Question about Navman F20 GPS Receiver

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Navman f20 navman in car charger stopped working, used a phone charger with alower output which did not breath any signs of life into it. bought a new genuine f20 in car charger and still nothing happened.

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Re: navman f20

This is because of high voltage in input AC power so u have to replace it

Posted on Nov 12, 2007

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Hi I have a navman f20 which shows a batterey with a x on the display then turns off I have allowed the unit to discharge fully when on recharge it shows the same display

The battery is defective or your charger is not working. Most likely it is the battery but the charger is a possible until checked. You may want to find a gps shop and find out if they can get a battery.You can also contact Navman and talk to support about sending it in to them for repair. The battery should be about $20 plus labour to install.

Sep 06, 2011 | Navman F20 GPS Receiver

2 Answers

I havent used my navman for a while and now it will not charge up from the cigaret lighter connection although the connector does light up

Often the ni-Cad or LiFe cells get so flat they need a special charger with high current. They just will NOT charge up any other method, it may be best if you replace the battery, you need to open up the unit to do that. There is a "Pack" inside. You can get batteries fro,m manufacturer or eBay Craig's list Google etc. However now you would also have to reinstall the software again if not lucky. There are tutorial how to do what you want on the Navman web site

Mar 13, 2010 | Navman F20 GPS Receiver

1 Answer

Navman f20 will charge fron usb port on computer but not with in car charger

If it's not the original Navman usb loader then there's a easy solution to this : With a sharp knife carefully open the usb cable : you'll see four tiny cable's with different colours . You;ll have to cut two of those four cables ; Leave the black and red cable intact.
Use some tape to fix the cut in the usb cable. Now you can use your car charger and your navman won't go into usb mode.

Dec 08, 2009 | Navman F20 GPS Receiver

1 Answer

Instructions for navman F20 sat nav

I bought the same, but managed to download the manual from navman. Try again friend.

Jun 13, 2009 | Navman F20 GPS Receiver

1 Answer

Will not charge, or turn on

Probably the plug on the navman has suffered what we call dry solder joints from inserting and pulling out the charger you need a tech to fix it. soldering is nesessary shouldnt be too expensive I fixed mine its about half an hours work if not too damaged inside

Feb 15, 2009 | Navman F20 GPS Receiver

1 Answer

Navman won!t charge from in car charger or mains adapter but will charge from garmin in car charger

Your Navman will not run in car unless the output on the charger is 1000ma or 1a. you need to buy a genuine charger, motorola phone chargers do not have the output to run the unit

Jul 22, 2008 | Navman F20 GPS Receiver

1 Answer

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.

Apr 18, 2008 | Navman F20 GPS Receiver

1 Answer

NAVMAN F20 is hung with some route displayed

try pushing the reset button underneath the unit. As for stopping it from happening again, maybe check that you have the latest software version.

Mar 30, 2008 | Navman F20 GPS Receiver

1 Answer

Battery Charging Navman S90i

The problem is that most of the chargers have the output of 5V/0.5A. The charger for NAVMAN (C30 in my case) has 5V/1A. And that is causing the trouble. The GPS is undercharged and is switching off itself. Buy one which specify the output power: 5V/1A. Hope I solved your problem

Feb 04, 2008 | Navman F20 GPS Receiver

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