Did your TV suddenly stop working and won't turn on anymore? The problem may be a blown fuse inside the TV. If you don't want to spend a costly amount of money on professional TV repairs, you can replace the blown fuse yourself at a fraction of the price. All you need to do is buy a replacement fuse, open up the TV, and replace the blown fuse yourself. This will save you loads of time and money, and it will also get your TV to function properly once again.
Unscrew and remove the screws on the back panel of your TV.
Remove the back panel of your TV to expose the internal circuitry of the TV.
Locate the blown the fuse. It is usually located on the power supply board of the TV, which is the board with the array of capacitors, resistors and heat sinks on it.
Remove the blown fuse from its holder on the circuit board.
Insert the replacement fuse securely into the fuse holder on the circuit board.
Mount the back panel on your TV and screw it back into place.
Things You'll Need
Unplug the TV and leave it unplugged for a day before starting work. This will give it time to discharge the lethal voltages that may be stored in the capacitors, reducing your chances of shock.
Ground yourself to remove static from your body. The static in your body may damage the delicate circuitry found inside of TV sets.
Look up the specific model of the fuse used in your TV. Using a different type of fuse may further damage the TV.