hi.
problem is intermietent.
by power red is on and off and it change to blue and tv works but somtimes it change to blue but p.s dont work no 24v n0 12 v no 16.5v the pin power on is ok.THE STBY 5.2V ALSO OK.
the power supply is EAY4050500.I CHANGED ALL CAPI IN PRIMERY BUT NO JOY.
BY SOME GOOGELING ITS THE SAME P.S THAT THE LG 37LG5000 IS USED.
YHE CHASIS IS LP81A .ANY SCEMATIC OR IADIA?.
WILLYAM1
