12 volt reverse polarity - blown tv?

[Techno*no*no]

Hi,
I have a Nikkai 10" (JV-TVC 107EA) tv that I use in my campervan - it has suddenly stopped working and I discovered that one of my 12v leads was the wrong polarity would this have blown something in the tele?

Any help on this will be very much appreciated.

TIA

[jts1957]

Fuse? Or possibly the reverse-polarity protection diode shorted.
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[Techno*no*no]

Thank you jts1957, will check for a fuse and a blown diode.