Baby Monitor Teardown

Written By: Brady Cabe

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Member-Contributed Guide
Difficulty Easy
Steps 7
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Introduction

This hand-me-down baby monitor has a busted volume/on-off switch. Monitor only operates while pressing down on the volume dial. If you think I have the energy to hold down that dial while trying to sleep, you got another thing coming. Baby crying... gotta go.

  • Step 1
    • Here is the baby monitor in all its glory.
    • Start by turning the device speaker-side down.
    • Remove the flathead screw securing the battery cover using a flathead screwdriver.
    • Remove the battery cover after fully disengaging the screw.
  • Step 2
    • Remove the batteries from the compartment.
    • Remove the five phillips screw holding the casing together using a phillips #1 screwdriver.
    • The fifth screw is hidden beneath the battery cover, toward the center of the monitor and is recessed deep into the casing.
  • Step 3
    • CAUTION: Do not yank the casing apart!!!
    • Gently pry from the bottom and work a finger along the side and until monitor pops in half.
    • The speaker cabling is soldered to the main board and the speaker is stuck in the front casing with adhesive.
    • Lay the two halves as shown.
  • Step 4
    • Remove the two screws securing the main board.
  • Step 5
    • Pry lightly around the edge of the main board between the board and the casing to help free the board. Fingernails, a spudger, or plastic opening tools can be used for this task.
    • DO NOT TRY TO REMOVE THE MAIN BOARD COMPLETELY!!! There are soldered items that need to be dealt with. Follow along closely.
    • Gently, and I mean gently, pull up on the LED assembly to loosen the main board from the rear casing.
    • Any resistance should indicate that the board needs to be loosened from the casing, around the edges, more before proceeding.
  • Step 6
    • PROCEED WITH CAUTION!!! The antenna cable and the battery contacts are soldered onto the board.
    • Your monitor should look like this, with a small gap between the main board and the rear casing.
    • The next step will merely free the volume control dial from the casing and NOT free the main board from the casing.
    • To remove the main board from the casing, you MUST desolder the antenna cable and two battery contacts from the board.
  • Step 7
    • Create about a 30 degree angle between the rear casing and your workspace, lifting the casing by the top end. I used 3 decks of playing cards to prop up the casing from my workspace.
    • Lift the main board from the rear casing at the bottom, making sure the volume dial clears the screw retainer post. DO NOT COMPLETELY REMOVE MAIN BOARD!
    • Once free, set the main board back down on the casing.
    • You are now free to desolder any of the contacts that need repair. In my situation, I will be examining the volume dial and will not need to desolder.
    • Good luck!
Conclusion

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