Judson, there are plenty of components that could fail. With a power surge, check the caps and the mosfets. check for anything that looks unusual, like charred or leaky, or domed caps. There is really not one particular component that fails, but power surges can have a cascading effect. You can now find the service document for the TV at the bottom of the [http://www.ifixit.com/Device/Philips_22PFL3504D|device page,] It might help you narrowing the trouble shooting down. Hope this helps, good luck.