TV has been working fine all along, only 3 years old this November. Quit working this past Monday. TV will not turn on either by power button or remote. I have tried unplugging the set and leaving it this way for a few days. I've tried testing a couple of times plugging the set in. Each time I plug the set in, after a few seconds it begins to make a hissing sound. No picture or sound of course. Hissing sound does not go away, wont turn off either by power button or remote. Have left set unplugged.
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That is not a good sign, the problem is in the high voltage, especially if it was a funny smell it would indicate the high voltage transformer "flyback transformer" is toast along with other parts. The set is 4 years old, and new tv's are designed to break down anywhere from 3 to 5 years, probably more cost effective to buy new.
Replace the TV. The average lifespan of direct view CRT based TVs is 8-10 years. Take a leap into the 21st century and pick out a nice flat panel LCD. Take the old RCA attach a rope to it and bring it along on your next fishing trip and use it as an anchor.
Sounds like it is probably just a fuse inside the t.v. May also have a bad diode. I would take it in for an est. if you don't feel good about replacing the fuse. Always have your t.v. unplugged when working on it.