Failed Opto Ic on a 24" Aiki Lcd Tv power supply this was causing loss of all voltages and causing the Psu to make a ticking noise. Replacing the Ic sorted the Tv still going strong today. Hopefully help 
https://m.youtube.com/watch?v=MGGyyi7gLO0

https://m.youtube.com/watch?v=MGGyyi7gLO0
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