Introduction

A step-by-step guide to replacing the antenna in the Garmin Nuvi 680.

Flip open the antenna on the back of the device.
  • Flip open the antenna on the back of the device.

  • Remove the two screws on the antenna cover using a T5 Torx screwdriver.

    • These screws are 4.42 mm long.

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Remove the antenna cover.
  • Remove the antenna cover.

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The yellow wire is connected to the motherboard, so you cannot disconnect it until you finish opening the device.
  • The yellow wire is connected to the motherboard, so you cannot disconnect it until you finish opening the device.

  • Pull the antenna circuit board out of its case.

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Insert the pointed end of a spudger into the leftmost slit of the antenna case. Push the spudger to the right.
  • Insert the pointed end of a spudger into the leftmost slit of the antenna case.

  • Push the spudger to the right.

  • Slide the antenna case out slowly or you may lose the antenna's spring. The spring is inside the black plastic that holds the antenna case to the device.

  • Slide the antenna case out of the device.

  • Reinstallation tip: first reassemble the antenna casing (place antenna back into its plastic cover), and then re-insert the entire assembly back into the GPS body.

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Remove the two screws on the back of the outer case using a T5 Torx screwdriver.
  • Remove the two screws on the back of the outer case using a T5 Torx screwdriver.

    • These screws are 10.82 mm long.

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Gently pull apart the front and back of the device. The front and back are still connected by ribbon cables. Starting along the top, separate the front and back of the device by pushing an iPod-opening tool into the crack along each side of the case.
  • Gently pull apart the front and back of the device. The front and back are still connected by ribbon cables.

  • Starting along the top, separate the front and back of the device by pushing an iPod-opening tool into the crack along each side of the case.

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Use a spudger to disconnect the yellow antenna wire from the ZIF connector on the back of the motherboard. Remove the antenna.
  • Use a spudger to disconnect the yellow antenna wire from the ZIF connector on the back of the motherboard.

  • Remove the antenna.

The antenna ribbon cable has a latch that must be lifted first. It's a light muddy brown color. It flips up and away in the opposite direction of the ribbon cable.

ewkpates - Reply

Conclusion

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

Chris Marzano

Member since: 01/20/2011

968 Reputation

6 Guides authored

Team

Cal Poly, Team 5-22, Amido Winter 2011 Member of Cal Poly, Team 5-22, Amido Winter 2011

CPSU-AMIDO-W11S5G22

5 Members

7 Guides authored

One Comment

Where can you find the replacment antenna?

All I see is external antennas on the net.

Dennis - Reply

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