samsung ps42b451b2wxxu

[t1412]

hi chaps, got this samsung in it's a ps-42b451b2wxxu/bn44-00273b power supply,  red standby light flashing. 5 volt standby erratic voltages, i have taken  all transistors out of circuit and tested ok, transformer tm801s  is ticking that's were i am at the minute. any help would be great. thanks for your time

regards
shaun