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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1 Answer

Usb connector has broken off yet again.


Hello,

We do board level repairs on the units so we can go the power jack for you. We charge $30 plus shipping. You can contact us at: tech@ccl-la.com or www.ccl-la.com

Buddy
Corporate Computer
www.ccl-la.com

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Unlikely. If the power is not getting to the main board, you can probably fix it. However, you won't be able to get parts for this unit, and there isn't really much that can be done to repair it once you hit the main board. However, if you trace the connectors that the batteries press against back, it's possible there's just a break somewhere. Open up the case and see if there's a break in continuity between the batter compartment and the main board. If there is, solder that together and you're set. If there isn't, you'll have to replace the unit.

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Nov 05, 2008 | Magellan Maestro 4040 GPS Receiver

1 Answer

GPS signal is weak or no signal


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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There are two small screws on the bottom of the case. Remove these and pry open from the bottom carefully. Note that yhe case surrounds the USB jack so take care with that side of the case when opening. The speaker is on the back part of the case and is connected to the motherboard. As you remove the back make sure to disconnect the cable before you pull far and tear the connector - it's small.

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Charge Socket


Bought a faulty F20 off EBAY with a broken USB socket.

It seems like a common failure mode.

The one I had had sheared directly of the internal board and their was no PCB track left for re soldering.

I eventually managed to repair the unit by buying a new socket and attaching fine wires which were hard wired to other parts of the PCB then using epoxy glue to refasten the socket. I would consider it a difficult and advanced repair. (Its like micro PCB surgery)

Opening the case is relatively easy. Remove the screws and then use something like a blunt table knife to gently slide between the two case halves until they part bit by bit.

Hope this is of some help.

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