2 questions
What did you pay for it, whats its used market value after 4 years
Honestly, unless it was a $1000++ TV ,
its not worth your time, trouble & stress trying to get a claim under the CGA . It will be a battle every step
of the way . Chances are you'd only get a % of its $ value after 4+ years
Sometimes it better to cut your loss & get on with your life, rather than battling for months with retailers & importers