Question about Garmin GPSMAP 235 Sounder GPS Receiver

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GPSMAP 235 Sounder

When I turn the unit on the screen flashes and immediately turn black.

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  • WhadaPair Aug 14, 2008

    I have the same problem and with my unit. But Garmin will not fix this item because it is discontinued.

    Any help would be greatly appreicated.

  • Dwain Haines Oct 07, 2012

    My sounder shuts off randomly

  • Anonymous Mar 27, 2014

    When i switch my GPSMAP525 on only the buttons are iluminated, but the screen remains black. After few seconds GPSMAP turn off itself.
    Is there any solution to that problem?
    Thanks.
    Damir

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Thanks
I will give it a try and let you know how it work.

Posted on Aug 25, 2008

  • WhadaPair Aug 26, 2008

    I tried it and the screen does lighten but the unit seems to just turn back off. Could it be anything with the internal battery?

    Seems like a problem booting to the start screen. anyway to make it boot?

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Some 235s had a problem with the contrast setting. When the contrast is set to full the screen turns black.

When you turn on the GPS and the screen goes black, try tapping the left arrow on the track pad a few times. You should see the screen start to lighten. If that doesn't work, tap the power key and try tapping the left arrow a few times.

Posted on Aug 19, 2008

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