Garmin Nuvi 1390Lmt Logic Board Replacement Repair Guide

Difficulty

Moderate

Steps

7

Time Required

                          15 - 35 minutes            

Sections

1

• Logic Board
• 7 steps

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Introduction

What you need

Step 1

              Logic Board               

• Snap the plastic cover off using a plastic opening tool.

Snap the plastic cover off using a plastic opening tool.

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Step 2

• Remove the four black 11 mm T5 torx screws.

Remove the four black 11 mm T5 torx screws.

Step 3

• Pop the screen cover off with a plastic opening tool.

Pop the screen cover off with a plastic opening tool.

Step 4

• Gently pull the wire ribbon connecting the screen to the logic board from the plug.
• Be careful when unplugging the wire ribbon. It is very fragile.

Gently pull the wire ribbon connecting the screen to the logic board from the plug.

Be careful when unplugging the wire ribbon. It is very fragile.

Step 5

• Remove the two silver 5 mm T5 torx screws connecting the circuit board to the plastic casing.

Remove the two silver 5 mm T5 torx screws connecting the circuit board to the plastic casing.

Step 6

• Flip the logic board over.

Flip the logic board over.

Step 7

• Disconnect the harness between the battery and the logic board.

Disconnect the harness between the battery and the logic board.

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

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                    Trey Ulsh                     

Member since: 10/22/2015

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                       Montana Tech, Team 10-4, Shirk Fall 2015                        

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Danny - Apr 21, 2019

Reply

I need a replacement board for My Garmin Nuvi 1490LMT - where can I get one?