Question about Navman F20 GPS Receiver

2 Answers

Can I connect the wires from a car charger to the connections under the unit ?

The USB socket is totally trashed - tracks ripped from the circuit board too.
But the unit works - just no way to charge it -
I am on a very tight budget so I wondered if it was possible to connect the wires from the usb car charger to some of the connections under the unit.
Any other suggestions to charge the unit welcome - sending it for repair will be too costly I think

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  • Anonymous Nov 22, 2008

    The usb port of my Navman F20 is broken. Should I connect directly the charger to the battery ? Or if anyone has a solution, please share with me.

    Marc

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Hello,
An alternative is to use a navman P1 "hotshoe" This allows charging to be carried out through the bottom strip connector.
Available from Magicgadgetz at a cost of £20

Posted on Dec 09, 2008

You can re route the battery wires from inside to external charging device, see if that works , worked for me

Posted on Nov 05, 2008

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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.

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2. If unit wont turn on or if turns off immediately, connect to home computer using mini usb on side of gps (any usb cord that fits will do). This will charge the internal gps battery, which is discharged.
3. You will not be able to see the gps charge indicator while the usb cord is plugged into the unit. To check charge level, disconnect it, turn it on, and note the large "battery" icon.
4 Do you have a dead internal battery? If the gps holds a charge from your computer usb port, you don't.
5. If you have a dead battery, Google DIY replacement. With some soldering it can done for $15 total.
6. If you don't have a dead battery, the issue is charging from the cigarette lighter socket. Your car socket may have blown a fuse (check car manual). Your charger unit may have blown a fuse (unscrew the tip, check fuse inside). Also, some car sockets don't work when the ignition is off. Test yours.
7. There is a good chance the connection of the charger wire to the gps cradle is the problem. Fiddle with that. Replacement cradles are available for the c340 at about $25.
8. If your unit is not charging from the cradle/socket, buy a 12v usb cord. Plug into socket and into usb port of the gps. This is a workaround or alternative to buying a new cradle.
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