Question about Magellan Maestro 4040 GPS Receiver

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Fixable at home?

I went in and plugged the unit in and the battery was not taking a charge...critically low....then it shut down....I feel that the port is loose or broken off and now unable to plug in what so ever to charge the battery...the corp says they can't help me, just replace the unit...$$$

Anything I can do at home...?

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  • spraguehvl Mar 14, 2009

    magellan 4040 will not power up using car or plug in source

  • lgeis May 10, 2009

    Magellan 4040, approximately 16 months old, regular use. Plugging into the DC source gives about 2-3 minutes of operation, then a warning screen pops up saying that the battery is critically low...then the unit shuts off.


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I can sell you a new port or repair it for you

Posted on Jun 03, 2009

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This problem is a design flaw on all Magellan Maestro GPS from the 3100 series to the 4xxx series.  This problem can easily be fixed, but you need to be handy with a soldering iron.  
NEEDED: 1. Fine tip soldering iron, solder, soldring flux or paste.

1. Remove the four screws on the back of the unit holding the back cover to the GPS 2. Pry open but be very careful, make sure the SD card slot is empty 3. Open from the SD card slot side and then remove the cover slowly, remove the speaker cable 4. Use soldering paste or soldering flux, apply some to the leads of the yellow female DC port on the PC board 5. Heat the soldering iron to temp, and then press the solding iron against the leads of the yellow dc port and also apply some solder. 6. Do this to all four terminals of the dc port 7. Now plug in the dc power jack into the port and make sure the unit is charging...  8. Replace cover, make sure the audio and power jack is in the slot first, then close the cover and screw in the 4 screws.
Hope this helps

Posted on May 27, 2009

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It keeps shutting off. I hold down the power button to reboot and it will stay on awhile, but will shut off again. Is the unit defective?

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The following Magellan 800,860,2000,2200t,2500,3000,3050,3100,3140,4000,4040,4050 and the 6000t are known to have faulty dc connectors...if your Magellan gps is not charging or will not power up, its most likely the dc power port.

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I had this happen, my cord was unplugged, and I didn't notice till I got a low battery...then volume went down, and poof. would not restart. After some Googleing I found that under the bezel, or face around the screen, is a reset button. Recharge for a little while, press reset and it will return to normal. To remove the bezel, just pry up gently, starting right under the Garmin name.
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Unit comes on but goes off in a few seconds. Sometimes shows the "critically low battery" screen but not all of the time.

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Unit won't remain powered-up

You are absolutely correct Jim. Low Battery

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} There are three ways to charge the internal battery in your automotive GPS unit.1
  1. Use the provided vehicle power cable that came with your GPS unit. The unit will charge while powered on and using the device as well as when the GPS unit is powered off and plugged into a running vehicle. About 3 hrs for a full charge.
  2. Use an AC power adaptor. Some units come with this power cable to plug the GPS unit into a wall outlet allowing the GPS unit to take a charge. For units that do not come with this cable, one can be purchased from Garmin's online store.
  3. For most units, the final way of charging the battery is to plug the GPS into a powered on computer with a USB cable2. This method of charging will be a trickle charge and it may take longer (like a full day) than the other two options, however it will still charge the battery. A USB cable is provided with a few GPS models. For those that don't come with this cable, one can either be ordered from the online store or you can use a standard USB to mini-USB cable that fits the unit and plugs into your computer.
1 - Please note that temperature can play an effect on the charging of a device. If the battery registers a temperature of 0°C and below or 45°C and above (32°F and 113°F

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Ended up buying an original charger (expensive) and the charging went smooth.
The car charger should in any case work fine, so probably your battery is not very healthy.

Try holding your finger on the battery symbol for about 10 sec. The unit will then switch to a technical page. There you can observe the battery and charging voltage. When I plug in my computer USB-cable, I read around 4,4V and that is not sufficient for charging my battery.
When connected to the original charger, this voltage rises to about 5V which gives a nice charge. When unplugging charger, the unit displays the battery capacity. If the charging voltage is OK, but battery capacity drops quickly after you unplug charger cable, the battery is probably bad. (Of course you have to charge is for some time) I think around 4V battery voltage give 100% capacity. 3,9V gives about 90% capacity.
This will not solve your problem, but can give you an idea about what is wrong.
Good luck.

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