Question about Tomtom GO 720 GPS Receiver
I where trying with a Paper Clip on the reset hole but with out a result, I am 84 so it is a bit hard for me, please help me
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Tom Tom 700 will not turn on.
Take a look inside your tomtom go . The photo's uploaded are of the GO and Go 300 / 500 / 700 series so yours might not look exactly the same but will be similar to these. SEE PHOTO of the IC's highlighted RED. U24 is on the same side of the circuit board as the card reader. U25 is on the same side of the board as the power socket. These are the 2 chips / IC's that will be blown if reversed supply or more than about 6 volts has been applied. The blown components are usually blown due to attaching the WRONG charger or a faulty charger. ( the tomtom cigarette lighter leads often go faulty ) These IC's are very very small ( just 3.5mm across ) and the 10 pins ( 5 on each side ) are even smaller and very close together therefore normal soldering ability will not allow a novice to replace them. Special soldering irons are needed , magnifying glass or special microscope for electronics + a steady hand and good light. Its highly unlikely that a home repair is possible. Besides that , even engineers with years of soldering experience have great difficulty replacing these components and it often takes me 30 minutes just to replace one of these IC's and I have a steady hand. Most normal electronics repair companys cannot repair this type of component as they will normally deal with bigger things. So unfortunatly, your "corner of the street" TV repair shop won't be able to fix it for ya either. As far as I know TomTom don't repair these IC's either as its too fiddly and time consuming and for them not worth the effort. Your only hope is one of the repair people offering this service on online . Try a look on ebay under "faulty tomtom" .
Posted on Sep 15, 2008
SOURCE: Tom Tom 520 Reset
thank you for using Fixya.com
click on this site you be directly connected to the manual including to solved your problem how to reset your unit geneal..
hint go to page 39 of the page GENERAL Reset guide.
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Posted on Feb 19, 2009
You may need a new internal lithium rechargeable battery.
There are are many parts available on the internet for TomTom. Ebay is a good start.
You can also google for answers on how to disassemble the unit, but there are plenty of answers on this website for the TomTom GPS.
Posted on Aug 06, 2009
TomTom is aware of a problem with this unit that is normally caused by the car charger and unit being turned on and in use when the engine is started ( causing undue interference in the supply, tomtom chargers are not, im afraid, known to posess the best regulator circuits on the market) This can lead to symptoms as in your case, or as bad as a totally dead unit ( the front light will illuminate when the on/sby button is pressed and it will only go off when the unit is reset)In all the cases ive seen tomtom has replaced the unit. Im afraid you will have to contact tomtom by phone and they will normally arrange FOC collection by a courier.
Address: TomTom Inc. 150 Baker Ave. Ext. Concord, MA 01742.
Phone: 978.287.9555 Fax: 978.287.9522
Posted on Sep 20, 2011
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