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U have no audio and no video which tells you that it has to be something that both systems have in common - the power supply.
Locate the PS board and check for blown fuse, burnt resistors, bad or bulging caps.
The surge likely came in thru the video input to the TV from the camera. In which case the Main board should be replaced. I have repaired numerous TVs with just Main boards only and not power supplies. This is not always the case but if the input device is fried and it is connected to the TVs Main Board, which has all the video and audio inputs, then that's the bad board. I personally have a nice 46" Sony LCD hanging in my master bedroom which this happened to. I spent $90 on a main board and ended up with a nice $1800 TV in my bedroom. Sweet Action !
I hate to tell you that this happened to me last week and mine is 18 months old. after calling toshiba and going through all troubleshooting, nothing worked. they referred me to a service center near me and the repair is $466!!!!! I have lots of power outages so they can seriously damage a tv (the motherboard to be specific). Mine is the 42 inch 535U. get a surge protector for your cable and ask your electric company to install a power shield on the meter or a surge arrester.. good luck.
If you see a light on the front panel, is not the fuse but something else in the power supply circuit board or could also have damaged the main board due to the poor voltage regulation of these power supplies.