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Thread: Calibration problem TT720

  1. #1
    meohmy is offline Sergeant
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    Calibration problem TT720

    I have a TT720 which has a calibration of 88 927 138 819 according to its status screen.
    No matter where I tap the screen to input a destination I only activate the 2d/3d, volume or version\satellite screen.
    This means that I cannot enter the setup menue or navigate. Doing a fresh install of navcore 9.510, It seems that I
    have to tap the screen around 12mm above the option I want in order to choose it, it does not seem to be offset to the right by much though.
    Can anyone suggest a cure for this problem please?

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    Ed1
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    Re: Calibration problem TT720


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    meohmy is offline Sergeant
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    Re: Calibration problem TT720

    I appreciate the reply although I was hoping it was just a calibration problem. Is the digitizer easy to replace and what usually causes them to fail? According to my wife I was born with 2 left hands full of thumbs,
    so will probably have to get someone to do it for me.

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    meohmy is offline Sergeant
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    Re: Calibration problem TT720

    Just looked at that link you posted and it seems that they don't post to the U.K but this one does NEW 4.3'' Touch screen digitizer for TOMTOM GO 630,730,920.XL n14644 | eBay

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    Ed1
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    Re: Calibration problem TT720

    Oh, link was given f.e. - for example , in your case I think the good idea is to ask for help "technical" friend or repairshop , I am 100% sure that any GSM-repair shops could replace a digitizer. To be more precision, there are two slightly diffirent digitizers used in TT720 (different width of the connect tape) , you have to open tomtom and look inside , f.e. compare this : Ekran dotykowy panel digitizer TomTom Go 720 11mm (3184744565) - Allegro.pl - Więcej niż aukcje. Najlepsze oferty na największej platformie handlowej. and this : Ekran dotykowy digitizer TOMTOM GO 720 730 920 930 (3173503307) - Allegro.pl - Więcej niż aukcje. Najlepsze oferty na największej platformie handlowej. .

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    Re: Calibration problem TT720

    Hi, replacing the digitizer it's very easy but doesn't resolve the problem. The solution is replacing the cordinates "88 927 138 819"
    Here is an explanation, in spanish(sorry)

    Pantalla tactil descentrada.

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