Turn the device over with its display down.
  • Turn the device over with its display down.

Remove the battery cover, pressing down on the tabs and sliding.
  • Remove the battery cover, pressing down on the tabs and sliding.

Unscrew the two (2)  #00, 10 mm screws located below the mic on the back cover.
  • Unscrew the two (2) #00, 10 mm screws located below the mic on the back cover.

There is a third screw under the warranty label with number next to the battery cover.

Vladislav Prokopcev - Reply

Carefully pry up the top end of the back cover using one finger.
  • Carefully pry up the top end of the back cover using one finger.

Remove the back plate by using a plastic removal tool to pry the back cover up around the edges.
  • Remove the back plate by using a plastic removal tool to pry the back cover up around the edges.

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De-solder the red and white leads of the microphone from their solder points.
  • De-solder the red and white leads of the microphone from their solder points.

  • Solder points are located on the blue circuit board just above the black shielding.

  • Take note of which color lead goes to which soldering point, this will come up during resoldering.

Unscrew the blue circuit board.
  • Unscrew the blue circuit board.

  • The board is held down by a single screw located at the bottom of the device, just to the left of the lowest battery terminal.

I had to unscrew this screw before I could take off the back plate.

Vladislav Prokopcev - Reply

Use the plastic removal tool to gently pry up the blue circuit board, allowing access to the microphones.
  • Use the plastic removal tool to gently pry up the blue circuit board, allowing access to the microphones.

Use a plastic removal tool to pull the microphone casing off of its post.
  • Use a plastic removal tool to pull the microphone casing off of its post.

Insert the tip of the angled tweezers into the hole in the black plastic located within the microphone case. Use the tweezers to pull the microphone out of the casing.
  • Insert the tip of the angled tweezers into the hole in the black plastic located within the microphone case. Use the tweezers to pull the microphone out of the casing.

I am stuck with this action: how do I pull the plastic insert out?

Vladislav Prokopcev - Reply

Remove the faulty microphone by pulling the leads through the black plastic insert.
  • Remove the faulty microphone by pulling the leads through the black plastic insert.

Insert the leads of the new microphone into the plastic insert and reinsert into the silver microphone casing.
  • Insert the leads of the new microphone into the plastic insert and reinsert into the silver microphone casing.

Re-attach the microphone case to the post it came off of.
  • Re-attach the microphone case to the post it came off of.

Solder the leads of the new microphones to the same spots on the blue circuit board.
  • Solder the leads of the new microphones to the same spots on the blue circuit board.

  • Ensure that each white lead is soldered to the solder point closest to each edge of its corresponding side, while each red lead is soldered to the inner point on its corresponding side.

Conclusion

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

3 other people completed this guide.

Alex

Member since: 10/28/2013

731 Reputation

5 Guides authored

Thanks for the procedure. but you did not say where to get the new microphones from. What kind of microphone should we buy and where can they be bought from.

Aalok Srivastav - Reply

What kind of microphone should we buy and where can they be bought from. I need information.

Radityo HR - Reply

Attention! There are differet versions of this Rocorder. My H1 had a 3rd screw under the SerialNo. lable, you have to remove first.

pmv2000 - Reply

Please insert in the guide some link to buy the replacement mic

Gianni Valenza - Reply

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