Question about Garmin nuvi 350 GPS Receiver
Garmin Nuvi 350 on off switch stopped working. everything else works fine. powers up on usb or with car charger. reset button shuts it off but manual button on top does nothing at all. any ideas?
This is a common problem with the Nuvi series. The on/off switch is a surface mount switch that is mounted vertically off of the main PC board.
The problem is, that there is no support behind the switch, so when you press down the button, the solder leads of the switch are stressed and eventually break off the main PC board. This is a design flaw and could have been easily prevented by wedging a small piece of plastic between the rear of the switch and the SD card housing to give the switch support.
Also, the solder pads for the mechanical connections of the switch could have been made bigger, allowing for more surface area and more solder application.
I have repaired many of these before and I'll be posting a step-by-step procedure on how to fix this and prevent it from happening again.
I must point out however, that in order to make this repair, you will need to have skills in dissassembly and soldering.
Also, please only attempt this procedure if your unit is out of warranty.
If you would like for me to repair your GPS, please email me at KS3R at sharc dot net.
Posted on Jun 25, 2008
Thanks for the solution. As I have also fixed any number of similar problems, your solution is exactly what I suspected the problem to be. I'm quite sure that I can make the repair, but I can't see how to open the unit.
Can you advise how to open the nuvi 350? Also, you said that you intend to post the repair procedure. If you don't already have it prepared, could you give me the short course on the repair? I've learned to appreciate good advice.
Posted on Jul 02, 2008
Thank you very much for your answer
Posted on Jun 27, 2008
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Posted on Jan 02, 2017
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