I am well aware of this, back in the seventies I did a little TV repair and the schematic's we used were sometimes generic, i.e. most big stores such as Sears had thier products made by companies like SONY. RCA, COBRA CB, I would like to know who makes VIZIO products, as I bought a 42 " about 3 YR'S ago for $1200 when the average was about $3000 and have had no problem and a great picture.