i have an lg 37 inch wide screen tv, model lf66.ze.
it used to take ages to come on when plugged in, red light would then come on followed some time later by picture which with sound was then good. now will not come on at all?
Could be just a bad joint, probably, as it warms up, the connections would expand and make contact. Depens on what you are like with electronics. Personnally I would have the board out, and check all the soldered connection. BUT if no good, get someone in, or take a chance,
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Try fixfault.com to fix televisions.