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Garmin nüvi 3590 LMT Circuit Board Replacement

Garmin nüvi 3590 LMT Circuit Board Replacement

Kayla Katz

Kayla Katz and 4 other contributors

Last updated on May 7, 2024

15 - 30 minutes
Moderate

Introduction

Go to step 1

The circuit board and its components are delicate, so use caution when disassembeling.

What you need

Tools

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  1. Garmin nüvi 3590 LMT Circuit Board Replacement, Battery: step 1, image 1 of 1

    • Turn the device off by pressing and holding the power button on the top left of the device.

    Edit

  2. Garmin nüvi 3590 LMT Circuit Board Replacement: step 2, image 1 of 1

    • Use the plastic opening tool to separate the tabs on the black back cover of the device by leveraging the tool against the frame around the perimeter of the device.

    Edit

  3. Garmin nüvi 3590 LMT Circuit Board Replacement: step 3, image 1 of 1

    • Once all of the tabs are popped out, take the back cover off.

    • The back cover is a separate piece from the device.

    Edit

  4. Garmin nüvi 3590 LMT Circuit Board Replacement: step 4, image 1 of 2 Garmin nüvi 3590 LMT Circuit Board Replacement: step 4, image 2 of 2

    • Using the plastic spudger, carefully remove the white tab connected to the battery from the device by pulling the tab in the opposite direction from which it is connected.

    Edit

  5. Garmin nüvi 3590 LMT Circuit Board Replacement: step 5, image 1 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 5, image 2 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 5, image 3 of 3

    • Use the plastic spudger to lift the battery up and away from the device.

    • Do not puncture or bend the battery. Serious health complications could occur.

    Edit

  7. Garmin nüvi 3590 LMT Circuit Board Replacement, Circuit Board: step 6, image 1 of 2 Garmin nüvi 3590 LMT Circuit Board Replacement, Circuit Board: step 6, image 2 of 2

    • Using the T5 bit, unscrew the four 5.7mm screws in the four corners of the device.

    Edit

  8. Garmin nüvi 3590 LMT Circuit Board Replacement: step 7, image 1 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 7, image 2 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 7, image 3 of 3

    • Leverage the plastic opening tool to pop the tabs between the black screen and the metal frame around the perimeter of the device.

    • Do not forcibly separate the two pieces after the tabs have been popped as there are connections between the two pieces that could be torn.

    Edit

  9. Garmin nüvi 3590 LMT Circuit Board Replacement: step 8, image 1 of 2 Garmin nüvi 3590 LMT Circuit Board Replacement: step 8, image 2 of 2

    • Using your fingers, remove the red and black wire from the back of the screen.

    Edit

  10. Garmin nüvi 3590 LMT Circuit Board Replacement: step 9, image 1 of 2 Garmin nüvi 3590 LMT Circuit Board Replacement: step 9, image 2 of 2

    • Pull up on the smaller orange tab with your finger from the circuit board.

    Edit

  11. Garmin nüvi 3590 LMT Circuit Board Replacement: step 10, image 1 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 10, image 2 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 10, image 3 of 3
    Tool used on this step:
    Tweezers
    $4.99
    Add To Cart

    • For the larger orange connection, there is a white tab holding the connection to the circuit board.

    • Lift this tab gently with the wider tipped tweezers or the plastic spudger and remove the orange connection from the circuit board.

    Edit

  12. Garmin nüvi 3590 LMT Circuit Board Replacement: step 11, image 1 of 1

    • Locate the red and black wire connected to the logic board with the round, black, rubber disc that connects to the other half of the device. Gently pull the wire up from the logic board.

    Edit

  13. Garmin nüvi 3590 LMT Circuit Board Replacement: step 12, image 1 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 12, image 2 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 12, image 3 of 3

    • Separate the connection between the speaker and the logic board by gently pulling the wire up.

    Edit

  14. Garmin nüvi 3590 LMT Circuit Board Replacement: step 13, image 1 of 2 Garmin nüvi 3590 LMT Circuit Board Replacement: step 13, image 2 of 2

    • Using the J000 bit, unscrew the four 4.0 mm screws from the corners of the logic board.

    Edit

  15. Garmin nüvi 3590 LMT Circuit Board Replacement: step 14, image 1 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 14, image 2 of 3 Garmin nüvi 3590 LMT Circuit Board Replacement: step 14, image 3 of 3

    • Starting near the power button, leverage the spudger to pry up the logic board around the perimeter of the frame.

    Edit
Conclusion

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

One other person completed this guide.

Author

with 4 other contributors

Kayla Katz

Member since: 03/11/15

576 Reputation

2 Guides authored

Badges: 9

+6 more badges

Team

Colorado Springs, Team 4-1, Panko Spring 2015 Member of Colorado Springs, Team 4-1, Panko Spring 2015

UCCS-PANKO-S15S4G1

2 Members

5 Guides authored

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