insignia ns51p680a12

[jellentz]

I need some help my tv has no picture and I can,t see why i replaced power brd works also y, x and buffer logic and main sound,remote work if I remove all but power and logic I have good vs and va I need to know how to test to find the problem I can do what you say with a multimeter so please some help John

[dick_barton]

Re: insignia ns51p680a12

Would you like to post clear sharp photo's of your circuit board. Have you measured the voltages on the power supply connector and also at the various test points on the other boards for VS, VE, Va etc.?