HI all in forum!!please help me i have lcd philips chasis lc7.2e la,symptom is tv starts blue lamp,but on screen only white,no osd,no audio.i changed ssb board but same fault,i have suspition on t-con board please help me!!!i checked psu unit voltage evrything is ok 24v,12v,5,2v,-12v,and i am confused on one voltage is2,9V MAYBE THIS VOLTAGE MUST BE 3,3V????THANKS