Question about Garmin Nuvi 660 GPS Receiver
I can get it on by pluging it in then unplug, then hit stay on. To turn it off have to do the same procedure. In other words it works fine but the main power switch does nothing.. it is one year old and just starting doing this.
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.
Posted on Jun 19, 2008
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Posted on Jan 02, 2017
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