Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
No technician can do more than this, he/she can do anything except.
SOURCE: rolling picture
Try the free view and see if the box is bad, then if it still does the sane thing, I bet theres a bad connection on the driver IC board, on a connecting ribbon cable, or a bad drive ic. These are things that a user should not attempt to repai, as there are no user replaceable parts inside this set and should be serviced by a train tech. Good Luck
SOURCE: 42'' LG Plasma bought in Australia doesn't work in UK?
Find out if Australia uses a different standard of HD programming than Guernsey or not since it's not picking up any channels at all with an attenna. Does the skybox use only scart connections and that's how your small lcd is connected to it?
SOURCE: my lcd tv makes a humming noise
Try removing all cables going to the TV except the power cord. Power on the TV and press mute. If you have any unwanted noise, then you have a defective TV and since it is new, you should get an exchange. If there is no noise with the A/V cables removed, then you might have hooked the source (cable box/DVD Player) into the wrong inputs of the TV.
SOURCE: LG 42PC1RR No picture -- only sound !!
yes i have had many problems with my lg plasma. i had to replace three boards in the back of the tv. it is most probably the y sus board which has failed.
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