Interlink VP4550 Circuit Board Replacement

  • Step 1 Case

    • Turn the phone over to where the battery compartment resides.

    • Remove the battery compartment door by pushing down on the door with your thumbs and sliding the door off of the bottom of the device.

    • Remove battery.

  • Step 2

    • Use a Phillips #0 screwdriver to remove the screw in the middle of the battery compartment.

    • Pry open the case body with the plastic opening tool. Start at the bottom of the device and work toward the top. You will hear a "click" sound as the sides open.

  • Step 3

    • There is a wire connector linking the front and the back of the device.

    • Carefully pull the wire connectors out of the white connector gauge to completely separate the front and back pieces.

  • Step 4

    • The power button may fall off when you separate the front and back of the device. This can simply be placed back when reassembling.

    • Find the lever on the right side of the back half of the device.

    • Insert the tip of the lever into the square indent on the underside of the button.

  • Step 5 Circuit Board

    • Avoid picking up the front of the device as you work so that loose parts will not shift.

    • Use a Phillips #0 head screwdriver to remove two screws; one on either side of the circuit board.

  • Step 6

    • Slide the circuit board down from the tab located underneath the top of the back half

    • The laser is attached to the circuit board and will slide out of its own housing as you slide out the circuit board.

      • Use tweezers to gently remove it if it doesn't come out.