Samsung LED TV 有power燈但冇聲冇畫

部電視睇睇吓突然息咗機再着唔番,個Power燈平時stand by mode係長着紅燈,而家變咗好慢咁斬斬吓,請問各位c-hing知唔知係乜野問題?會唔會係供電組件燒電容?