I'm sorry to hear about your loss.
Unfortunately, I can't offer a diagnosis without inspecting it, so I don't know which part would be most appropriate to suggest - therefore, I cannot.
I'd recommend having a technician inspect the unit. That's the best I can offer here.
i had this tv from my fathere was working perfect but now when i switch it on just keeps clicking,, as my father has passed away now i dont have my reciept but on the back of the tv is august 2009, can anybody help me regarding fixing this fault, i have been told its the power supply