Question about JVC Kw-Avx840 7 Double-Din Multimedia Receiver

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Jvc kw avx840 frozen on telephone screen. Press reset and everything works fine again until either detatch facia or switch off ignition.

Have checked that I have yellow wire perm live and red wire ign live. Once on telephone screen there is no way of coming off it other than to hit reset button. Please help. Thanks...

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  • 131 Answers

Sounds very strange ... I have the exact same set. Try removing the Bluetooth dongle and re installing it again and see if this helps. Is this a new install? You r ground is good right? to the frame not just a black wire from old stereo you replaced?

Posted on Apr 23, 2014

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Posted on Jan 02, 2017

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