For example, see http://www.consumentenbond.nl/juridisch-advies/juridische-hulp/garantie/binnen-garantietermijn/ . Start with http://www.consumentenbond.nl/juridisch-advies/
Sorry for the non-Dutchmen reading this: this is a Dutch page.
I'd find a better (more user-friendly) shop for your next purchases, be it a TV or any other electronics, and be it Samsung or any other maker (Sony, LG, Panasonic, Philips, B&O, etc).
Hope you'll manage to solve your issue.
Kees

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