Josh Corn – Garmin GPS Teardown

Garmin Nuvi 265 Teardown
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Tools I used:

Small torx screwdriver
Small phillips head screwdriver
Plastic spackle knife
Needle nose pliers

To disassemble this GPS unit, I began by trying to pry the injection molded plastic unit apart along the seams around the edge. It seemed like there was something more keeping the halves attached so I started exploring. After a couple minutes, I peeled off the sticker on the rear bottom of the unit to find 2 tiny torx screws!

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After removing the screws, I pried apart the case using a plastic spackle knife.

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I disconnected both the cables between the two halves – one goes to the LCD display and the other connects the front LED.

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There were 3 more phillips head screws on the main circuit board so I removed them to pull out the board.

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I disconnected the cable attached to the speaker and the cable attached to the battery.

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I carefully popped out the LCD display from the front bezel and removed the surrounding foam.

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The only other remaining parts to remove were the speaker and battery. I pulled the speaker off from the housing pretty easily but struggled with the battery as the adhesive was so strong it was pulling the battery apart. I decided to just leave it.

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And here are all the parts removed!

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After finishing removing all the parts, I wanted to dig a bit further into the circuit board so I pried up the metal covering the GPS unit. It involved a lot of pulling with some pliers. Then GPS cover had a long rivet that was soldered through the board so I ended up having to force that apart with some force.

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I also removed the metal covering the logic portion of the board on the other side.

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Here are all the functions of the board that I could determine.

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Overall the process wasn’t too difficult, once I first found the screws to open the unit. I thought that covering the screws with the sticker was an interesting design choice and certainly would deter some people from trying to do their own repairs on the unit. I also like the flexible circuits they used between the two halves of the unit, between the display and the main board. It makes sense to not have a rigid connection in order to easily repair the unit and allow for some relief.

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