Question about Tomtom GO 300 GPS Receiver

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Tomtom 300 hi ...... screen is permanently dim. Everything is there its just impossible to read properly. you can go to brightness page and its upto full light, also the day mode / night mode has no difference too. Its as though there is a bulb gone ?? Do they have such a thing ?? Please help many thanks. Simon

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Hello Simon,

Yes your'e right, the screen does have a bulb. Its reffered to as the ' backlight ' and from what you describe unfortunatly is sounds like yours has gone.
This light is somewhat integral to the screen so its more reasonable to change the whole screen rather than just the light.
There are other possible causes for the light not to be on as special circuits are employed to light up the screen. If these circuits are damaged in your device then its unlikely it will be economical to repair them.
I do hope this helps you or at least helps you to decide how to procede.
Good luck

Posted on Sep 17, 2008

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I have never had a problem and then I went to use it and the screen has a bunch of colour lines thru it and you can read some of it but not enuf to use it.


Hi, Please check the following.
  1. Either the cable that connects the screen to the main circuit board has dirty contacts.
  2. Perhaps the conenctor on the screen cable has become loose due to a jolting of the tomtom.
  3. I have seen very similar problem on tomtom's before caused due to corrupted data on the SD card. This might seem an unusual and almost impossible simptom but I have see it several times. Try reinstalling the software from a backup you made earlier .
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