Question about Magellan Roadmate 760 GPS Receiver

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Overheating Hi Dan I have a 2nd hand Magellan 760 for about 6 months now, it seems to day it might be overheating and causing the screen to freeze up (presently it is windshield mounted and outside air is 86 deg)It freezes up on different screens and will not let me power off from the button I have to take power away to re-boot, The back of the unit felt hotter then usual. any hints if I am correct in my assumption and better yet any fixes?Thanks Jeff

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Re: Overheating

Another way to turn your unit off is by using two hands.. press the power button, enter and cancel at the same time... not that.. that fixes your problem.. just fyi. I haven't directly had experience with these units in high temps but if I were to have a unit that freezes up in the middle of navigating, I'd set my sights on either the software or hard-drive. So that said, is your unit completely freezing up as in there is no reaction to pressing any buttons? What about when you scroll the volume knob.. do you hear the clicking noise? Does the power off method I said above work? If any of the answers are yes, then that would exclude the main board from being your problem. As far as the heat issue, I would suggest trying a different cradle first, then I would dive into the guts of the unit looking at a small IC chip on the backside of the I/O board (the board attached to the rear housing) making sure that one of three small IC chips in a row aren't rubbing against the outer housing. Let's try not to get into this depth yet and go off your response for now.

Posted on Jun 07, 2007

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