Introduction

To replace a faulty microphone follow the steps in this guide. This may be your only option if you find yourself unable to make voice recordings anymore with your device.

Locate and remove the screw on the bottom of the device. The screw is next to the battery compartment lid. Locate and remove the screw on the bottom of the device. The screw is next to the battery compartment lid.
  • Locate and remove the screw on the bottom of the device. The screw is next to the battery compartment lid.

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Remove the battery compartment cover. Then remove the battery. You'll need both the cover and the battery out of the way in the next step. Then remove the battery. You'll need both the cover and the battery out of the way in the next step.
  • Remove the battery compartment cover.

  • Then remove the battery. You'll need both the cover and the battery out of the way in the next step.

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Now gently pry the two halves of the case apart.
  • Now gently pry the two halves of the case apart.

  • There are several interlocking pegs located along the edge of the device's casings. These are all that hold the two halves of the case together, barbaric though that may sound.

  • 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 you don't want to break them.

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  • The two halves of the case won't want to be separated at first. That's because the battery contact springs are in the way.

  • Push the battery contact springs down through their respective holes in the case. Now the case will come away freely.

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  • Remove the cover to the battery compartment.

  • Remove the battery. You'll need both cover and battery out of the way for the next step.

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The part of the casing which houses the USB Jack and headphone jack is the final part which will have to pried.
  • The part of the casing which houses the USB Jack and headphone jack is the final part which will have to pried.

  • Two clips are the only thing holding this portion of the casings together.

  • Once again, gently pry the two outer casings apart by pulling them away from one another.

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

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Locate microphone on motherboard.
  • Locate microphone on motherboard.

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Find where microphone is connected to motherboard via solder.
  • Find where microphone is connected to motherboard via solder.

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Use the soldering iron to liquefy the solder connecting the microphone to the motherboard. Use the soldering iron to liquefy the solder connecting the microphone to the motherboard.
  • Use the soldering iron to liquefy the solder connecting the microphone to the motherboard.

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The solder and soldering iron will be very hot at this time. Do not touch unless wearing protective gloves as you will be burnt.
  • The solder and soldering iron will be very hot at this time. Do not touch unless wearing protective gloves as you will be burnt.

  • When not in use, be sure to always elevate the hot end of the soldering iron on a metal stand to prevent incidental burns.

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Remove the faulty microphone as you heat and melt the soldering points. Remove the faulty microphone as you heat and melt the soldering points.
  • Remove the faulty microphone as you heat and melt the soldering points.

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Replace the faulty microphone with a new one in working order.
  • Replace the faulty microphone with a new one in working order.

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With the new microphone in place, use the soldering iron and solder to create a stable connection between the motherboard and microphone. Give the new solder time to cool and harden.
  • With the new microphone in place, use the soldering iron and solder to create a stable connection between the motherboard and microphone.

  • Give the new solder time to cool and harden.

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Conclusion

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

James Thorne

Member since: 11/05/2013

625 Reputation

6 Guides authored

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UMass Dartmouth, Team 1-8, Shastany Fall 2013 Member of UMass Dartmouth, Team 1-8, Shastany Fall 2013

UMASSD-SHASTANY-F13S1G8

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