Chosen Solution

hi i found a 42 inch tv by Pilot in the street, it looks fine, but when i press the power button, the screen looks like it fine, but 1 - 2 seconds later its start to fade to the center then the screen just off. but it looks like the tv computer is running. just the screen is off. can you help me

Try checking the power supply board. possibly a capacitor or two is bad. replace all the capacitors or check one at a time then replace it.