Question about Magellan Maestro 4040 GPS Receiver

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Opening the case to repair broken power connector

How do I open the case of this unit so that I can repair the power connector? I have taken out the four screws on the rear but there must be some hidden snaps. Please help.

Walt

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  • Rasta_34 May 21, 2008

    I took out 4 screws and it is very hard to pry the case open..

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FIRST FAIR WARNING: This take apart is best left to the repair tech's at an authorized repair facility. There are 6 snaps, two on the top, two on the bottom and one on eash side. I used a thin blunt tip letter opener and started at the top. This didn't leave any marks on the case that would tip off the repair tech's that you goobered it up inside which you will do if you proceed! Release the two at the top first, then the two on the bottom. Now release the one on the side where the power button is located. Open the case on the power button side only about 1/4 inch and slide the bottom off the top being careful not to separate the power cord and headphone connector plugs from the board that they a fastened to inside the case. SECOND FAIR WARNING: It is very easy to pull the connector plugs from the board and this will really convince the repair tech's that you ruined your $350 GPS. Good luck and don't say I didn't warn you!!!!!!

Posted on Feb 16, 2009

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Anyone know where to purchase a power connector for the unit to repair? The little pin broke off of it.

Posted on Sep 08, 2008

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Remove the 4 screws on the back
Pry the case apart starting at the top (a metal ruler or putty knife will work)

Posted on Jun 03, 2008

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Posted on Jan 02, 2017

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Red ring fix


The red ring of death is usually caused by cracked solder under the GPU (Graphics Processing Unit) -chip. This is caused by bad quality non-lead based solder paste used in the manufacturing process. Most nvidia chips of the same generation, have failed in laptops, etc.



If the unit is in warranty, the best way is to contact Microsoft support and request for a warranty service, if the unit is out of warranty, you could still try to get a warranty repair as a gesture of "Good will".



There are some ways to try and alleviate the issue. None of these are foolproof, will void your warranty and might brake the unit.



If you have an early xbox 360, they have a flaw in thermal design.

The design was slightly improved in models that include a HDMI connector, but still is inadequate and the console overheats to unacceptable temperatures, that makes the main issue worse.



I don't take any responsibility for damage, injury or death! Work on electric equipment only if you have the basic knowledge! Always remove the power cord and power adapter before opening the unit! Keep children and animals away from the opened equipment!



In my opinion, the best way to alleviate the issue: open the xbox casing and install 2x 80mm high capacity 5 Volt fans into the casing to cool the heatsinks. The casing needs new openings and modifications to make the fans fit. You need to cut and connect the original fan cables to the new fan cables. This helped on my "almost broken" legacy (non-HDMI) unit and also on my "starting to crash" newer HDMI unit.

Here's how to open the xbox 360:

How to Open an Xbox 360



One way is to block the air vents of the unit and let it run for a while, this will make the unit overheat and it might re-solder the broken contacts. CAUTION! This poses a severe fire hazard! So if you do this, do it at daytime (lights may go out if a fuse blows), have a wet towel, etc. at hand and never leave the console unattended, not even for a moment!



Another way is to open the unit and try to run it without the GPU heatsink, this might also re-melt the solder and make it work for a moment.

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most likely the power port is damaged and needs replaced.i repair those magellan gps if you need help. if i cant fix it there isno charge. wmetz@comcast.netto open the case on a 4040 you must start on the power button side, otherwise youll break the unit

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Bozena/Anton,

Thanks for using FIXYA!

Careful when opening the case because you'll have to unplug the cable from the main board prior to opening the case completely.

The RF cable could be loose inside. Carefully open the unit as to not potentially cause any further damage. The RF cable will be gray or black, it will be the only cable connected from the main (big) board to the RF (attached to the rear housing.. I believe) board. The connectors on either side of the cable have came loose. A "pad" being lifted results in a repair process that's beyond me, this meaning you can see white as opposed to silver. It may help continuity to re-flow the solder, if everything looks fine (heating up the existing solder and adding fresh solder).

Unplug the cable on both ends and plug back in to make sure the connectors on the circuit board aren't coming loose. If soldering is out of your league then I suggest finding someone that can. Let me know what happens, and careful when opening the case because you'll have to unplug the cable from the main board prior to opening the case completely.

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