Stay away of Raon as surely you'll be in more trouble than having it fix. For one, LCD tvs goes by board level repairs meaning palit board, rather than component level lang. This is how they are gonna take care of pag sa service center. But then, highly qualified techs an gagawa at cgurado kang it will be fixed. Your cheap version will be a trusted neighborhood electronics repair shop who has the ability to diagnose device level on pcb. He should have the right tools though rather than a trial & error method.