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Re: CANNOT RECHARGE TOMTOM
If you have the green light lit on top of the tomtom but it won't switch on , then you have a condition commonly known as "the Green Light Syndrome". Most likely cause is blown components inside the tomtom that regulate voltage. The reason they blow is usually due to user connecting incorrect charger ( such as a 12v one for a phone ) or sometimes the tomtom charger goes faulty and instead of ouputting 5 voltas it outputs 12 volts and damages the tomtom inside. the parts are not easily repalced and require a specialist repair centre that has good experience of repairing tomtoms. You cannot repair it yourself using a normal soldering iron. Good luck.
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Piezo ignitors are very easy to replace, most have a male/female connection to the lead. Just pull the lead and unscrew the nut behind the plate and it should come off. A few will have a spade connector and these are also very easy to replace.Replacement ignitors are very cheap just make sure it is like for like swap. There a push piezo ignitors and electronic ignitors on the market.
once you've removed the four Torx screws, get your thumbnail between the silver top and the dark grey back and prise the top open by about 1/4". Then lift and ease the front out.
There are two leads holding the two pieces together (one for the battery and the other for the speaker) but these are long enough not to break and once the unit is open they are on connectors anyway. hope this helps.
First check the charger connection. If an alternative charger is available test different chargers.
If the Tomtom is starting, then try first resetting your TomTom.
To reset the TomTom follow the instructions on TomTom website, clicking here: TomTom, portable GPS car navigation systems - Factory reset . If the Nav is still freezing or is dead after reset, then there is an internal fault. In both situations the alternatives are going to a TomTom shop or calling the TomTom service number listed on manual and following the instructions given by their representatives. If the unit is completely dead, as a first thing better going to a TomTom shop and asking to test a different charger. The charger can also be tested at home using a multimeter on charger connector. Regards.
More than likely the small spaker inside has siezed up!
You can puchase a replacement (search ebay for replacement speaker tomtom) for about 10GBP.
They are easy to replace - 4 screws on back of 710, pop out main unit, and remove 4 screws holding speaker, unplug and install new one - reverse to assembly once more.
I had a strange experience in Vegas when I took my tomtom710 on vacation. the tomtom was silent in the UK - speaker dead as a doedoe, however 3-4 hours in the Vegas heat on the dash made the speaker pop back into life!
Result I thought, however on return to the UK the temp had returned to below miserable and the tomtom didn't wanna play ball anymore.
So, tested the output internally with another temp speaker, all works fine - so just ordered a replacement "original" tom tom speaker to fully fix.
I misunderstood, I thought your battery was discharging DURING the ride. Put your meter in current mode. connect one lead to the battery and one lead to your TomTom wiring while the unit is in the cradle. How much current is is drawing? Now remove the TomTom from the cradle. Is it still drawing the same amount? If not, the TomTom is drawing power even while off and that is draining your battery.
It sounds like your mini usb connector is damaged or one of the components near to it. If you're handy you
can buy a replacement and solder it in. You will need a very fine tip
soldering iron and a magnifying glass. The repair can be quite
challenging as the components are surface mounted. If it's a damaged component near the USB connector that is damaged then this wont solve the problem. I can fix it for you for a small fee if you dont want to attempt repair. I've repaired about 20 tomtom units with similar problems. I charge around £35 for this including return postage