Question about Tomtom GO 300 GPS Receiver

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Tom tom 300

Hi i have tried to charge my unit with the wrong charger, it was a 9 volt charger is it beyond repair?

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If the battery fried, then you will need to replace the battery, this most likely happened if the charger was a higher amperage than the unit can handle. But in reality, anything could have broken, including capacitors on the chipset itself, which would require replacing the entire chipset inside the system. I would suggest bringing it to an electronics repair shop for a second opinion, but you may need to buy another unit.

Posted on Mar 02, 2009

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Posted on Jan 02, 2017

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Hi, leaving the unit in the cradle exposed to the sun during hot days has been known to fry the battery causing loss of battery capacity. perhaps this could be your problem. I replaced the battery in my last GPS 4 times because of this before I analysed the problem. This will most likely be outlined in your user manual too. You might also compare the output capabilities between your blackberry and tomtom charger - it is entirely possible that you are starving the unit of a decent charge if the blackberry charger is not to the same current capacity as the tomtom charger.

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She charges on USB with a PC. If USB port suplies power, not all do.
Seperate home charger for sale.
Or replace original.
I hope you talk apot that cable to cigarette lighter.
Mind you I have a Go 300

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Tom tom will not charge using 12 volt charger


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Bettery is probably gone. Replace it - or just use it plugged

Mar 28, 2008 | Tomtom GO 300 GPS Receiver

1 Answer

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leave on charge for two hours, then with the SD card out hold down the reset button at the back of unit for ten seconds and then the 'on' switch for ten seconds.

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4 Answers

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  1. First , try a re-set through the 'reset' hole underneath the tomtom. 1 quick short press is all thats required. Unlike others suggest , you do not need to hold it in for anything longer than half a second. You should feel the switch 'click' as its a tactile switch. Don't press too hard as you can damage the switch and cause it to lock ON. Once pressed , try turning the tomtom on as normal. Sometimes a tomtom battery can drop below its normal "shelf" voltage ( normal is about 3.8 volts ). A tomtom charger has a protection circuit inside to stop or slow the current it gives out if there is a short. If your battery HAS dropped volts TOO MUCH ( less than 3 volts ) the charger can "see" the tomtom battery as a "short" and the charger therefore shuts down and doesnt charge the battery. You could leave the charger connected and HOPE that the very small amount of current it's putting out will eventualy bring the battery up over 3 volts. Once it is up near its "shelf" voltage ( called shelf voltage as that is the voltage the battery is at 'on the shelf' ie . when its not powering anything ) the charger will begin to charge as normal....... OR ... you can gain access to the battery and charge it from a bench power supply that has voltage and current meters. Once again , once the battery voltage gets something near 3.8 volts the normal tomtom charger can be used to charge it. You caould connect another normal battery to the tomtom battery just for a few seconds ( not recommended and can be a bit dangerous ) if the normal battery is such as a PP3 9v type it should bring up the tomtom battery to over 3.8 volts in a few seconds. The tomtom can then be charged as normal. .............. It is also possible that some internal IC's ( chips ) have blown inside the tomtom and unfortunatly this would require a specialist repair centre to replace them as they are really very very small and are not a normal soldering job. Good luck. ... if this post has helped you or interested you please rate the author.

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need new batteries.

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Hi,
Press the power button for 15 seconds and your tomtom will turn on with the drum sounds yor tomtom will now reset but nothing will be deleted off it and it will now hope fully work.

Bye

Apr 27, 2007 | Tomtom GO 300 GPS Receiver

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