replace a faulty hold switch.

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    • Remove the battery compartment cover.

    • Remove the battery.

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

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

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    • Locate the hold switch on the motherboard.

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    • Locate the hold switch connection to the motherboard via soldered connections.

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

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    • The solder and soldering iron will be very hot. Use caution to avoid getting burned.

    • Be sure to always rest the hot end of the soldering iron on a metal stand to prevent accidental burns.

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    • Liquefy the solder on each contact and remove each contact individually.

    • With the contacts removed, lift the switch off the motherboard.

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    • Replace the faulty hold switch with a new one.

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

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    • With the new hold switch in place, use the soldering iron to solder the contacts between the motherboard and hold switch.

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

Conclusion

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

James Thorne

Member since: 05/11/13

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