Garmin Nuvi 42Lm Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          35 minutes

Sections

Back Cover
2 steps
Motherboard
5 steps

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Introduction

What you need

Step 1

              Back Cover

Remove the four screws on the back of the GPS using the T5 Torx screwdriver.

Remove the four screws on the back of the GPS using the T5 Torx screwdriver.

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Step 2

Pry the GPS open using a plastic opening tool.
When prying open the device, use caution to avoid damaging the motherboard.

Pry the GPS open using a plastic opening tool.

When prying open the device, use caution to avoid damaging the motherboard.

Step 3

              Motherboard

Using the T5 Torx screwdriver, remove the two screws located on the motherboard.
There are two screws - one in the back and one in the front.

Using the T5 Torx screwdriver, remove the two screws located on the motherboard.

There are two screws - one in the back and one in the front.

Step 4

Move the motherboard from from its designated location on the GPS.
Do not pull on red, green, and black cables when repositioning the motherboard.

Move the motherboard from from its designated location on the GPS.

Do not pull on red, green, and black cables when repositioning the motherboard.

Step 5

Gently unplug the red, green, and black bundled cable to remove the battery.

Gently unplug the red, green, and black bundled cable to remove the battery.

Step 6

Use blue plastic opening tool to carefully pry the battery from the GPS.
You might need to use additional force when prying because there is adhesive glue on the back of the battery.

Use blue plastic opening tool to carefully pry the battery from the GPS.

You might need to use additional force when prying because there is adhesive glue on the back of the battery.

Step 7

Using a soldering iron, desolder the black and blue wires connected to the motherboard.
Once the black and blue wires are desoldered, llift the motherboard out and away from the device.
Check out this awesome guide on how to solder and desolder connections.

Using a soldering iron, desolder the black and blue wires connected to the motherboard.

Once the black and blue wires are desoldered, llift the motherboard out and away from the device.

Check out this awesome guide on how to solder and desolder connections.

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

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Author

                                      with 2 other contributors

                    Elina Zhukov

Member since: 01/18/2017

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Team

                       Eastern Washington University, Team 2-1, Crane Winter 2017                        

                                                  Member of Eastern Washington University, Team 2-1, Crane Winter 2017 



                    EWU-CRANE-W17S2G1                     


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Introduction#

What you need#

Team#

Introduction

What you need

Team