Garmin Dezl 770LMT Motherboard Replacement

Written By: Francisco Rosado
  • Comments: 0
Garmin Dezl 770LMT Motherboard Replacement

Difficulty

Moderate

Steps

6

Time Required

10 minutes

Introduction

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    • Turn the device screen down and using the screwdriver remove all eight screws from the back plate.

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    • Place a nylon spudger in the seam between the front and back panel and carefully lift around the edge of the device.

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    • Use the spudger to pry apart the screen from all around the device.

    • Gently lift the screen so not to disconnect the ribbon attaching the screen to the motherboard.

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    • After you've removed the back cover, you will see a copper colored ribbon connected to a grey hinge.

    • Carefully remove the hinge from the cord using a spudger and the ribbon will come out.

    • The regular black nylon spudger should be used whenever possible, especially around sensitive internal components.

    • Make sure to wear an anti-static wrist strap when handling the motherboard.

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    • Using a T5 Torx screwdriver remove the eight screws attaching the motherboard to the case

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    • Carefully remove the cord connecting the battery to the motherboard, by gently lifting it straight up from the board.

    • Do not pull the cord out towards the battery. The solder joints holding the port onto the mother board may break.

    • If you want to remove the antenna and speaker you will need to desolder them from the mother board. This is not necessary to remove the mother board.

Conclusion

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

Author

Francisco Rosado

Member since: 05/10/16

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