High voltage from lightning damaged your TV. Many parts could have been damaged permanently. If the TV costs a few hundred dollars, It would probably be cheaper to buy a new TV than to get the one you got now repaired by a shop.
SOURCE: Akai LCT2716 Flat Panel TV
Mine started doing the same thing.
I turn power off (pull Plug) for a few seconds then try again.
Works OK but must perform unplug procedure each time.
SOURCE: big POP no sound no picture
if you could see light orange or green is has power is probably teh Y and Z board
SOURCE: 42edt41a hitachi plasma tv went dark sound ok
sounds like your y and z drive boards over heated and need replacing...
SOURCE: Phillips Flat TV Model 20pf4121\105 (Flashing green led)
I had exactly the same problem When the TV was switched on all I could see was a flashing green light. After cheching the TV internals and not seeing a problem including the power supply unit which looked and checked normal. Here is what I did to get M TV working again.
Disconnect it from the power supply. Hold down all the buttons simultaneously i.e. the on/off, the volume, the programme, menu buttons, all of them simultaneously and Plug it into the power supply again.
Lo and behold My TV jumped back into life after an absence of about 4 weeks.
Try it yourself exactly as above.
Best of luck.
Irishfreethinker
SOURCE: Philips Cineos flat screen TV
Sounds like an issue with the power supply board. We will have to go component by component and you will need to knowledge of using a multimeter. If you are skilled enough to do this then let me know and I will help you troubleshoot it.
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Just now that i have notice it has a 12v in DC , i have replace the original adapter with that on the PC , and i have plug it in to a 220v transformer to be sure ,, didnt realize it should be at 110v
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